103 



A M M O N E A T A. 



Ammonites 



Orbulites 



Ammonoceratites 



turrilites 



Baculites 



DIVISION II. — MONOTHALAMOUS CEPHALOPODA. 



3850 Argonauta argo, Linn., Mediterranean. Seba. Mus. 3, t. 84, f. 5-7. 

 3852 " nitidn, Lam., East Indies. " " 3, t. 84, f. 9-12. 



3851 " tuberculosa, " Pacific. Knorr. Vergn. 6 t. 31. 



DIVISION III. — NAKED CEPHALOPODA. 



3855 Octopus vulgaris, Lam., Mediterranean. Seba. Mus. 3, t. 2, f. 1-4. 



I,e Seuer, New- York. 



Lam., Havre. Encycl. pi. 77, f. 3. 



" Seas of Europe. Pennt. Zool. B. pi. 27, no. 43. 



38G9 Sepia officinalis, Linn., Mediterranean. Seba. Mus. 3, t. 3, f. 1-4. 



