MODIFICATION OF THE EYE PEDUNCLES JN CYMOKOWUS. 459 



text-fig. 11). On the other hand, the long* and somewhat 

 coarse hairs on both eye-stalks and rostrum seem to distin- 

 guish this species from C. quadratus. It certainly is not 

 likely that this East African form should be identical with 

 the Mediterranean and North Atlantic C. granulatus. I 

 think that it will prove to be either a hairy variety of 

 C. quadratus or a sufficiently distinct form to be entitled to 

 a specific name, in which case I propose to speak of it as 

 Cymonomus Valdivia?. 



Still more recently I have received a most interesting 



Fig. 12. — Outline diagram from Dr. Hansen's drawing of the "Ingolf " 

 specimen of Cymonomus allied to C. Norman i. 



communication from my friend Dr. Hansen, of Copenhagen, 

 relative to a Cymonomus dredged by the Ingolf Expedi- 

 tion in lat. N. 62° 58', long. W. 23° 28', at a depth of 486 

 fathoms, to which I have already referred above. 



Dr. Hansen has been kind enough to send me an excellent 

 drawing of the dorsal view of the remarkable "Ingolf" speci- 

 men. He will himself describe it hereafter in full, but I may 

 say here that it is most distinctly a further term in the develop- 

 ment of those special features which distinguish C. Normani 

 from C. granulatus. In the IngolPs Cymonomus the 

 rostrum, as shown in the outline here given (text-fig. 12), is 

 not even represented by a trifid spine ; it is reduced to a 

 scarcely prominent process of the margin of the carapace. 



