240 BIOLOGICAL SURVEY OP 



C. (Pterygocythereis) inexpectata Blake comb. nov. 

 (Blake, 1929, p. 12, fig. 7.) An uncommon inhabitant of 

 muddy bottoms, in 10 to 55 feet of water. Stations : D 32, 

 35,48,54, 59, 62;P10B. 



Cytherurinae 

 Cytherura G. 0. Sars 



C. UNDATA G. 0. Sars. (G. 0. Sars, 1926, p. 213, pi. 99, 

 fig. 1.) Taken once near low water, at S 48. This species 

 and the following are both new to New England. 



C. STRIATA G. 0. Sars. (G. 0. Sars, 1925-1926, p. 208, pi. 

 97, fig. 1.) Taken once in sand, in 6 feet of water, at S 21. 



Loxoconchinae 

 LoxocoNCHA G. 0. Sars 



L. BAiRDi G. W. Miiller. {impressa G. 0. Sars, 1926, p. 218, 

 pi. 100.) Found on mud, from the shore to 72 feet, rare. Sta- 

 tions: D 46, 115; S25, 33. 



L. GUTTATA (Norman). (Cushman, 1906, p. 370, pi. 31, figs. 

 42-48; pi. 32, fig. 56.) Taken on mud, in 20 to 50 feet of 

 water. Stations : D 32 ; P lOB. 



Cytheropteron G. 0. Sars 



C. PYRAMiDALE Brady. (Hirschmann, 1915, p. 576, figs. 

 1-4.) Found with the preceding species, but extending to a 

 depth of 72 feet. New to New England. Stations : D 29, 32, 

 35,46,62, 115; P lOB. 



C. ALAToiDEs Blakc. (Blake, 1929, p. 16, fig. 8.) A few 

 taken on mud and shell bottom, in 72 feet. Station : D 46. 



Xestoleberinae 

 Xestoleberis G. 0. Sars 



X. DEPRESSA (G. 0. Sars). (G. 0. Sars, 1928, p. 244, pi. Ill, 

 fig. 2.) Associated with mud and algae, from low water to 

 90 feet, rare. Stations : D 59, 104; S 4. 



