SYSTEMATIC REPORT 61 



Distribution. H. antarctica has never been recorded north of 64 S. and would appear to have 

 a circumpolar distribution in very cold waters. It has a relatively small vertical range. The types 

 were taken at a depth of 100 m., Hansen's specimen at 400 m., Zimmer's at 385 m. and the Discovery 

 specimen between 160 m. and 385 m. 



Fig. 8. Hansenomysis antarctica Holt and Tattersall. A, anterior end in dorsal view (adult male) ; B, anterior two-thirds of male 

 in lateral view; C, left antenna; D, first pleopod of adult male; E, fifth pleopod of adult male; F, anterior end of telson and 

 right uropod in dorsal view. All x 12. 



Hansenomysis falklandica sp.n. 



Occurrence: ( Fi §- 9 A ~ P ) 



St. WS 212. 30 v. 28 (day). North of Falkland Is., 242-249 m. 8 <$<$, 28 99 (largest 12-5 mm.), 11 imm. 

 St. WS 213. 30. v. 28 (day). North of Falkland Is., 249-239 m., 2 S$, 14 mm.; 6 99, 14-4 mm. Types. 

 St. WS 214. 30. v. 28. (day). North of Falkland Is., 208-219 m., 1 o*, 14 mm.; 4 99, largest 15-5 mm., carrying 



eggs; 1 imm. 

 St. WS 227. 12. vi. 28 (night to dawn). East of Falkland Is., 320-298 m., 8 <J<J, 9 99. largest 13-2 mm. (ovig.), 

 3 imm. and fragments. 



