ONYCHOTEl]THtD.aE : ANCISTROCHEIRUS. 49 



** Body unknown. 



5. Enoploteuthis unguiculata. 



Sessile arms with hooks on the whole of its length. 



Large Sepia Banks, Voy. Cook, 1st Voy. ii. 301. 



Sepia unguiculata Molina, Saggio sul Stor. Nat. del Chili, 199. 



1789; Gmel. Syst. Nat. edit. 13. p. 3150.; Turton, Syst. Nat. iv. 



119.; Bosc, Buffon, de Deterv. v. 47. t. 1.; Leach, Tuckeys 



Exped. Congo, 411. note. 

 Le Poulpe unguicule Montfort, Buff, de Sonnin. Moll. iii. 99. 



1802. 

 Loligo unguiculata Blainv. Diet. So. Nat. xxvii. 140. 1823, Journ. 



de Phys. xcvii. 128.; Feruss. UOrh. Tab. Meth. Ceph. 61., 



Ann. des So. Nat. iv. 

 Onychoteuthis Molinae Lichtenst. Isis, 1818, p. 1592. n. 2. 

 Enoploteuthis Molinae UOrh. Moll. Viv. et Fos. i. 402. 



Hah. Pacific Ocean. A sessile arm in Mus. Col. Surg. London. 



*** Fossil Species. 



6. Enoploteuthis subsagittata. 



Loligo subsagittata Munster, Taschenb. 1836, 582. 1839, t. 375., 



Beitrag. Petref. 107. t. 10. f. 3. 

 Enoploteuthis subsagittata UOrh. Paleont. univ. t. 19., Paleont. 



etrang. t. 13., Moll. Viv. et Fos. i. 399. 



Hah. Upper Oxford. Lithographic stone. 



2. ANCISTROCHEIRUS. 



Body subcjlindrical. Fins occupying nearly the whole length of 

 the sides of the back. — Sessile arms very large, long, rounded 

 externally; hooks in two indistinct alternate lines; no cups. 

 Tentacular arms long, moderate ; hooks elongated. — Shell nar- 

 row, lanceolate, central groove very broad, slightly convex, 

 gradually produced at the end. 



Enoploteuthis sp. UOrh. Ceph. Acet. 1839, Moll. Viv. et Fos. 402. 

 Onychoteuthis sp. UOrh. Ceph. Acet. 1835. 



1. Ancistrocheirus LESuEIJRn. 



Body elongated, acuminate, produced, with regularly disposed tu- 

 bercles underneath. Fins triangular Arms elongate. Shell 

 narrow, lanceolate ; central groove very broad, shallow. 



Onvchoteuthis LeSueurii Fetmss. ^' UOrh. Ceph. Acet. Onych. i. 

 11. f. 1—5. animal, 1835. 



