NO. 1175. ISOPODS OF THE PACIFIC COAST— RICHARDSON. 849 



51. SYNIDOTEA LATICAUDA Benedict. 



Synidotea laticauda Benedict, Proc. Acad. Nat. .Sci. Piiila., 1897, pp. 393,394. 



Habitat. — Sau Francisco Bay. 



52. SYNIDOTEA HARFORDI Benedict. 



Idotea marmorata Harford, Proc. Cal. Acad. Sci., VII, 1877, i>. 117. 

 Synidotea harfordi Benedict, Proc. Acad. Sci. Phila., 1897, p. 402. 



Habitat. — Magdalena Bay, Lower California. 



53. SYNIDOTEA NODULOSA (Kr0yer). 



Idotea nodulosa Kr0yer, Naturliist. Tidssk., II, 1846, p. 100. 



Synidotea nodulosa Harger, Report of U. S. Commissioner of Fish aud Fisheries, 



1878, Pt. 6, pp. 351, 352.— Benedict, Proc. Acad. Nat. Sci. Phila., 1897, pp. 



398, 399. 



Habitat. — Dixon Entrance, north of Queen Charlotte Islands, British 

 Columbia. 



54. SYNIDOTEA LiEVIS Benedict. 

 Synidotea Iwvis Benedict, Proc. Acad. Nat. Sci. Phila., 1897, pp. 399,400. 



Habitat. — Between Bristol Bay and Pribilof Islands, Alaska; Bering 

 Sea. 



Fig. 22.— Maxillipeu of Colidotea rosthata (Benedict). 

 55. SYNIDOTEA MURICATA (Harford). 



Idotea muricata Harford, Proc. Cal. Acad. Sci., VII, 1877, Pt. 1, p. 117. 

 Synidotea muricata Benedict, Proc. Acad. Nat. Sci. Phila., 1897, p. 400. 



Habitat. — Icy Cape. 



56. SYNIDOTEA PICTA Benedict. 



Synidotea picta Benedict, Proc. Acad. Nat. Sci. Phila., 1897, pp. 401, 402. 

 Habitat. — Alaska aud Bering Straits. 



20. COLIDOTEA,' new genus. 

 57. COLIDOTEA ROSTRATA (Benedict). 

 Idotea rostrata Benedict, Proc. Biol. Soc. Washinjjton, XII, 1898, pp. 53, 54. 

 Habitat. — San Pedro, California. 



' See key on p. 843 for characters of genus. 

 Proc. N. M. vol. xxi 54 



