330 



Bulletin Vanderbilt Marine Mttseum, Vol. VII 



death and muscle contraction) . The horny rings of all the large 

 suckers are smooth, except one which is continuously cut into 

 short, narrowed, acute, triangular teeth, the space between each 

 of which is about equal to one tooth inverted. 



The suckers of the two lateral dentate cups have similar tri- 

 angular teeth on their outer margins and their inner margins 

 with rudimentary teeth or smooth. 



The skin is typically Loliginid, smooth, flesh colour, with nu- 

 merous small, purplish chromatophores. 



The pen is typical, with the narrowed anterior portion gradu- 

 ally expanded to form the blade. 



References : Loligo kobiensis, Hoyle, W. E., Ann. Mag. N. H., 

 ser. 5, vol. XIV, 1885, II, p. 184; Proc. Roy. Soc. Edinb., 

 1885, vol. XIII, p. 287; Rept. Sci. Res. Voy. H. M. S. "Chal- 

 lenger" Zool., 1886, vol. XVI, p. 154, pi. 25, figs. 1-10. 



Loligo diomedeae Hoyle 



■f 



Volume IV, plate 112 



Material examined : One specimen, having a mantle length 

 of 51 millimeters, labeled Panama City, Panama, Pacific Ocean, 

 July 24, 1931, collected by the "Alva" World Cruise. One speci- 

 men, with a mantle length of 80 millimeters, collected at Valpa- 



Text figure 18. — Loligo diomedeae Hoyle: left figures; profile 

 dorsal views of a sucker from the third right sessile arm; right 

 figures; profile and dorsal of a large sucker from the left ten- 

 tacular arm of a specimen from Valparaiso, Chile; X 12. 



