130 TEUTHIDJJ. 



Verany says it is migratory. De Blainville named it 

 Loligo sagittata; and Cantraine erroneously considered 

 it the younger state of 0. todarus. 



The Loligo Eblanae of Ball (Proc. R. Ir. Ac. i. p. 362, 

 pis. 1-7), from Dublin Bay and Lough Strangford, ap- 

 pears to be the female of 0. sagittatus. He evidently 

 did not know the latter species, for which he mistook 

 0. todarus. Through the kindness of Prof. Wyville 

 Thomson I have examined the late Mr. Wm. Thompson's 

 specimen of 0. Eblance referred to by Forbes and Hanley. 



Genus II. LOLI'GO*, Schneider. PI. V. f. 2. 



Eyes covered with a membrane, which has a small opening ; 

 no lachrymal sinus. 



Shell terminating in an open point. 



Gould says as to L. illecebrosa, which is the most 

 common species on the Massachusetts coast, that " they 

 devour immense numbers of small fish, and it is amusing 

 to watch their movements and see how, at a distance of 

 several feet, they will poise themselves, and in an in- 

 stant, with the rapidity of lightning, the prey is seized 

 in their long arms, and instantaneously swallowed/ 



)> 



1. Loligo vulgaris^ Lamarck. 



L. vulgaris, Lam. Mem. Soc. H. N. p. 11 ; F. & H. iv. p. 226, pi. LLL. 



Body pale fleshcolour or yellowish-white, closely speckled 

 with purplish-brown ; it is rather slender : fins broad and 

 obtuse-angled, extending about f the length of the mantle, 

 and coalescing at its base : tentacles vermiform, as long as the 

 head and mantle together, smooth for |- of their length ; 

 club armed with numerous and crowded suckers, which are 



* The ancient name of this kind of Cephalopod. 

 t Common. 



