Translation 2816

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18 . are minutely lobulate on the ventral edge, with one pyrenoid each. Flagella.are almost aslong as the body. Cells are very slightly compressed. Measurements: 15-27 x 12-14 10-12 M thick Cr mrenoidifera 23. 2..Cells are elliptical. Gullet extends almost to the posterior end of the cell. flagella are one half to two thirds the • length of the'body. Pyrenoid central. Cells are lightly compressed. Measurements: 21-24 x 10-12 p Cr. anomala 24. (4g): IL Cell color rufous. Body is ovato-cylindraceous and barely, or slightly, laterally coMpressed. Two chromatophores; the pyrenoid is rather large, oval, located on the dorsal side of the cell. Measurements: 21-25 x 9-11 M ; 7-10 M thick. . . Cr. rufescens 25. III. Cell color almost blackish brown. Body is broadly ovoid, chromatophore with large, irregular lobes, and the pyrenoid approximately central. Measurements: 14.2-9.8 1.4 . Cr. lobata 26.
19 A. Cells laterally compressed v with anterior emargination (70) (in profile). 1. Cells are oblone,cylindricar, basally narrowed and rounded, occasionally recurved. . Ch. Paramaecium 1. 11. Cells are obovoid, not basally narrowed. Posterior 'margin is broadly rounded. . . •- . Ch. oblong 2. B. Cells are almost circular in cross section; in profile, uniformly rounded in front. .Cells are obovoid, the base tapering to form a.corniform aduncate apex. Ch. acuta 3. Two genera: (75) 1. Groove is distinct, gullet absent; stigma is present; cells are slightly compressed laterally, and appear - broadly 'ovoid in optic cross sections • Protochrysis II. Groove is faintly indicated, sinking to form a giallet . alone the median line. Lateral compression iS usually quite pronounced. In optic cross sections,. the cell , apPears narrowly ovoià * Sennia
Page 1 and 2: w Es FISHERIES RESEARCH BOARD OF CA
Page 3 and 4: s C+'EPARTMEKT 0^•=i (1E:SEGRE-TA
Page 5 and 6: 1 IL * 3 Family IV. Katablepharidac
Page 7 and 8: 5% 5. Cells are cylindrical to cyli
Page 9 and 10: 7 (Possiblyalso the forms under B,
Page 11 and 12: 1 ,` • •• a.- 9 are usually o
Page 13 and 14: 11 rounded, or it may be rounded an
Page 15 and 16: 13 nose-like nrotrusion. Cells are
Page 17 and 18: 2. Posterior end truncated, usualIy
Page 19: 17 • structure. There are one.or
Page 23 and 24: 21 2b. Cells obovoid to pyriform, b
Page 25 and 26: 24 consists of dissimilar polygonal
Page 27 and 28: 26 B. Cells are larger: length, 18-
Page 29 and 30: 28 larger than the hypovalve. Stigm
Page 31 and 32: 30 The epivalve and the hypovalve a
Page 33 and 34: 32 flattened dorsiventrally. Nieasu
Page 35 and 36: 34. 1"Longitudina1 groove carinate.
Page 37 and 38: 36 broadly oval with slight indenta
Page 39 and 40: 38 2. Cells have the shape of a tru
Page 41 and 42: B. Posterior end not rounded (or ro
Page 43 and 44: 42 B. Coverings (shells) represent
Page 45 and 46: 44 I. Epivalve with 16 plates (8 pr
Page 47 and 48: 46 2. Valves not both the same size
Page 49 and 50: ,a • 48' 2. Cells are oval to sph
Page 51 and 52: 50 1. Cells are ovoid to almost sph
Page 53 and 54: 52 1. Cell outline is pentangular,
Page 55 and 56: 54 Key to the identification of the
Page 57 and 58: 56 2. Divarication of postequatoria
Page 59 and 60: 58 1. Terminal spines are relativel
Page 61: 60 (b) Cysts are ellipsoidal. Autos

Translation 2816

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