22 ALLAN HANCOCK PACIFIC EXPEDITIONS VOL. 25 



Nothria conchylega (Sars) 1835. See Hartman, 1944a, p. 85; Berkeley 

 and Berkeley, 1948, p. 91. Western and southern Europe, south- 

 ern California, rare, in slope depths, in mixed sediments. 



Nothria elegans (Johnson) 1901. See Hartman, 1944a, p. 88; Berkeley 

 and Berkeley, 1948, p. 93. Washington to southern California; 

 common in shelf depths, flourishes in the vicinity of outfalls. 



Nothria geophiliformis (Moore) 1903. See Hartman, 1944a, p. 83; 

 Berkeley and Berkeley, 1948, p. 91. Alaska to southern Cali- 

 fornia ; commonly in red sands in shallow depths at its southern 

 range. 



Nothria hiatidentata Moore, 1911. See Hartman, 1960a, p. 100. Off 

 southern California, in basin depths. 



Nothria iridescens (Johnson) 1901. See Hartman, 1944a, p. 87; 

 Berkeley and Berkeley, 1948, p. 93. Western Canada to southern 

 California ; usually in slope depths and in mixed sediments. Inter- 

 grades with Nothria elegans (Johnson). 



Nothria pallida Moore, 1911. See Plate 9. See Hartman, 1960a, p. 100. 

 Southern California in considerable depths to 638 fms, in silts. 



Nothria stigmatis (Treadwell) 1922. See Hartman, 1944a, p. 89. Wash- 

 ington to southern California, in littoral depths; in mixed sedi- 

 ments. 



Nothria stigmatis intermedia Hartman, 1944. San Clemente Island, 

 southern California ; in about 20 fms. 



Nothria stigmatis paradiopatra Hartman, 1944. Central California; 

 intertidal. 



Onuphis cremita Audouin and Milne Edwards, 1833. See Hartman, 

 1944a, p. 75. Western and southern Europe; southern California, 

 in red and brown sands of shallow depths. 



Onuphis eremita parva Berkeley and Berkeley, 1941. Southern Cali- 

 fornia; dredged in 12-17 fms. The varietal name is preoccupied 

 by Onuphis parva Moore, 1911. 



Onuphis litoralis Monro, 1933. See Hartman, 1944a, p. 72. Central 

 California to 83 fms; Galapagos Islands. 



Onuphis microcephala Hartman, 1944. Southern California and western 

 Mexico; North Carolina; littoral to 13 fms. 



Onuphis nebulosa Moore, 1911. See Hartman, 1944a, p. 75. Southern 

 California; in sandy silts and mixed sediments; flourishes near 

 outfalls. 



Onuphis parva Moore, 1911. See Hartman, 1944a, p. 70. Southern Cali- 

 fornia and western Mexico; in shelf depths to 184 fms; in silts. 



