CRUSTACEA. 37 



AKTHROSTRACA. ISOPODA. 



CIROLANIDAE. 



109. CiROLANA poLiTA (Stimpson) . 



Aeffct polita Stimpson, Mar. invert. Grand Manan, 1853, p. 41. 



"I,0\V-\VATKR HARK OX HiGH DuCK IsLAND " [GrAND MaXAN]. 



Me.— Eastport. 



Mass. — Salem ; near Swampscott ; Cape Cod Bay. 



Georges Bank. 



Low- water to 150 fathoms. 



AEGIDAE. 



110. AE(iA PSORA (Linne). 

 Salve-bug. 



Uniscus psora Linne, Syst. nat., ed. 10, 1758, vol. 1, p. 636. 



"habitat IX MARI NORVEGICO." 



Aega psora Ilarger, Rept. U. S. commr. of fish & fisheries, [it. 

 G, for 1878 (1880), p. 384, pi. 10, fig. 64. 



On cod, skate and halibut. 40 to 150 fathoms. 



^Lvss. — Beverly; Provincetown ; off Marthas Vineyard. 

 Gulf of Maine ; Georges Bank. 



111. RocixELA AMERiCAXA Scliioedte and Meinert. 



Rocinela americana Schioedte and Meinert, Naturh. tidssk., 

 1879 (3), vol. 12, p. 394, pi. 10, figs. 16-18. "Ireston Amer- 

 ic.E septentrioxalis." Ireston is an error for Trenton. Har- 

 ger, Bull. mus. comp. zoijl., 1883, vol. 11, p. 98, pi. 3, figs. 3, 3a, 

 and 4, pi. 4, figs. 2, 2a. 



Me. — Trenton. 



112. Syscexus ixfelix Ilarger. 



Syscenus infelix Harger, Rejjt. \J . S. commr. of fish & fisheries, 

 pt. G, for 1878 (1880), p. 387. "About fifteex miles xorth- 



