142 



KXl'KDITION TO POINT ISA IJItOW, ALASKA. 



CUMAOBA. 



14. DIASTYLIS RATHKII var. 



Two individuals of a large species of Dittxtylix were obtained, one on tlie beach near the station 

 nnd one in the rich haul of the dredge off 1'oint Franklin. Both specimens were more or less bat- 

 tered, but as far as can be made out agree very closely wit h the published descriptions and National 

 Museum specimens of 7>. rathkii, except in having the dorsal keel smooth anteriorly instead of 

 serrated. 



I have ventured to record these as possibly a variety of 1). ruthkii, which, as is well known, is 

 circunipolar in its distribution, but dare not hazard any further conclusions on account of insulli- 

 ciency of material. 



15. DIASTYLIS sp. 



16. DIASTYLIS sp. 



Two other small species of DiastyUs were also obtained by the expedition, one close to the 

 station, in 2i fathoms of water, and the other oft' Point Franklin. 



I have been unable to identify them with any of the means within icy reach, and am inclined 

 to believe that they are undescribed. In view, however, of the difficulty of the group and the 

 insufficiency of the literature at my command, I have concluded to record them simply as above. 



ISOPODA. 

 17. ARCTURTJS HYSTRIX O. O. Sars. 



1870 Arcturuf hystriz, G. O.Sars Archiv for Mathematik og Uaturvirtenskab, ii, p. 350 (230). 



Three small individuals were dredged on the rich bottom off Point Franklin, in 13i fathoms. 

 I am indebted to Mr. Oscar Harger, of New ITaven, Conn., for the identification of this species. 



18. CHIRIDOTEA ENTOMON (Lin.), Harger. 



Only three specimens were obtained, and these were washed up on the beach. Stuxberg 

 (loc. cit.) gives the distribution as confined to the northern coast of the Old World, from the Varanger 

 Fjord in the west to Bering Strait in the east, thence extending down into Bering Sea to Kamt- 

 sehatka and the Sea of Okhotsk; also in the Baltic, the lakes of Sweden aiid Russia, the Caspian 

 Sea, the Sea of Aral, and Lake Baikal. 



There are, however, many specimens in the National Museum (No. 2i30) sent by Macfarlane, 

 from the Anderson Kiver region, thus extending the range much farther to the east. It was also 

 collected by Nelson at Saint Michael's, Alaska. 



19. CHIRIDOTEA SABINBI (Kr.) Harger. 



Year. 



Name. 



Citatiuii.s. 



1821 l,1i}tlifn bine Suppl. App. Parry's Voy.. 



W7 / si, Kriiyer... Naturhi ,krift, ii 1:.. ii. p. :i!i.". ; Voyage, tab. 27, fig. 1. 



!>-! .' ' In Sutherland ^ago in Baffin 'a Bay and Barrow 



SllMit. ii, Jljlj).. ]l (T.vii. 



IH.VI Idol ' Hi : r the Arctic Voyage*, p. 408. 



IHT, /- .. I.iitlu-n (Nominal lint.) Arctic Ma 



iMli-t !' C. Akad. d. Wlas , xxxr, p. 22, 



V,-L;:I-|:\P. V.-lrnsk. lakt.. p. (.'.17 <n sci|. (paHsiiii), tig. oil p. 716. 



