Vol. V] TAYLOR— NEW SUBGENUS OF PHENACOMYS \\y 



tional relations are just as much a part of the animal as are 

 its physical characters. They are just as distinctive specifi- 

 cally; and there is no good reason why they should not be 

 accorded just as full treatment. 



B MATERIAL AND ACKNOWLEDGMENTS 



The following specimens constitute the material basis for 

 this study: 



Phenacomys intermedins — Total number, 3. Alberta, head 

 of Smoky River, 2 (U. S. National Museum). British Co- 

 lumbia, South Fork Moose River, 4525 feet, 1 (U. S. Na- 

 tional Museum). 



Phenacomys orophilus — Total number, 17. Washington: 

 Mt. Rainier, 5000 feet, 2 (U. S. National Museum). Mon- 

 tana: Bear Tooth Mountains, 1 (Biol. Surv. Coll.). Idaho: 

 Sawtooth, 2; Salmon River Mountains, 1 (all from Biol. 

 Surv. Coll.). Oregon: Lane County, Three Sisters Moun- 

 tain, North Base, 5000 feet, 1 (Coll. Univ. Oreg. Mus. 

 Dept. Zool.) ; Lane County, Three Sisters Mountain, N. W. 

 slope, 7400 feet alt., 1 (Coll. Oregon Game Department) ; 

 Crook County, Deschutes River, Mouth of Davis Creek, 1 

 (Coll. Oregon Game Department). California: Mt. Shasta, 

 Squaw Creek, alt. 7800 feet, 2 (1, skull only); Mount 

 Shasta, head of Squaw Creek, 1 ; Tuolumne Meadows, 2 ; 

 Mt. Lyell, 2; Mono Pass, 1 (all from Biol. Surv. Coll.); 

 Pyramid Park (=Peak), 1 (Coll. Field Mus. Nat. Hist). 

 Canada: Northwest Territory, Red Deer River, 1 (Coll. 

 Field Mus. Nat. Hist). 



Phenacomys alhipes — Total number, 2. Oregon : Lane 

 County, 2 miles W. of Vida, 1 (Coll. Oregon Game Depart- 

 ment). California: Humboldt Bay, Areata (in redwoods), 

 1 (the type, Biol. Surv. Coll.). 



Phenacomys olympicus — Total number, 9. Washington: 

 Happy Lake, 8; Boulder Lake, 1 (all from Coll. Field Mus. 

 Nat Hist). 



Phenacomys longicaudus — Total number, 37. Oregon : Cbos 

 County, Marshfi'eld, 1 (the type, U. S. National Museum) : 

 Lane County, Meadows, 1 (Biol. Surv. Coll.); Eugene, 4 

 (1 from Biol. Surv. Coll., 3 from Coll. Univ. Oreg. Mus. 



