261 



Nyctipao acuta, 19 17, pi. i., p. 233. 

 Nyctipithecus trivirgatus, 1-914, fig*- 6, 



p. 899. 

 Nythosaurus browni, 191 2, pi. xciii., 



p. 859. 

 larvatus, 1911, %. 170, p. 899. 



Ochetosoma formosum, 1 9 1 1 . pi. xxviii., 



p. 677. 

 Ochlerotatus laurei, 1920, figs. 1-3, 



pp. 625-627. 

 Odobamus rosmarus, 1916, fig. 26, p. 232. 

 Odocoileus, 19 12, fig. 110, p. 778. 



sp., 1 9 12, fig. 112, p. 782. 



Odontestra avitta, 1917, pi. i., p. 233. 

 Odontoretha featheri, 1916, pi. i., p. 91. 

 (Edicnemus scolopax, 1 9 1 1 , fig. 25, p. 76. 

 (Edicodia melanographa, 19 16, pi. i., 



p. 91. 



strigipennis, 191 6, pi. i., p. 91. 



(Enus nausiphanes, 1913. pi. liv., p. 339. 

 Oides biplagiata, 1 9 1 2, pi. xlviii., p. 358. 

 Oithona attenuata, 191 3, pi. xxx., p. 181. 



decipiens, 191 3, pi. xxviii., p. 181. 



fallax, 191 3, pis. xxvii., xxviii., 



p. 181. 



oculata, 1 9 1 3 , pis. xxx.,xxxi., p. 181 . 



simplex, 191 3, pis. xxix., xxx., 



p. 181. 



vivida, 191 3, pi. xxvii., p. 181. 



Okapia johnstoni, 191 7, figs. 1, 2, 4, 6, 



7, 10, 12, 14-23, pp. 188, 189, 



191-193, 195, 197, 199, 200, 



202, 203, 205-207. 

 Oligodon hamptoni, 191 8, fig 1 . 1, p. 9. 

 Oligonychus quercinus, 1920, figs. 1, 5, 



pp. 51, 59. 



simplex, 1920, figs. 1, 5, pp. 51, 59. 



ulmi, 1920, figs. 1, 5, pp. 51, 59. 



ununguis, 1920, figs. 1, 5, pp. 51, 



59. 

 Olios hermitis, 19 14, pi. ii., p. 69. 

 Ommatobrepims singularis, 19 14, pi. i., 



p. 139. 

 Omphisa variegata, 1912, pi. lxviii., 



p. 546. 

 Oncocypris pustulosa, 19 16, pi. iii., 



p. 333. 



Oncorhynchus gorbuscha, 19 1 3, fig. 116 



p. 603. 

 keta, 191 3, fig. 117, p. 605. 



kisutch, 1913, figs. 112-115, 



pp. 599-602. 

 nerka, 1 9 1 3 , figs. 103-108, pp. 586, 



588, 590, 592, 593. 

 tschawytscha, 191 3, figs. 95, 96, 



102, 109-111, pp. 574, 575, 585, 



595, 597, 598. 

 Oochoristica sp., 191 1, figs. 148-150, 



pp. 627,628, 633; 1913, fig. 149, 



p. 875; 1914, fig. 4, p. 270. 

 marmosae, 19 14, figs. 4-8, pp. 270, 



275-278. 

 Opharus ochracea, 19 17, pi. i., p. 259. 

 Ophidotoenia naiae, 19 13, figs. 8-10, 



pp. 28, 30, 32. 

 russelli, 1913, figs. 35-, 36, pp. 163, 



165. 

 Ophiopsis, 1913, fig. 16, p. 83. 

 Opisthioglyphe adulescens, 19 14, pi. i., 



p. 139. 

 Opisthogenes interrogate vus, I9i4,pl.ii., 



p. 139. 

 Opomyza germinationis, 19 19, fig. 31, 



p. 57. 

 Orcella brevirostris, 191 6, fig. 2, 



p. 65. 

 Oreotragus saltator porteusi, 191 1, 



fig. 192, p. 959. 

 Ornithomyia avicularia, 191 9, fig. 43, 



p. 65. 

 Ornithorhynchus anatinus, 191 6, fig. 2, 



p. 189. 

 Ornithosuclms taylori, 191 3, pi. lxxvii., 



p. 619. 



woodwardi, 191 3, pis. lxxvii., 



lxxix., p. 619. 



Orobophana pachystoma ponsonbyi, 



191 1, pi. xli., p. 759. 

 ponsonbyi, 191 1, pis. xxxii., xxxv., 



xxxvii.,p. 759. 

 Orogomphus dyak, 1 9 14, pi. i., p. 51. 



splendidus, 19 14, pi. i., p. 51. 



Ortalis ruficauda, 191 1, fig. 12, p. 56. 

 Orycteropus capensis, 1916, fig. 10, 



p. 200 ; fig. 1, p. 743. 



