ONYCaOTEtJTHID^:. 45 



1841, Moll. Cuba, i. 7. 1841, Moll. Viv. et Fos. i. 79. t. 253. 



1848 ; Desk, in Lamck. Hist. xi. 237. ; Gray, Proc. Zool. Soc. 



1847, 205. 

 Histioteuthys Verany, Cat. Invert. 17. 1846. 

 Cranchia sp. Feruss. Mag. de Zool. 1835, p. 66. 



1. HlSTlOTEUTHIS BoNELLIANA. 



Body short, obtuse. Head very large ; and head, body, and arms, 

 scattered with tubercles. Sessile arms subequal, fleshy. Fins 

 semicircular, broad. Shell broad, lanceolate. 



Cranchia Bonelliana Feruss. Mag. de Zool. 1835, p. 66. 

 Histioteuthis Bonelliana D'Orb. Ceph. Acet. Cranchies, t. 2. 1839, 



Moll. Viv. et Fos. i. 380. t. 25. 

 Hab. Mediterranean, near Nice. Verany. 



2. Histioteuthis Ruppellii. 



Body, head, and arms granular. Head large. The second and 



third pairs of arms longer, first and fourth shorter. Cups blue. 



Fins . 



Histioteuthis Ruppellii Verany, Congress. Milano, e Cat. Anim. 



Inv. Genova, 17. 28. n. 53. t. 3. 

 Hab. Genoa. 



Perhaps only a variety of the former. 



Fam. IV. ONYCHOTEUTHIDiE. 



Body elongate, fleshy. Fins posterior, dorsal, angular, together 

 rhomboidal. Mantle supported by cartilaginous tubercles and 

 loops in front. Anal aquiferous opening distinct. 



Head moderate, cylindrical. Eyes lateral, naked, with a deep lacry- 

 mal sinus at the upper edge. Buccal membrane large. Ears 

 with a well marked longitudinal crest. 



Tentacular arms with a rounded group of small sessile cups at the 

 extremity of the club. 



Siphuncle with one or two bands on each side above, and with a 

 distinct internal valve. 



Shell internal, horny, lanceolate, without any air-chambers. 



Teuthidae (pars) Owen, Trans. Zool. Soc. ii. 1838. 

 Teuthidfe D'Orb. Moll. Viv. et Fos. i. 382. 1848. 

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



