72 MANUAL OF THE MOLLUSCA. ' f 



Pen sliort and broad. 



Distr., 2 sp. jNIediterranean ; in the open sea. 



Onychoteuthis, Lichtenstein. Uncinated calamary. 



Efym., onyx, a claw, and teuthis. 



Type, 0. banksii, Leach. ( = bartlingii ?) PL L, fig. 7 and fig. 8 {pen) 



Syn., ancistrotenthis (Gray). Onychia (Lesueui-). 



Pen narrow, with hollow, conical apex. ij 



Anns \^■ith 2 rows of suckers. Tentacles long and powerful, armed witk \ 

 a double series of hooks ; and usually having a small group of suckers at the 

 base of each club, which they are supposed to unite, and thus use their tenta- 

 cles in conjunction.* Length 4 inches to 2 feet. 



The uuciuated calamaries are solitary animals, frequenting the open sea, i 

 and especially the banks of gulf- weed {sargasso). O. banksii ranges from 

 Norway to the Cape and Indian ocean ; the rest are confined to warm seas, i 

 0. dussumieri has been taken swimming in the open sea, 200 leagues north • 

 of the Mauritius. 



Distr., 6 sp. Atlantic, Indian ocean, Pacific. 



Enoploteuthis, D'Orb, Armed calamary. 



Etym., enoplos, armed, and teuthis. 



Type, E. smithii, Leach. 



Syn., ancistrochii-us and abralia (Gray), octopodoteuthis (Kuppell), verania i 



(Krohn). ! 



Pen lanceolate. Arms provided with a double series of horny hooks, con- | 



cealed by retractile webs. Tentacles long and feeble, with small hooks at the j 



end. Length (excluding the tentacles) from 2 inches to 1 foot ; but some j 



species attain a larger size. In the museum of the College of Surgeons there i 



is an arm of the specimen of E. unguiculata, found by Banks and Solander in ] 



Cook's first voyage (mentioned at p. 64) supposed to have been 6 feet long i 



when perfect. The natives of the Polynesian Islands, who dive for shell-fish, 



have a weU-founded dread of these formidable creatm-es. {Owen.) ^ 



Distr., 10 sp. Medit., Pacific. ^ 



OiiMASTKEPHES, D'Orb. Sagittated calamary. j 



Etym., omnia, the eyes, and strepho, to turn. ] 



Type, 0. sagittatus, Lam. 



Body cylindrical ; terminal fins large and rhombic. Arms with 2 rows of i 



suckers, and sometimes an internal membranous fringe. Tentacles short and \ 



strong, with 4 rows of cups. j 



Pen, consisting of a shaft with thi'ee diverging ribs, and a hollow conical j 



appendix. Length from 1 inch to nearly 4 feet. ' 



* The obstetric forceps of Professor Simpson were suggested by the suckers of thej 

 calamary. 



I 



