Isopoda 25d 



Asia: Cat. No. 31018, Plover bay, East Siberia, W. H. Dall, collector, 1 

 specimen; Cat. No. 39272, Nikolski, Bering island, "on shore," 1 specimen 

 collected by the U. S. Bureau of Fisheries steamer Albatross; Cat. No. 39271, 4 

 specimens from the' same place by the same collector; Cat. No. 22773, 4 speci- 

 mens from the same locality by the same collector; Cat. No. 21820, 2 specimens 

 also from the same source; Cat. No. 22774, 6 specimens from the same locality 

 collected by Leonhard Stejneger, July, 1897; Cat. No. 22776, 12 plus specimens 

 from Bering island by the same collector, 1882-83; Cat. No. 22774, 8 specimens 

 from Bering island, collected by N. Grebnitski, in 1884; Awaatsch bay, southeast 

 Kamchatka, Wosnesenski, collector, type locality (Brandt); Cat. No. 13462, 

 Petropavlovsk, Kamchatka, 1 1 specimens, collected by LeonhardStejnegerin 1882, 

 83; Cat. No. 13464, 10 plus specimens from the same place by the same col- 

 lector; Cat. No. 39889, 15 plus specimens from the same place, collected by the 

 U.S. Bureau of Fisheries steamer Albatross in 1908; Cat. No. 39891, 1 specimen 

 from the same place by the same collector, Okhotsh sea, von Middendorff, col- 

 lector, type locahty (Brandt) ; Cat. No. 22772, Robben island, vicinity of south- 

 east coast of Kamchatka, 1 specimen, "On the surface" collected by the Alba- 

 tross; Cat. No. 39329 20 specimens from Milne bay Simushir island, Japan, 

 collected by the Albatross, June, 1906; "the eastern coast of Asia northward from 

 the sea of Japan" (Miers); British Museum collections, 1 male captured by 

 Capt. St. John, off the northeast of Yedo island, Japan; Paris Museum collect- 

 ions (?) 2 males from the Amur, M. A. Edwards. (Miers). 



Genus Synidotea Harger. 



Synldotea bicuspida (Owen).. 



1839. Idotea bicuspida Owen, Crustacea of the Blossom, p. 92, pi. 27, fig. 6. 



1877. Idotea pulchra Lockington, Proc. Cal. Acad. Sci., 7 p. 44. 



1883. Edotea bicuspida Miers, Journ. Linn. Soc. London, 16, p. 66. 



1885. Synidotea bicuspida Sars, Crust. Norwegian North Atlantic Exploring 



Exped. p. 116, pi. 10, figs. 24-26. 



189-7. Synidotea bicuspida Benedict, Proc. Acad. Nat. Sci. Phila., pp. 391-392. 



1899. Synidotea bicuspida Richardson, Proc. U. S. Nat. Mus. 21 p. 848. 



1899. Synidotea bicuspida Richardson, Ann. Mag. Nat. Hist., ser. 7, 4 p. 268. 



1900. Synidotea bicuspida Richardson, American Naturalist, 34, p. 228. 

 1905. Synidotea bicuspida Richardson, Bull. 54, U. S. Nat. Mus., p. 385. 



Range: North America: Point Franklin, Alaska, to north of Amak island, 

 Alaska; Europe, Aberdore channel to northwest coast of Spitzbergen; Asia in 

 the North Siberian sea. 



Localities recorded: Cat. No. 7848, ten miles west of Point Frankhn, Alaska, 

 IZ}/^ fathoms, sandy bottom, 300 plus specimens collected by the Point Barrow 

 Expedition in 1883; Cat. No. 20418, near Point Belcher, Arctic ocean, 9 fathoms, 

 sandy bottom, 5 specimens collected by Wm. H. Dall; Cat. No. 14283, Icy cape, 

 Arctic ocean, 7-15 fms., sandy bottom, 3 specimens by the same collector; Cat. 

 No. 20447 off cape Sabine, 13 fathoms, gravel, two specimens by the same 

 collector; Cat. No. 20417, off Indian Point, Bering strait, 17 fathoms, 25 plus 

 specimens, by the same collector; Cat. No. 20421, Norton sound, Alaska, lat. 

 63° 37' N., long. 165° 19' W., 12 fathoms, 2 specimens, collected by Lt. Geo. M. 

 Stoney, u! S. N.; head of Norton sound, Alaska, 5 fathoms, 10 specimens, col- 

 lected by the Point Barrow Expedition, 1883; Cat. No. 4650, off mouth of 

 Yukon river, 3}/^ fathoms, 7 specimens, collected by E. W. Nelson, June, 1877; 

 Cat. No. 13640, U.S.N.M., lat. 62° 54' N., long. 166° 38' W., off southern end Nor- 

 ton sound, 2 specimens, collected by Lieut. G. M. Stoney, U.S.-N. ; also the follow- 

 ing lots collected by the U.S. Bureau of Fisheries Steamer Albatross; Cat. No. 

 25087 Station 3508, Bering sea between Pribilof islands and cape Newenham, 



