THE OREGON NATURALIST. 



pid smaller than the fourth. Color, — Upper 

 parts dark brown, varying to almost russet; 

 under parts ashy. Tail dusky above, pale be- 

 low. 



Cranial and dental characters. — Skull nor- 

 mal, presenting no marked peculiarities and 

 measuring about 17 mm. in greatest length by 

 8 mm. in greatest breadth, this being the small- 

 est of the Northwest Shrews. Interpterygoid 

 fossa, rather broad and short, 



Measurements, — Average of 20 apecimens 

 from Aberdeen, Wash, total length 103 mm., 

 tail vertebrte 43 mm., hind foot 1 2. 3 mm. 



Remarks. — Sorex bairdi is the common 

 small shrew of the Northwest coast. Speci- 

 mens were examined from the following local- 

 ities in Oregon, Salem, Oregon City, Sheridan, 

 Gold Beach, Port Orford, Florence and Fort 

 Klamath. 



SOREX BAIRDII, Sp nov. 



General characters, — Size rather large; tail 

 long; color dull brownish chestnut. Color, — 

 Upper parts, dull dark chestnut brown, under 

 parts, dull chestnut brown (similar to back but 

 lacking the admixture of black-tipped hairs) . 



Tail bi-color; dark brown almost dusky above 

 flesh color or pale buffy brownish below. 



Cranial and dental characters. — Skull 

 20 mm. in length and 9 mm. in breadth. 



First and second unicuspid very large and 

 broad differing markedly from any known 

 species. 



Measurements. — Total length 129 mm. 

 tail vertebra; 57 mm. hind foot 15. 1 mm. 



Geographical distribution, restricted so far as 

 known to the coast near Astoria. 



SOREX TROWBRiDGii, Baird. 



General characters, — Size rather large, tail 

 long, ears conspiuous, color dark slate or sooty 

 plumbeus, with no brownish or chestnut. 



Color, — Upper parts blackish slate or sooty 

 plumbeus. Tail sharply bicolor, blackish above 

 whitish beneath; feet; flesh color. 



Measurements. — Total length, 121 mm. 

 Tail vertebras 57.7 mm. Hind foot 13 mm. 



Specimens were examined from the following 



localities in Oregon, Astoria Beaverton, Ya- 

 quina Bay, Marshfield and Siskiyou. 



SOREX PACiFicus, Baird, 



General characters. — .Size, largest of the 

 long tailed shrews of the restricted genus Soxex. 



Color, unique cinnamon rufus. Ears, con- 

 spicuous. Hind foot large. Tail about equal 

 to body without he.id. 



Color in summer, pelage uniform cinnamon 

 rufus above and below; in winter, pelage every- 

 where darker, the upper parts darkened by 

 dnrk-tipped hairs. 



Measurements. — Total length 150 mm. 

 Tail vertrebrie 63 mm. Hind foot 17 mm. 



Specimens were examined from the following 

 localities in Oregon, Yaquina Bay, Umpqua 

 River, Marshfield and Myrtle Point. 



SOREX (atophyrax) bendirii, Merriam. 



General characters, — Size, large. Tail, 

 long, coloration, uniform sooty or sooty-brown, 

 sometimes paler below, 



Color. — Dull sooty blumbeus changing in 

 worn pelage to sooty brown, faintly paler on 

 under parts. Tail, dusky all round. 



Measurements. — Type specimen (measur- 

 ed from alcohol in good condition ). Total 

 length 150 mm. Tail vertebrce 68 mm. Hmd 

 foot 20 mm. Of twenty-one specimnns exam- 

 ined only one (the type specimen) was from 

 Oregon; it having been collected in Klamath 

 Basin. 



SOREX (atophyrax) BENDIRII PAI.MERI. 



General characters. Similar to S bendirii, 

 but larger, blacker, skull heavier. 



Color. — Upper parts, glossy black chang- 

 ing gradually to sooty plumbeus on under parts. 

 Tail dusky all round. The black of the upper 

 parts is less pure on the head and shoulders 

 than the brownish subapical part of the fur. 



Measurements. — Total length 165 mm. 

 Tail vertrebrae 73 mm. Hind foot 20 mm. 



Only three specimens examined, one each 

 from Astoria, Beaverton and O'egon City. 



B, J. B. 



