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“TERRA NOVA” EXPEDITION 
Nymphon (jracillimum, sp. n. (Text-fig. 5). 
Occurrence .—Station 314, McMurclo Sound, 222-241 fathoms; 1 $ (Holotype). 
Description .— Trunk elongated and slender, the lateral processes separated by 
more than their own diameter. Cephalic segment nearly as long as remaining 
segments together. Neck long and slender, less than half as wide as anterior dilatation 
of cephalon. Ocular tubercle broad, low, and rounded; ocular pigment abundant 
and dark. 
Proboscis cylindrical, slightly decurved, rather pointed at the tip as seen from 
above, shorter than cephalic segment. 
Fig. 5.— Nynqjhon gracillimum, sp. n., Male. A. Dorsal view of body with chelophores, palps, and first 
coxse. B. Lateral view of body with chelophore, palp, and oviger. C. Chela, further 
enlarged. D. Third leg of right side. 
Abdomen elevated, slightly clavate, and more than twice as long as wide. 
Chelophore with scape longer than proboscis and six times as long as wide. Chela 
shorter than scape, fingers about one-tliird longer than palm. 
