MAMMALS <>F THE MEXICAN BOUNDARY. 



4iy 



This mouse lives principally in thickets surrounding rocks and 

 cliffs, li is chiefly nocturnal, bui was sometimes taken in traps dur- 

 ing the day. Pregnant females taken at Mosquito Springs, May 18, 

 Huachuca Mountains, Augusl -1 and 30, and Nfogales, October 26, 

 contained, respectively, 3, 2, and 3 fetuses. A female was suckling 

 her young on June 27 in the San Luis Mountains. 



Record and measuremt nts of t '', speciwu ns of Peromyscus boylii pinalis. 



Museum i 

 ber. 



21127 

 21117 



21114 

 21129 

 21125 



21122 

 21131 



21123 

 20752 



20623 



20636 



20630 

 2062] 



20631 

 20632 

 20639 

 •jut;;; 

 20634 

 20635 

 2064] 

 206 9 

 20638 

 20640 

 20712 

 20716 

 20715 

 2071] 

 20713 

 20714 

 'J 17 1 7 

 20704 



No 



37201 

 37194 

 37073 



37074 

 37075 



37076 



37:117 



:;:,7s2 



35776 

 35775 

 :;."i777 

 35778 

 35785 

 35783 

 35780 

 35781 

 35787 

 skull. 

 35784 

 35786 

 35826 

 35830 

 358 19 

 35825 

 35827 

 35828 

 35831 



806 



S07 

 808 

 809 

 810 

 815 

 816 

 SI 7 

 818 

 819 

 820 

 824 

 vi ; 



s:-,o 

 83] 

 832 

 833 

 836 



Locality. 



I 1.1 tr. 



Sox and 

 age. 



1815 



|s:;_> 

 1911 



L921 



2010 



2013 



2114 



1892 



Mosquito Springs, Chiliauhua. May 18 

 near Monument No. 46. 



llaehita Grande, Grant < lounty, May 22 

 New Mexico, near Monument 



No. -15. 



do May 25 



.do 



June 3 

 June 24 



San Francisco Canyon, east side 

 of San Luis Mountains, near 

 Whitewater, Chihuahua, Mex- 

 ico, near Monument No. 64. 



do I line 27 



July li 



San Luis Canyon, west side of 



San Luis Mountains, near 

 Monument No. 66. 



do 



San Jose Mountain, Sonora, 

 near Monument No. 93. 



La Noria, near Monument No. 



Ill, on Santa Cruz River 

 (camp just south of Mexico 

 Line). 



Patagonia Mountains, Sonora, 

 near Monument No. 112. 



do 



do 



do 



do 



do. 



do 



do 



do 



do 



do 



.... do 



do 



.. .do 



.do 



.do 



do 



.do 



•lo 



.do 



Julj 

 Oct. 



Nov. Hi 



...do... 



.. .do . .. 

 Nov. 17 

 ...do... 

 ...do... 

 Nov. is 

 ...do... 

 ...do.. 

 ...do... 



...do... 

 ...do... 



Nov. 10 

 Nov. 20 

 Nov. 2] 

 ...do... 

 ...do... 



do... 

 ...do... 



do 



.do Nov. 22 



j ad. 

 fad. 



9 ad. 

 cf ad. 



i ' ad. 



9 ad. 

 9 ad. 



f ad. 

 ' ad. 



o*juv. 



&cf ad. 



fad. 

 ' ad. 

 fad. 



' '"'• 



5 : "'' 

 ' ad. 

 r juv. 

 5 juv. 

 / ad, 

 ■ / ad 

 , : "' 



r im. 



j im. 



$> im. 



/ im. 

 «9 ad. 



' im. 

 i r aA 



<j ad. 



196 

 202 



198 

 195 



204 



200 



200 



is;! 

 192 

 170 

 177 

 207 

 is.", 

 175 

 17,7 



195 

 175 

 180 

 iso 

 176 



nnv. mm. mm. 

 I'll.", 107 22.11 



195 100 21.0 



103 



1 1 1 



21.11 

 21.0 

 21.7, 



Hi7 23.0 



111 2l.il 



100 21.0 

 111 22.0 



22.U 



ins 

 on 

 101 

 93 

 07 

 L16 

 in:, 

 93 

 S2 



a Head and body, 93. & Head and body, 88, c Head and body, 97, 



192 

 <J Head 



21.0 

 22.11 

 21.0 



20.5 



21.0 

 21.0 

 21.0 

 21.11 

 211.7, 

 22.0 

 21.0 



m:, 

 21.0 

 20.0 



21.7, 



io. :, 



20.0 



ins 21.0 



. . . . 21).;, 



109 21.0 

 and bodj , 



mi 

 93 



•in 

 in:, 

 n| 



in in 



20.11 



11.0 

 10.0 

 I 1.0 



L5.0 



1 2. 5 

 21.0 



18.0 



18.0 



iao 



17.0 

 17.7, 

 10. 

 17.0 

 17.0 

 I7.il 

 18.0 

 17.7, 

 17.0 



15 

 10.0 



II',..-, 



15.0 



16 o 



in. ii 



95. 



