52 CATALOGUE OF CEPHALOPODA. 



Kalasno Munster, 1836, not Munster, 1842 ; D'Orb. Paleon. Franq. 



1842, Moll. Viv. etFos. i. 162. 

 Acanthoteuthis Wagner, 18-39; D' Orb. Moll Viv. et Fos. i. 407, 



1847, Desk, in Lamck. Hist. xi. 238. 

 Onychoteuthis sp. Munster^ 1837. 

 Loligo sp. RUppell, 1829. 



1. Acanthoteuthis prisca. 



Body elongate, subcylindrical. Fins terminal, angled. Shell de- 

 pressed, three-keeled, conical. 



Loligo prisons Riippell, Ahhild. und Besch. 8. t. 3. f. 1. 1829. 

 Onychoteuthis angusta Munster, Lehrb. 404. 458. 1830, 250— 



630. 1836, 252. 1837. 

 Kelaeno spinosa Munster, MS. 1836. 

 Kelaeno Ferussacii Munster, MS. 1836. 

 KelaBno sagittata Munster, MS. 1836. 

 Onychoteuthis spinosa Munster, Lehrb. 252. 1837. 

 Onychoteuthis Ferussaci Munster, Lehrb. 252. 1837. 

 Onychoteuthis sagittata Munster, Lehrb. 252. 1837. 

 Onychoteuthis subovata Munster, Lehrb. 252. 1837. 

 Onychoteuthis tricarinata Munster, Lehrb. 252. 1837. 

 Onychoteuthis lata Munster, MS. 

 Kelsno speciosa D'Orb. Paleont. Franq. i. 140. n. 35. t. 23. f. 1 — 4. 



1842. 

 Acanthoteuthis Ferussacii Munster, Beitrag. i. 104. t. 10. f. 1. 



1839 ; Chenu. Leqon. elem. H.N. 238. f. 761. 

 Acanthoteuthis Lichtensteinii Munster, i. 105. t. 10. f. 2. 1839. 

 Acanthoteuthis speciosa Munster, Beitr. i. 105. t. 9. 1839. 

 Acanthoteuthis brevis Munster, Beitr. v. t. 1. f. 3. 1842. 

 Acanthoteuthis prisca UOrb. Paleont. univ. t. 19, 20, 21. 1845, 



Paleont. Strang, t. 16, 17, 18., Moll. Viv. et Foss. i. 409. t. 28. 



Fos. Upper Oxford Clay, Lithographic stone. 



B. Cup of tentacular Arms with claw-like Hooks ; of sessile Arms 



with Rings. 



6. ONYCHOTEUTHIS. 



Body elongate, subcylindrical, smooth, acuminated behind. Mantle 

 with an elongated, narrow, prominent, longitudinal ridge, fitting 

 into a similar groove on the base of the siphuncle. Fins ter- 

 minal, very broad, together rhomboidal. — Head large, rather 

 depressed, with three or eleven longitudinal ridges, and edged 

 behind by a transverse ridge. Eyes large, lateral. Buccal mem- 

 brane extensile, seven-lobed, without cups. A brachial aquife- 



