232 "TERRA NOVA" EXPEDITION. 



have their coxae separated by a distinct suture from the terga ; but in the fourth and 

 fifth free thoracic somites the coxae and terga are completely fused. PfefFer's figure 

 is therefore inaccurate in this respect, as he shows all five free thoracic somites with a 

 coxal suture. I may add to Pfeffer's otherwise accurate description a note on an 

 interesting difference in the sexes. The inner margins of the merus and carpus of the 

 third thoracic limb of the male are fringed with dense tufts of long plumose setae 

 (pi. VII, fig. 6). In none of the other species in this collection have I observed a similar 

 sexual difference, but Beddard has figured a similar difference in the male of S. neaera. 

 Pfeffer's specimens came from South Georgia, as did the present ones. Richardson 

 has recorded it from Booth-Wandel Island and from the South Sandwich group. 



Family ANTHURIDAE. 



Gmvs LEPTANTHURA, G. 0. Sars. 



39. Leptantlmra glacialis, Hodgson. 



L. glacialis, Hodgson, 1910, p. 9, pi I, figs. Wg. 



Occurrence. — Station 331, off Cape Bird Peninsula, entrance to McMurdo Sound, 

 250 fathoms, January, 1912, bottom fauna, one female with eggs in the marsupium, 

 10 mm. 



Remarks. — The single specimen agrees very closely with Hodgson's description and 

 figures, as far as it is possible to see without actual dissection, but is only about half 

 the size of his specimens, though apparently adult, since it carried eggs in the marsupium. 

 None of the other Antarctic expeditions have met with this species. 



Genus EISOTHISTOS, Haswell. 



40. Eisothistos antarcticus, Vanhoffen. 



E. antarcticus, VanhoflFen, 1914, p. 494, text-fig. 33. 



Occurrence.— ^ia.tion 339, 77° 5' S., 164° 17' E., 140 fathoms, January 24, 1912, 

 bottom fauna, one male, 3 • 5 mm. 



Remarks. — This specimen agrees very closely with Vanhoffen's description and 

 figures. Having only one specimen, I have not thought it advisable to dissect it and 

 examine the mouth-organs in more detail, though it is very desirable that this should 

 be done when more material is available. 



SuB-OEDER VALVIFERA. 

 Family IDOTHEIDAE. 



Genus GLYPTONOTUS, Eights. 



41. Glyptonotus antarcticus, Eights. PL IX, figs. 5, 6. 



G. antarcticus, Eights, 1853, p. 331, 2 pis.; Miers, 1881, p. 11 ; Pfeffer, 1887, p. 115, pi. II, 

 fig. 7, pL VI, figs. 13-27; Tait, 1917, p. 246, 22 text-figs.; Collinge, 1918, p. 65, 

 pis. I, II, figs. 1-13, 



