Isopoda 3?D 



25, 1879, Steamer Speedwell, collector; Cat. No. 31558, U.S.N.M., 6 specimens 

 on P. leptocerus from Fish Hawk Station 813, off Block island, 28J/2 fathoms, 

 U. S. Fish Commission; Cat. No. 31560, U.'S. N. M., 1 specimen from Station 

 815, off Block island, 29 fathoms, Fish Hawk, collector; Cat. No. 31559, U. S. 

 N. M., 5 specimens on P. leptocerus from Station 814, off Block island, 27^ 

 fathoms, Fish Hawk, collector. 



I have likewise examined the following material from the west coast of 

 North America: , 



Cat. No. 28734, U. S. N. M., 1 specimen on S. gaimardii belcheri (Bell), 

 Arctic ocean, collected by the U. S. Revenue Ship Corwin; Cat. No. 28748 

 U. S. N. M., 1 specimen on S. fabricii from Station 3291, off cape Strogonoff, 

 Alaska, Albatross, collector, 26 fathoms; Cat. No. 39319, U. S. N. M., 7 

 specimens, Station 4782, off East cape, Attu islands, Alaska, 57 fathoms, June 9, 

 1906, Albatross-, Cat. No. 28750, U. S. N. M., 1 specimen from Station 3334, 

 Iliuliuk harbour, Unalaska, Alaska, on S. suckleyi, 50 fathoms, Albatross; Cat. 

 No. 28749, U. S. N. M., 1 specimen, Station 3310, Iliuliuk harbour, Unalaska, 

 on S. suckleyi, 58 fathoms; Cat. No. 28471, U. S. N. M., 1 specimen on S. 

 arcuata from Station 2842, off North head, Akutan islands, Alaska, 72 fathoms, 

 Albatross, collector; Cat. No. 28740, U. S. N. M., 2 specimens on S. arcuata 

 also from Station 2842; Cat. No. 28751, U. S. N. M., 1 specimen on S. biungius, 

 Station 3338, off Shumagin bank, Alaska, 625 fathoms, Albatross, collector; 

 Cat. No. 30257, U. S. N. M., 1 specimen on S. suckleyi from Station 4290, Uyak 

 bay, Kodiak islands, Alaska, Albatross, collector, 1903; Cat. No. 30256, U. S. 

 N. M., 1 specimen on S. macropthalma from Station 4230, vicinity of Naha 

 bay, Behm canal, southeast Alaska, Albatross, collector, 1903; Cat. No. 30253, 

 U. S. N. M., 1, specimen on S. macropthalma, from Station 4229, vicinity of 

 Naha bay, Behm canal, southeast Alaska, Albatross, collector; Cat. No. 287356, 

 1 specimen on S. polaris from Alaska, collected by the U. S. Revenue Ship 

 Corwin, Capt. M. A. Healy; Cat. No. 28735, U. S. N. M., 1 specimen on S. 

 gaimardii belcheri, from Alaska (?), Wm. H. Dall, collector; Cat. No. 28742, 

 U. S. N. M., 4 specimens on S. macropthalma from Station 2861, off Queen 

 Charlotte sound, British Columbia, 204 fathoms, Albatross, collector; Cat. No. 

 30251, U. S. N. M., 1 specimen from Station 4192, gulf of Georgia, Vancouver 

 island, British Columbia, Albatross, collector; Cat. No. 31565, U. S. N. M., 

 1 specimen on S. sitchensis from Fort Rupert, Beaver bay, Vancouver island, 

 British Columbia, June 25, 1903, Albatross, collector; Cat. No. 28805, U. S. 

 N. M., 1 specimen on S. townsendi from straits of Fuca, Washington, Station 

 3462, 92 fathoms, Albatross, collector; Cat. No. 28753, U. S. N. M., 1 specimen 

 on S. townsendi, Station 3443, straits of Fuca, Washington, Station 3462, 92 

 fathoms, Albatross, collector; Cat. No. 28753, U. S. N. M., 1 specimen on 

 S. townsendi. Station 3443, straits of Fuca, Washington, 97 fathoms, Albatross, 

 collector, Cat. No. 28744, U. S. N. M., 2 specimens on S. tridens Rathbun, 

 Station 2864, straits of Fuca, Washington, 48 fathoms, Albatross, collector; 

 Cat. No. 28743, U. S. N. M., 2 specimen^ from Station 2864, straits of Fuca, 

 Washington, 48 fathoms, Albatross, collector; Cat. No. 28747, U. S. N. M., 

 22 specimens, on S. macropthalma, from Station 3076, off Tahwit head, Washing- 

 ton, 178 fathoms, Albatross, collector; Cat. No. 28745, U. S. N. M., 3 specimens 

 from Station 2865, Admiralty inlet, Puget sound, 40 fathoms, Albatross, collector; 

 Cat. No. 28746, U. S. N. M., 1 specimen on S. groenlandica (Fabr.), also from 

 Albatross Station 2865; Cat. No. 30250, U. S. N. M., 1 specimen on S.. tridens, 

 from Station 4220, Admiralty inlet, vicinity of Port Townsend, Washington, 

 Albatross, collector; Cat. No. 31564, U. S. N. M., 1 specimen on. S. groenlandica 

 from Station 4218, Admiralty inlet, vicinity of port Townsend, Washington, 

 16 fathoms, Albatross, collector; Cat. No. 30252, U. S. N. M., 5 specimens, on 

 S. tridens, Station 4216, Admiralty inlet, vicinity of Port Townsend, Washington, 

 Albatross, collector; Cat. No. 30254, U. S. N. M., 1 specimen on S. tridens, 



