118 PROCEEDINGS: BOSTON SOCIETY NATURAL HISTORY. 
Order INSECTIVORA. 
Family SORICIDAE. 
Genus SOREX Linnaeus. 
257. Sorex longicauda elassodon Osgood. 
1901. Sorex longicauda elassodon Osgood, North Amer. 
fauna, no. 21, p. 35. September 26, 1901. 
Type locality.— Cumshewa Inlet, Moresby Island, Queen 
Charlotte Islands, British Columbia, Canada. 
258. Sorex longicauda prevostensis Osgood. 
1901. Sorex longicauda prevostensis Osgood, North Amer. 
fauna, no. 21, p. 35. September 26, 1901. 
Type locality. — Prevost Island, Queen Charlotte Islands, 
British Columbia, Canada. 
259. Sorex tenellus lyelli Merriam. 
1902. Sorex tenellus lyelli Merriam, Proc. biol. soc. Wash¬ 
ington, xv, p. 75. March 22, 1902. 
Type locality.— Mt. Lyell, Tuolumne County, California. 
260. Sorex tenellus myops Merriam. 
1902. Sorex tenellus myops Merriam, Proc. biol. soc. Wash¬ 
ington, xv, p. 76. March 22, 1902. 
Type locality.— White Mountains, Mono County, California. 
Subgenus Microsorex Coues, p. 242, is regarded as a genus by 
Elliot (Field Columbian mus., publication 45, zool. ser., ii, p. 377, 
March, 1901), but retained as a subgenus by Osgood (North 
Amer. fauna, no. 21, p. 71, September 26, 1901) and Preble (North 
Amer. fauna, no. 22, p. 72, October 31, 1902). 
261. Sorex alnorum Preble. 
1902. Sorex ( Microsorex ) alnorum Preble, North Amer. 
fauna, no. 22, p. 72. October 31, 1902. 
Type locality. — Robinson Portage, Keewatin, Canada. 
