10 ALLAN HANCOCK PACIFIC EXPEDITIONS VOL. 25 



Family Polyodontidae 



Panthalis mortenseni (Monro) 1928. See Hartman, 1939, p. 87. Pacific 



Panama to southern California, in San Pedro channel in 27-44 



fms; in compact sandy silt. 

 Panthalis pacifica Treadwell, 1914. See Hartman, 1939, p. 87. Southern 



California, in shelf and slope depths ; silty bottoms. 

 Peisidice aspera Johnson, 1897. See Berkeley and Berkeley, 1948, p. 24. 



Northeastern Pacific Ocean south to San Diego, California; 



intertidal to slope depths ; in rocky habitats. 

 Polyodontes panamensis (Chamberlin) 1919. See Hartman, 1939, p. 84. 



Pacific Panama to southern California ; in silty bottoms. 



Family Sigalionidae 



Leanira alba Moore, 1910. See Hartman, 1960a, p. 82. Southern Cali- 

 fornia, near San Diego, in depths of about 650 fms. 



Leanira areolata Mcintosh, 1885. See Moore, 1910, p. 391. Japan and 

 California to western Mexico, in depths to 971 fms. 



Leanira calcis Hartman, 1960a, p. 82. San Nicolas basin, southern Cali- 

 fornia, in 866 fms. 



Leanira fimbriarum Hartman, 1939. Southern California to western 

 Mexico, shallow bottoms to 60 fms. 



Pholo'e glabra, new species. See below. 



Psammolyce spinosa Hartman, 1939. Southern California and western 

 Mexico, in about 46 fms, sands. 



Sthenelais fusca Johnson, 1897. See Hartman, 1939, p. 61. Washington 

 south to southern California ; intertidal and in shallow dredgings, 

 especially among eel grass roots. 



Sthenelais tertiaglabra Moore, 1910. See Berkeley and Berkeley, 1948, 

 p. 23, as Sthenelais articulata. Western Canada to southern Cali- 

 fornia ; common in mixed sediments of shelf and slope depths. 



Sthenelais verruculosa Johnson, 1897. See Hartman, 1939, p. 62. Western 

 Canada to western Mexico, in shallow bottoms to 50 fms. 



Sthenelanella uniformis Moore, 1910. See below. Hartman, 1939, p. 69. 

 Southern California to Ecuador, in shelf to slope depths, in mixed 

 sediments. Sthenelanella atypica Berkeley and Berkeley, 1941, 

 from southern California, is perhaps the same. See below. 



Thalenessa spinosa (Hartman) 1939. Southern California, in shelf 

 depths, common in muddy to mixed sediments. 



