96 



Proc. . . , , et Ztschr. f. Mal. 176; 

 1 862 Consp. 48 ; Pneum. Mon. 306, 

 g. Cyclostomaceorum : Cycl. hiero- 

 glyphica Fer. — Synon. Hydro- 

 cena (max. part.) Pfr. olim. Realia 

 sp. Gray. 



Oncaea Gist. 1848 Natg. Thierr 

 168. =: Achatina. 



Oiicliidella Gray 1860 Fig. IV. 



117, g. Onchidiadarum : Onchi- 



dium nigricans Q. , etc. 

 Oncliidoriis Blainv. 1816 Nouv. 



Bull. soc philom. 97. = Onchi- 



doris Blv. 

 Oncoceras Hall 1817 Pal. New- 



York I., gen. Cephalopodorum. = 



Gomphocei'as Sow. 



— Oniscia Sow. — Reeve 1849 



Conch. icon., Monogr. — St/non 



adde : Hystrix Humphr. Ersina, 



Sconsia et Morum Gray. = Lam- 



bidium Link. 

 Onlscia Gray 1847 Zool. Proc. 137, 



g. Cassidinorum magis restrictum: 



Oniscia canccllata 8ow. 

 Oniiliociiiton Gcay 1847 Zool. 



Proc. 65. 6>^, i. q Onythochiton. 



— OnustliS HuMPHR. — Gray 1*^47 



Zool. Proc 158, g. restrictum : 

 Trochus Indicus Chemn. Morch 

 1852 in Forhandl. vid de skand. 

 Naturf. VI. Mote i Stockh. 1861, 

 de anat. 



— [Onycliia Elv. IS^^aDict. XXVH. 



137.] Onykia Les 

 Onycllia Gray 1849 Ceph. Antep. 

 46. 56, g. Onychoteuthidarum: 

 Loligio cardioptera Peron. 



— Onycllites Agric. 1543 de nat. 



foss. lib. V. cap. 6. (tion Lang. 

 1. c.) 

 Onyclioteuthidae Gray 1847 

 Zool. Proc. 206, fam. Decapodo- 



rum : Onychoteuthis , Enoploteu- 

 this, Belemnites, Belemniteuthis. 

 Onydioteiitliidae Gray 1849 



Ceph. Antep. 36. 45, fam. Chon- 

 drophororum: 1. Enoploteuthis, 

 Ancistrochcirus , Abralia, Octopo- 

 doteuthis, Acantlioteutliis. 2. Ony- 

 choteuthis , Ancistroteuthis , Ony- 

 chia. 3. Ommastrephes. 



Ony^eia D'Orb. 1837 Moll. Can. 88, 

 g. Cassidarum. = Oniscia Sow. 



Onytliocliiton Gray 1847 Zool. 

 Proc. 169, gen. Chitonidarum : 

 Ch. undulatus Q. = Onithochi- 

 ton Gr. 



Opeas Alb. 1850 Hel. 175, sect. 

 Bulimi: B. subula Pfr. 



— Operciilatae Wiegm. — Gray 



1850 Fig. IV. 64. = Phanero- 

 pneumona Gray. 

 0|Berciilatiini Linn. 1753 Mus. 

 Tessin. 116, g Concharum. — 

 MoRCH 1852 Cat. Yold. 137, g. 

 Pleurobranchidarum. = Umbrella 

 Lamck. 



OplliliteS ROULL. DU ROQUAN 1844 



BuII. soc geol. de Fr. I.- 198. 

 (Bronn Nom. pal.) = Caprina 

 DOrb. 

 Opliiogyra Alb. 1860 Hel. 91, 

 sect. Helicis. = Polygyratia Gray. 



— Opliioderniis Ag. 1846, ncc 



1837 I. c. 



— Opliis Grav. = Opis Defr. 



— Opis Defr. 1821 Tabl. foss. 108, 



g. Trigoneorum. 

 Opisoplitlialnia Pfeiff. 1852 



Mon. Pneum. 3 , subordo Pneu- 



monopomorum. Fam. unica : Aci- 



culacea. 

 [Opistliobrancliia] Opistobran- 



ches Milne-Edvv. 1848 Ann. sc. 



uat. IX. 107, Gasteropodorum 



brariohiferorum ordo, Cuvieri Nu- 



