ONYCHOMYS 121 



Miasurements. Total length, 154; tail, 41: hind foot, 2t. Ear 

 from crown, 10. (Merriam, 1. c.) 



d. — pallescens. {Onycfiomys), Merr. N. Am. Faun., No. 3, i8go, p. 61. 



Type locality. Moki Pueblos, Apache county. Arizona. 



Geogr. Distr. Northeastern Arizona. 



Genl. Char. Size large, exceeded only by O. longi/>i\< of Concho 

 county, Texas: ears, feet and tail much as in O. melanophrys ; fur full, 

 long and soft; orbital ring absent or inconspicuous: lanuginous tuft 

 at base of ear well developed. 



Color. Above pale tawny cinnamon, palest anteriorly, and 

 brightest on the flanks and rump, not noticeably mixed with black 

 tipped hairs. Below, white to the roots of hairs. 



Measurenifnts. Total length, 168; head and body. 125; tail, 45: 

 hind foot, 22; ear from crown, 12: from anterior root, 16.5. (Mer- 

 riam, 1. c. ) 



'53' arcticeps. {Onychomys)^ Rhoads, Proc. .Acad. Nat. Scien. Phil.. 

 1898, p. 194. 



Type locality. Clapham. Union county^ New Mexico. 



Geogr. Distr. Northeastern New Mexico. 



Gcnl. Char. Size of O. leucogaster: tail longer; cranium narrow: 

 rostrum, long, slender. Supraorbital bead wanting. Palate with 

 convex edge posteriorly. 



Color. Above ochraceous butt, lined with black; darkest on top 

 of head and about eyes. Black spot on outer margin of ears. Sides, 

 rump and thighs ochraceous buff; beneath tawny white. Tail white, 

 on upper proximal third a narrow stripe of blackish buff. 



.Measurements. Total length, 150: tail vertebras 45: hind foot, 

 21: ear from crown, 11. 



154. longicaudus. (Onychomys), Merr. N. .\m. Faun., No. 2, 1899, 



p. 2. 



Type locality. St. George, Utah. 



Geogr. Distr. Utah, range undetermined. 



Genl. Char. Similar to O. leucogaster, but smaller, with longer 

 and slenderer tail. Pelage longer but not so dense. 



Color. Cinnamon fawn, well mixed with black tipped hairs. 



Measurements. Total length, 145: tail. 55; hind foot, 20; ear 

 from crown, 10. 



155. ramona. {Onychomys), Rhoads, Am. Natur., 1893. p. ^33. 

 Type locality. San Bernardino Valley, California. 



Geogr. Distr. Southeastern California. 



Genl. Char. Larger than O. lorridus, with larger ears. 



