363 



Breadth of largest horny hoops of ace- 

 tabula, about 



0.2 inches. 



Reference to the Diagrams. 



1. Figure of Loligo Eblanae, half the natural size. 



2. Termination of tentacula, with acetabula, natural size. 



3. Dorsal lamina, natural size. 



4. Beak, natural size. 



5. Magnified figure of an acetabulum, or sucker, to show 

 its peduncle. 



6. 7. Magnified figures of horny hoops of acetabula. 



It was thus shown to be of much shorter proportions 

 than the Loligo vulgaris. Its body is urn-shaped. The large 

 fin, which is somewhat inequilateral, approximates to an 

 ellipse in form, and resembles not a little the fin of Loligo 

 Brongnartii, as figured by Ferussac, to which it also bears 

 likeness, in the structure of its five-ribbed dorsal lamina ; 

 but it differs from this animal in its general proportions, and 

 in the horny hoops of its acetabula, which have in each of the 



