Biology_of_Mustelids_Vol_1.pdf

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78. Ushakov, V.E. 1930. from the life of the stoat. Okhotnik (Moskva) (1). Yurgenson, P.8. 1931. The stoat and weasel in the north. Sovetskii Sever (2). Yurgenson, P.8. 1932. "Gornostai" (The stoat). Vneshtorgizdat, Moscow- Leningrad. Yurgenson, P.B. 1933. Variation in the skull of the stoat. Zool.Zh. 11 (1). Yurgenson, P.8. 1936. stoats of the Far-Eastern Territory. Byull. Moskovsk. Obshch.Ispyt,Pririody, otd.Biol. !2-(3). Zharkov, I.V. 1941. New methods of counting stoats. Nauchno-Metod.Zap.Izd. GI.Upravl. po Zapovedn. (Moskva) 8. Zverev, M.D. 1931. Meterial on the biology and economic importance of the polecat and other small carnivores of the family Mustelidae in Siberia. Trud.po Zashch.Rast.Sibiri (Novosibirsk) ~ (8). Note re p. 57 If the real sex ratio is 1.1, and 1st year stoats comprise 60% of the population, in every hundred stoats there will be 30 young males, 30 young females, 20 adult males and 20 adult females. Young males are the only animals which do not take part in the rut immediately after the breeding season: therefore the relative proportions of breeding animals will be males 20, females 50 - Ed.
79. SEXUAL DIMORPHISM IN FEEDING AS AN ECOLOGICAL ADAPTATION OF A SPECIES (0 polovom dimorfizme v pitanii kak ekologicheskoi adaptatsii vida.) by P.8. Yurgenson Byull. Mosk. Obshch. Isp. Prirody (Otd. BioI.) 1947 52 (6) ; 33-35. It is generally known that most species of the Mustelidae exhibit significant sexual dimorphism in body dimensions and therefore in the absolute development of the musculature. The total body weight of males of the Trans-Baikal Siberian polecat Putorius eversmani michnoi Katsch. ranges from 550 to 1150 g (mean 811.7) and of females from 405 to 745 (mean 584.9): in a series of 10 specimens of each sex examined, the weight of the skeletal-muscular system in males averages 694.1 g (442-752) and~in females 393.1 (286-510), i.e. 1.73 9 per 1 cm of body length in males and 1.08 9 in females. The development of the musculature of the girdle of the forelimbs, neck and [head], especially the temporal muscle (musculus temporalis) and to a lesser extent the masseter muscle (~. masseter - which is better developed in rodents), is of great importance in the catching, killing, dissecting and eating of prey by small predators. Table 1 shows data on the relative weight of these muscles and groups of muscles, calculated as thousandths of the weight of the skeletal-muscular system. (a) (a) Presumably the author is still talking about Siberian polecats - Ed.
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BIOLOGY " OF MUSTELIDS SOME SOVIET
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2 12. L.S. Ryabov: HeKoTopRe Bospac
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at 4 Bart IV Bathologr Page 14. N.P
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\ I 6 Quotations in the text to a n
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8. the regions inhabited by the nor
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10. larger and longer-tailed muthwa
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12. putgriue (ArctoQale) pygmaeus,
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14. the weasels from these regions.
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16. Sub-species: 1 • Mustela niva
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18. the Caucasus. In 1911, Satunin
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20. (M.10.3), the postorbital width
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orbital constriction is 1.5-7.8 mm
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24. 14.0-16.8 mm (M. 15.1) in the f
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the length of the tail 37-60 mm (M.
Page 30 and 31: 28. K A 1907 Mammals of the North-E
Page 32 and 33: 30. \ I, THE VALIDITY OF BERGMAN'S
Page 34 and 35: 32. the error in a~empting to find
Page 36 and 37: 34. Table 2. Intraspecific variatio
Page 38 and 39: 36. (4) In the desert regions of Ce
Page 40 and 41: 38. 9. Naumov, N.P. 1955. Ekologiya
Page 42 and 43: 40. index Z, (e) equal to 18.1 per
Page 44 and 45: AGE VARIATION G.D. Dul'keit (loc.ci
Page 46 and 47: ~-------- -- TABLE 1. Sarial No. 1
Page 48 and 49: 46. TABLE 2. Measurements af Female
Page 50 and 51: 48. The ermine and, in particuler,
Page 52 and 53: 50. the formula were as follows : I
Page 54 and 55: 52. is also a small increase with a
Page 56 and 57: 54. REfERENCES 1. Ognev~ 5.1. 1929.
Page 58 and 59: 56. differences due to sex and age
Page 60 and 61: 58. associated by Teplov with the f
Page 62 and 63: 60. transgressed by one sex or the
Page 64 and 65: 62. Table 2 (continued) No. Dimensi
Page 66 and 67: 64. Table 3 ( continuad) ND. Dimens
Page 68 and 69: --------------- 66· TABLE 5. Diffe
Page 70 and 71: 68. The teble and figures show that
Page 72 and 73: 70. bullae, height of the foramen o
Page 74 and 75: 72. TABLE 7. Sexual dimorphism of a
Page 76 and 77: 74. narrower and lower in the facia
Page 78 and 79: 76. REFERENCES Aspisov, 0.1., and P
Page 82 and 83: -------------------~------------ 80
Page 84 and 85: 82. The relative weight of the musc
Page 86 and 87: 84. A CONTRIBUTION TO THE ECOLOGY O
Page 88 and 89: $ 86. Diagnosis The winter coats of
Page 90 and 91: 88. Numbers Trappers can not make a
Page 92 and 93: ~. show this relationship: but repl
Page 94 and 95: 92. Voles (Clethrionomys, Microtus)
Page 96 and 97: spruces, where they were vulnerable
Page 98 and 99: 96. diet of Mustela nivalis from ot
Page 100 and 101: 98. THE PROBLEM OF SEX RATIO IN ERM
Page 102 and 103: 100. commercial seasons): (1) Aktuy
Page 104 and 105: 102. The excess of males over femal
Page 106 and 107: 104. INFLUENCE OF TEMPERATURE ON TH
Page 108 and 109: 1~. Observations of ermine trails e
Page 110 and 111: 108· DATA ON THE BIOLOGY or THE ER
Page 112 and 113: TABLE 1. Data on food of ermine Mat
Page 114 and 115: I Ii I II. Reproduction Indications
Page 116 and 117: 114. Furthe~on 19.7.36, a male ermi
Page 118 and 119: 116. TABLE 3. Sex ratio of ermine.
Page 120 and 121: 118. (a) STOATS AND WEASELS AND THE
Page 122 and 123: 120. \ I 1 The results show that ea
Page 124 and 125: 122. @ o Permanent sleeping quarter
Page 126 and 127: 124· It is interesting to compare
Page 128 and 129: 126. they can run absolutely incred
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128. in the woods, in cultivated la
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130. Fig.8 The prints of stoats and
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AGE DETERMINATION AND AGE STRUCTURE
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(3) 134· the condylobasal length -
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136. the ratio of the interoribtal
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Table 1. Measurements of skulls of
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140. Table 3. Measurements of Sagit
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142. Comparison of the results of t
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144. REFERENCES 1. Paramonov, A.A.
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146. dimensions increase rapidly.
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148. pine martens exhibit all these
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150. and 14.380 g); was 0.18 g/mm;
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152. one molar were still small mi
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palatinum are also retained. In yea
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ange is 3.0 to 4.0 mm. The sagittal
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158. ANALYSIS OF THE AGE STRUCTURE
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When my data were analysed, using t
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162. In winter there is a substant
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, 164 Large variations in age rati
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p 166. animals changes little, the
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168. REFERENCES Grakov, V••N 19
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170. EFFECT OF HELMINTH INVASIONS
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172. Table 2. Species and distribu
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174. + denotes the presence of a p
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176. brain. In some individuals we
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• 178. is the final and evidently
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180. The numbers of "mice" in the
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182. undertaken, to determine the
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184. Autopsy and bacteriological ex
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186. In all four dead ermines auto
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188. CHARACTERISTICS AND CAUSES OF
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190. supplies of ermine became mor
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Table 2. Food of the ermine in Nort
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194· I n J. '" ,I ' , C1l '\ ,'\
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196. In the fur harvest in Nov~sib
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198. species were recorded in 1930-
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200. in the Bashkir ASSR. In Kazak
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202. Of the parasitic diseases, skr
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204. raccoon to become acclimatised
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Table 4. 206. Results of fox-track
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-------------~ ------- 208. Adult
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210. not now always the deciding fa
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212. Belyshev, E.F. 1934. (Migratio
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214. , Naumov, N.P. 1934. (Biology
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216. INfECTION o~ THE PINE MARTEN (
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218. the physiology of the host, d
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220. less infected than males (by
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222. Table 4. Filaroides infection
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224. winter; the mean intensity of
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226. Lavrov, N.P. 1944. The role o
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228. bronchi. The posterior end of
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2;0. Experimental infestation of th
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232. collected from the same marsh
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234 mature stage in the polecat las
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of the frontal sinuses. By active m
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238. We used Berman's method to inv
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240. Subsequent experiments establ
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242. Bibliography of other transla
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244. (3) Available from Elton Libr
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246. NASILOV, S.B. 1972. [Feeding o
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(90 20 40 ._"" \:;)'./ J ----J ( 1,
Page 252 and 253:
250. p.248 Key to lVJaps 1 Norway
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252. 121 Semipalatinsk 122 Altai
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254. Number Place Co-ordinates Pag
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Number on map 10 141 46 79 70
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258. Number Place Co-ordinates on
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260. Subject Index Activity, 57' 94
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262. Surplus kills, 93, 111, 128 T
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Mice, 91-92, 109, 121, 127, 191-193
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266. Molluscs, 174, 217 Ag£iolim
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