PYCNOGONIDA— CALMAN. 



25 



Colossendeis lilliei, sp. n. (Text-fig. 4). 



Occurrence. — Station 338, Entrance to McMurdo Sound, 207 fathoms ; 1 <?, 2 ? 

 (incl. Holotype). 



Bescription.— Trunk compact, its greatest width, across second pair of lateral 

 processes, more than two-thirds of its length ; lateral processes separated by much less 

 than their own diameter; intersegmental suture-lines well-marked. Ocular tubercle 

 rather bluntly conical, broader than in C. rohusta, occupying greater part of width of 

 cephalon ; eyes dark, sharply defined, anterior pair the larger. Tubercles near anterior 

 border of cephalon less distinct and more laterally placed than in C. rohusta. 



Fig. 4. — Colossendeis lilliei, sp. n., Female. A. Dorsal view of body with palps and coxaj. B. Lateral 

 view of body with palp and oviger. C. Third leg of right side. 



Proboscis hardly decurved, distinctly longer than truulv, less narrowed at base 

 than in C. rohusta, with proximal dilatation less abrupt and the widest part liardly 

 beyond middle. 



Ahdomen distinctly clavate, longer than maximum diameter of proboscis. 



Paljj not differing greatly from that of C. rohusta except that the terminal 

 segment is much shorter than the preceding ; distal segments minutely spinose. 



Oviger resembling that of C. rohusta ; spines of distal segments (much worn in 

 all the specimens) set, more or less regularly, in four rows, 



VOL. Ill, E 



