INDEX. 277 



PAGE. 



Dactylioceras, Hyatt. Bull. Mus. Comp. ZooL, i, 95 230 



Defillippi (Octopus), Verany. Ceph. Medit., 30, t. 11, f. d, /, 1852.. Ill 



Deroceras, Hyatt. Bull. Mus, Comp. Zool., i, 81 228 



Desvigniana (Sepiola), Gervais and V. Beneden. Bull. Acad. Brux., 



v, 430, 1838. = S. Sepiola, Linn. 

 Dictyoceras, Eichwald. Leth. Ross., i, 1263, t. 48, f. 12. = Ortho- 



ceras 210 



Didymites, Mojsis. Abh. Geol. Reichs., vi 240 



Didynamus (Octopus), Raf. Precis Decouv. Somiol., 28, 1814 126 



Dinoteuthis, More. Zoologist, 4526, 1875. = POmmastrephes, d'Orb. 

 Diploceras, Conrad (non Baiter), 1844. = Endoceras. 

 Diploceras, Salter. = Tretoceras. 

 Diptychoceras, Gabb. i'al. Calif., ii, 143, 1869. = 8. G. of Ptycho- 



ceras, d'Orb . 219 



Discites, McCoy. Carb. Foss. Irel. = ?S. G. of Nautilus 216 



Discoceras, Agassiz. Hyatt, Bull. Mus. Comp. Zool.. i. 76 227 



Discoceras, Barrande. 1867 213 



Discosorus, Hall. Pal. N. Y., 1852. = ? Huronia. 

 Discoscaphites. Meek. Hayden's 2d Annual Rept. U. S. Geol. Sur- 

 vey Terr. 297. 1872. = S. G. of Scaphites, Parkinson 221 



Discus, King. Ann. Mag. N. Hist.,xiv. 274, 1844. = Nautilus L. 

 Discus. King. Meek and Worthen Proc. Pbilad. Acad., 469, 1860. 



= Trematodiscus Meek and Worthen. 

 Dispar (Argonauta) Conrad. Jour. A. N. S., Philad., 2d ser. ii, 



332, 1854. = A. Owenii. Ads. and Reeve 137 



Dispar (Rossia) Riippell (sp.). Giorn. Gab. Messina, xxvi, 1845 162 



Dorensis (Sepioteuthis), Fer. eft Orb. Ceph. Sepioteu.. t. 3. f. 3, 



1833. = S. Guinensis Quoy and Gaim. 



Dosidicus, Steenstrup. Vidensk. Meddel. Copenh.. 120, 1856 106, 175 



Dubia ( Loligopsis) , Rathke. Mem. Acad. St. Petersb. ii, 148, t. 1, f. 



16, 17, 1835. = L. guttata, Grant. 

 Dubius (Tremoctopus), Souleyet. Voy. Bonite, ii, 15, t. 1. f. 10-14, 



1852 : 131 



Dussumieri (Onychoteuthis), Orb. Ceph. Onych., t. 13, 1839 169 



Duvaucelii (Loligo), Fer. et Orb. Ceph. Calmars, t. 14. t. 20, f. 6- 



16,1839 144 



x (Architeuthis), Steenstrup. Spolia Atlantica, t. 3, 4, 1857. = 

 A. Titan, Steenstrup 76, 77, 186 



17<-U1 



Eblanae (Ommastrephes), Ball. Proc. Roy. Irish Acad., 1939. = O. 



sagittatus Lam. 

 Echioceras. Bayle. Jour, de Conchyl. 3d ser.. xix, 34, 1879. == 



Ophioceras, Hyatt. 

 Eglais (Philonexis), Orb. Voy. Amer. Merid., 20, t. 1, f. 14, 18, 



1835. = Cranchia scabra, Leach. 



Eledone, Leach. Zool. Misc., iii, 137, 1817 104, 128 



Elegans (Sepia), Blainville. Verany, Ceph. Medit., t. 26, f. a-c. = 



S. Orbignyana, Fer. 

 Elegans (Sepia). Orb. Tabl. Meth. Seiches, t. 8 f. 1-5, 1826. = S. 



ru pell aria Orb. 

 Elegaus (Thysanoteuthis), Troschel. Archiv. fur Naturg., i, 74, t. 



4, f. 10. 11, 1857 167 



Ellipsoptera (Loligopsis), Adams and Reeve. Zool. Samarang, 2, t. 



1, f. 1, 1850 163 



Elongata (Sepia), Fer. et Orb. Ceph. Seiches, t. 24, f. 7-10, 1839. . . 195 

 Ernmakina (Loligo), Gray. B. M. Cat., 71, 1849 143 





