32 



'TERRA NOVA" EXPEDITION. 



possible that they may prove to be united by intermediate gradations with the species 

 now described. For the present, however, the latter appears to be sufficiently 

 distinguished by its greater slenderness, especially of the chelophores and legs, the 

 relative shortness of the fourth and fifth segments of the palp, the greater length 

 of the second tibia, and the fact that the claw is more than half as long as the 

 propodus. 



Nymphon hiemale, Hodgson. 

 N. hiemale, Hodgson, 1907, p. 20, PL iii, fig. 1, PI. x, fig. 8. 



Occurrence. — Station 338, Entrance to McMurdo Sound, 207 fathoms ; 1 ?. 



Measurements, in vim. — 



Length of proboscis 



Diameter of proboscis 



Length of trunk 



Length of cephalic segment 



Greatest width of cephalon 



Width of neck 



AVidth between first and second lateral 



Width across second lateral processes 



Leg- 



First coxa 

 Second coxa 

 Third coxa 

 Femur . 

 First tibia 

 Second tibia 

 Tarsus 

 Propodus 

 Claw 

 Auxiliaries 



processes 



Palp- 

 Second segment 

 Third , , 



Fourth ,, 

 Fifth 



Remarks. — The specimen obtained by the " Terra Nova " resembles very closely 

 those got by the " Discovery." The measurements given above are taken from one of 

 the latter labelled by Mr. Hodgson as the type. 



Bouvier's key to the Antarctic species of Ni/mjjhon brings this species into 



