ONYCHOTEUTHma: : ENOPLOTEUTHIS. 47 



covered with a closely fitting membrane. Tentacular arms 

 slender, feeble, scarcely clubbed, armed with hooks only. — 

 Siphuncle with two superior central bands. — Shell pennate, 

 lanceolate, sometimes sinuous at the side, and without any appen- 

 dix at the til); the central ridge narrow, keeled, produced in front. 



Enoploteuthis D'Orb. Moll. Viv. et Fos. i. 398., Ceph. Acet. 1839; 



Gray, Proc. Zool. Soc. 1847, 206. 

 Loligo sp. Leach, Zool. Misc. 1817. 

 Onychotheutis sp. Ferussac, Tab. Syst. 26. 1821. 

 Onychoteuthis sp. Ferussac Sr D'Orb. Tab. Cephal. 1825 ; Verany, 



Mem. Acad. Torino, 1837. 

 Ommastrephes (pars) Gray, Proc. Zool. Soc. 1847, 206. 



* Body prolonged, and subvesicular behind; tubercular beneath. 



1. Enoploteuthis Smithii. 



Head with numerous lines of small tubercles, one series extending 

 up each side of the back of the arms. Body smooth above, with 

 seven longitudinal lines of small rounded granules beneath ; the 

 lateral lines irregular. Sessile arms square ; the dorsal pair 

 slightly margined on the outer edge ; the second pair with a broad 

 membranous edge ; hooks about sixty. Tentacular arms, lower 

 oblong group of ten small cups, half open, rest closed ; hooks ten, 

 in two alternating lines. Shell lanceolate, rather broad, outer 

 edge regularly arched. 



Loligo Smithii Leach, Tuckeys Expedition, Appen. 411. t. . f. 

 adult, 1817, Zool. Miscell. hi. 141. sp. 3.; Blainv. Diet. Class. 

 437., Journ. de Phys. xcvi. 126. ; Feruss. Diet Class, iii. 67. 



Onychoteuthis Smithii Feruss. D'Orb. Tab. Meth. Ceph. 61. sp. 9. 

 1825, Cephal. Aceph. t. 2. f. 3. cop. from Leach. 



Loligo leptura Leach, Zool. Miscell. iii. 141 sp. 21. p. 3. 1817; 

 Tuckeys Exped. Congo, App. iv. 411. t. f. 1817, Journ. de 

 Phys. lxxxvi. 395. t. i. 3. 5. ; Blainv. Diet. Sc. Nat. xxvii. 137., 

 Journ. de Phys. xcvi. 126.; Feruss. Diet. Class, iii. 67. n. 9., 

 Atlas, t. f. 3. all from Leach. 



Onychoteuthis leptura Ferussac, Cephal. Acet. Onychoteuthis, t. 

 2. f. 4. 1828, cop. from Leach. 



Onychoteuthis leptura Ferussac, Ceph. Acet. Onychoteuthis, t. 6. 

 11. f. 6—14. 1839. 



Enoploteuthis leptura D'Orb. Sr Feruss. Moll. Ceph. Acet. Ony- 

 choteuthis, t. 12. f. 20. 1839; D'Orb. Moll. Viv. et Fos. i. 399. t. 

 27. f. 1 — 9., Paleon. univer. t. 17. f. 1 — 9. 



Hab. Atlantic Ocean. 



a. W. Africa, lat. 1° 8' N., long. 26° 30' E. Adult. In 



