660 PATAGONIAN EXPEDITIONS : ZOOLOGY. 



as Milne-Edwards' adult male). It agrees well with the description in 

 every respect, but the spinules of the upper part of the carapace are less 

 distinct, although present. The latter character seems to be not very 

 important, since a variety of M. subrngosa (var. austmliensis] also pos- 

 sesses a larger number of spinules on the carapace than the typical 

 subrugosa. 



Family MAJID^. Alcock. 

 EURYPODIUS Guerin-Meneville. 

 EURYPODIUS LATREILLEI Gurin-Meneville. 



1891 E. I. A. Milne-Edwards in : Miss. Cap Horn, v. 6, p. 10. 



Localities. Punta Arenas, i $ ad. 15 J 1 jun., i 9 ad. 4 9jun.; Mount 

 of Observation (near Santa Cruz) i J 1 ad. 2 9 jun.; Mouth of Santa Cruz 

 River, 2 $ i 9 (all jun.); San Julian, i 9 jun. 



Distribution. Falkland Islands; Tierra del Fuego ; Straits of Magel- 

 lan ; northward, on the western coast, to Chili and Peru, and on the east- 

 ern coast to the Gulf San Matias (Rathbun, Pr. U. S. Mus., v. 21, 1898, 

 p. 571). 0-70 fath. 



Remarks. Our series corresponds exactly to the account given of 

 this species by A. Milne-Edwards, showing the identical differences of the 

 characters in the different sexes and ages. 



Family HYMENOSOMID^E Stimpson. 



HALICARCINUS White. 



HALICARCINUS PLANATUS (Fabricius). 



1852 H. p. Dana, U. S. Expl. Exp., v. 13, p. 385, pi. 24, f. 7. 

 1852 H. pubescens Dana, ibid., p. 386, pi. 24, f. 8. 

 1886 H. plan. Miers in : Rep. Voy. Challenger, v. 17, p. 281. 

 1891 H. pi. A. Milne-Edwards in : Miss. Cap Horn, v. 6, p. 27. 

 1900 H. pi. Stebbing in : Proc. Zool. Soc. p. 524, pi. 36, B. 



Localities. Punta Arenas, 6 J 1 ad. and half grown, 3 J 1 jun., 10 9 ; 

 Mount of Observation, i 9 ; Mouth of Santa Cruz River, 149; San 

 Julian i cf jun., 7 9. 



Distribution. Falkland Islands ; Tierra del Fuego ; Straits of Magel- 

 lan. It has been found, on the east coast of Patagonia, at Cape Virgin 



