::uO MICROTUS. 



Microtus ansterus Elliot, Syn. X. Am. Mamm., F. C. M. Pub., ii, 

 igoi, p. 196, fig. 40. Zool. Ser. Id. Check-L. Mamm. N. Amer. 

 Cont. & W. Indies, F. C. M. Pub., vi, 1905, p. 248. Zool. Ser.' 

 Prairie Meadow Vole. 



1-6. Adult d" Coll. Alva, Oklahoma Territory. T. Surber. 

 7-13. Adult 9 Coll. Alva, Oklahoma Territory. T. Surber. 

 14-15. Adult (3^ P. Knoxville, Iowa. G. K. Cherrie. 



16. Adult — P. Knoxville, Iowa. G. K. Cherrie. 



17. Adult c? Exch. Lawrence, Kansas. Am. Mus. Nat. Hist. 

 N. Y. L. L. Dyche. 



18-20. Juv. d^ P. Lawrence, Kansas. J. Rowley. 



21. Juv. ? P. Lawrence, Kansas. J. Rowley. 



22. Adult d^ Exch. Fort Snelling, Minnesota. Am. Mus. Nat. 

 Hist. N. Y. E. A. Mearns. 



23. Adult 9 Exch. Fort Snelling, Minnesota. Am. Mus. Nat. 

 Hist. N.Y. E. A. Mearns. 



24. Juv. d* Exch. Fort Snelling, Minnesota. Am. Mus. Nat. 

 Hist. N. Y. E. A. Mearns. 



501. Microtus minor (Merriam). 



Arvicola anstcnis! iii'uwr Merr., Amer. Nat., xxii, 1888, p. 598. 

 Microtus minor Elliot, Syn. N. Am. Mamm., F. C. M. Pub., 11, 

 1901, p. 197. Zool. Ser. Id. Check-L. Mamm. N. Amer. Cont. 

 & W. Indies, F. C. M. Pub., vi, 1905, p. 248. Zool. Ser. 

 Least Upland Meadow Vole. 



1-5. Adult c" P. Red Deer River, Alberta, Canada. G. F. 

 Dil)pie. 

 6. Adult 9 P. Red Deer River, Alberta, Canada. G. F. 

 Dippie. 

 7-9. Juv. — P. Red Deer River, Alberta, Canada. G. F. Dippie. 



10. Adult 6" Coll. Minot, North Dakota. W. E. Snyder, 

 ri. Adult 9 Coll. Minot, North Dakota. W. E. Snyder. 



12. Adult d^ Coll. Jamestown, North Dakota. W. E. Snyder. 



13. Adult 9 Coll. Jamestown, North Dakota. W.E.Snyder. 



14. Adult 9 Coll. Minnewaukon, North Dakota. W.E.Snyder. 



Subgenus D. Pity my s. 



502. Microtus pinetorum (LeConte). 



Psanwiomys pinetorum Le Conte, Ann. N. Y. Lye. Nat. Hist., in, 



1830, p. 133, pi. II. 

 Microtus pinetorum Elliot, Syn. N. Am. Mamm., F. C. M. Pub., 



11, i9oi,p. 198, fig. 41. Zool. Ser. /i. Check-L. Mamm. N. 

 Amer. Cont. & W.Indies, F.C. M. Pub., vi, 1905, p. 249. Zool. Ser. 



