Report on the zoological collections made in the Indo-Pacific Ocean ...

284 COLLECTIONS FROM MELAN-ESIA.5. Alpheus edwardsii.Atlianasus ed^yardsii, Audouin, Explic. 'planches de Savigny, Descript.de rEgypte, Atlas, pi. x. tig. 1 (1809).Alpheus heterochelis, Say, Juiirn. Acad. Nut. Sci. Philad. i. p. 243(1818) ;M.-Ed^o. Hist. Nat. Crust, ii. p. 356 (1837) ; De Kay,Crustacea in Zuol. Neiu York Fauna, p. 26 (1844) ; Gibbes, Proc.Amer. Assoc. Advanc. Sci. p. 196 (1850) ; Kingslcy, Bull. U.S.Geol. and Geogr. Survey, iv. (No. 1) p. 194 (1877) ; Smith, Trans.Conn. Acad. Sci. ii. pp. 23, 39 (1869) ; LocMngton, Ann. ^ Mag.Nat. Hist. ser. 5, i. p. 475 (1878).? Alpheus armillatus, M.-Ediv. Hist. Nat. Crust, ii. p. 475 (1837).Alplieus neptuuus, triton, rhode, and amphitrite, White, List Crust.Brit. Mus. p. 74 (1847), descr. nuM.Alpheus doris, White, t. c. p. 75 (1847), descr. nulla.Alpheus avarus, De Haan (nee Fabricius), Crust, in Fauna Japonica,p. 179, pi. xlv. fig. 3 (1849), Alpheus bisincisus on plate.Alpheus edwardsii, Dana {nee Milne-Edivards), Crust, in U.S. E.r-2)lor. Exped. xiii. p. 342, pi. xxxiv. tig. 2 (1852) ? ; Heller, Sitzungsb.der Akad. Wissensch. Wieri, math.-nat. Klasse, xliv. (i.) p. 267(1862) ;Norman, Ann. Sf Mag. Nat. Hist. ser. 4, ii. p. 174 (1868) ;Miers, Cr. in Zool. ^Erebus ' and 'Terror,' p. 4, pi. iv. tig. 3 (1874),A. neptunus on plate ; Hilgendorf, Monatsb. Akad. Berlin, p. 830(1878).Alpheus edwardsii, var. leviusculus, Dana, t. c. p. 543, pi. xxxiv.tig. 3(1852).Alpheus strenuus, Dana, t. c. p. 545, pi. xxxiv. tig. 2 (1852) ;Miers,t. c. p. 5, pi. iv. tig. 2 (1874), A. doris on plate ;Monatsb. Akad,Berlin, p. 831 (1878).? Alpheus pacificus, Dana, t. c. p. 544, pi. xxxiv. fig. 5 (1852), var. ?Halopsyche lutaria, Saussure, Bev. Zool. p. 100 (1857).Alpheus kitarius, Saussure, Mem. Soc. Phys. et Hist. Nat. Geneve,xiv. p. 461, pi. iii. fig. 24 (1858) ; von Martens, Arch. f. Naturg.xxxviii. p. 139 (1872).Alpheus bisincisus {De Haan), Stimpson, Proc. Acad. Nat. Sci,Philad. p. 30 (1860) ; Miers, Proc. Zool. Soc. p. 53 (1879).Alpheus crassimanus, Heller, Reise der Novara, Crust, p. 107, pi. x.tig. 2 (1865), var. ?? Alpheus bispinosus. Streets, Proc. Acad. Nat. Sci. Philad. p. 242(1878).Alpheus edwardsii and A. strenuus, De Man, Notes from the LeydenMuseum, xxi. p. 105 (1881).As the very common and widely distributed species which is herereferred to the Alpheus ediuardsii of Audouin has been designatedby many different specific names, it may be useful to point out itsmost salient characters, more especially as Savigny's excellent figure,by which alone the species may be easily identified, is not accompaniedby any description.The rostrum is short, acute, and arisesfrom the front margin of the carapace ; on either side of it, betweenthe front and supraocular arches, a longitudinal depression extendsback on the dorsal surface of the carapace for a short distance, sothat the dorsal surface is slightly carinatcd. The second (exposed)joint of the antennules is longer than the first. The basal scale ofthe outer antennae scarcely reaches beyond the peduncle, and is