S6 



DISCOVERY REPORTS 



Remarks. This species bears a strong superficial resemblance to N. hiemole, Hodgson, 

 but in addition to being a more robust form, 

 it differs from the latter in the following 

 respects: (i) the third palpal segment is equal 

 to or a little longer than the second, (2) the 

 tarsus never exceeds two-thirds of the pro- 

 podus, (3) the fifth segment of the male 

 oviger, though long, is expanded distally and 

 is very similar to that of A^. brachyrhynchum, 

 Hoek (Gordon, 1932, fig. 40). It is easily 

 distinguished from the latter as follows: 

 (i) the chela is subequal to, instead of half 

 as long again as, the scape; the fingers are 

 not bent distally and are armed with fewer 

 spinules (cf. Fig. 22 b with Gordon, 1932, 

 fig. 3); (2) the relative proportions of palpal 

 segments 2-5 differ markedly in the two 

 species (e.g. 7-66 : 8-33 : 4 : 6 and in A^. 

 brachyrhynchum 8 : 11 : 12 : 8); (3) the rela- 

 tive proportions ^ of segments 4-6 of the male 

 oviger are different. 



Fig. 23. Segments 4-6 of male oviger of: 

 a. Nymphoii artkulare, Hodgson (sixth seg- 

 ment slightly twisted): >; 36. b. N. clarencei, 

 n.sp.: X 10. 



Nymphon, sp.? (Fig. 24 e,f). 



St. 181. 12. iii. 27. Schollaert Channel, Palmer Archipelago, 64° 20' S, 63° 01' W, 160-335 m.; 

 M. Large otter trawl: 1 ^, incomplete. 



Description of specimen. Trtuik slender, smooth and of very loose build ; lateral 

 processes separated by 2-3 times their own diameter. Neck long and slender; ocular 

 tubercle low, as wide as high ; eyes conspicuous. 



Proboscis long, rather slender, slightly expanded in middle and again near the distal 

 end ; approximately two-thirds of cephalon and a little shorter than scape. 



Abdomen very short, reaching only to about the middle of fourth lateral process; 

 elevated at an angle of about 45''. 



Chelophore long and slender. Scape approximately seven times as long as wide 

 distally, bearing a very few short setae especially near the distal articulation. Chela 

 rather longer than scape (5 : 4) and slightly curved; fingers half as long again as palm, 

 each armed with about 50-52 crowded and uneven spinules (every 2nd-4th spinule 

 long, the intermediate ones of various lengths). Setose pad scarcely developed 



(Fig. 24/). 



Palp long and slender, segments 2-5 subequal in the proportions 4-25 : 4-5 : 4-5 : 475 ; 

 setae very minute. 



1 In A', brachyrhynchum 2-5:4:1 and 2-33 : 3-66 : i. 



