458 



DR. W. E. HOYLE ON CEPHALOPODS 



[May 7, 



The Fen is thin and transparent, with a thick hollow keel, and 

 on either side a thickened strip, which begins about halfway 

 between the keel and the margin and does not extend quite as 

 far outwards as the latter (text-fig. 136). 



Text-fie-. 136. 



Transverse section through the pen of Sepioteuthis loliginiformis. 



Text-fi^. 137. 



Two rows of teeth from the radtila of SepioteutMs loliginiformis ; X 42. 



The Radula has the form and arrangement shown in text- 

 fig. 137. 



Dimensions o/'lS'o. 160. 



cm. 



Length (total) 27 



End of body to mantle-margin (dorsal) 16' 7 



,, ,, eye (centre) 16"5 



Breadth of body 5*2 



,, ,, head 4*5 



Length of fin 1 5*5 



Breadth of fin 9'8 



Diameter of largest sucker on sessile arm .. . 0"35 

 ,, ,, ,, tentacle 0"5 



Right. Left. 



cm. cm. 



Length of first arm 5 4-5 



,, ,, second arm 7*5 6*5 



,, ,, third arm 8'5 8 



,, ,, fourth arm 8 8 



„ „ tentacle :.... 14 1 5'5 



No full description of this species has ever been published, so I 



