OCR Text |
Show 1"°'*] MUR1D.E FROM CENTRAL PERU. 45/ to that species. It should, however, be noted that there is in the Museum collection a species, represented by three specimens, agreeing externally quite as well as these with Mr. Tomes's description, but whose skull is wholly different, and proves it to belong to the subgenus Oryzomys. To which of these two species therefore the name caliginosus is really referable is a question which can only be settled by an examination of Mr. Tomes's type. 11. * HESPEROMYS (HABROTHRIX) XANTHORHINUS, Waterh. a to c Three specimens. Junin. andbodv Tail* Hind foot. Forearm Ear- Muzzle ana body. and hand. conch. to ear. "* 8 76 57 17*8 22*6 10*5 20*0 b- o* 75 57 17*7 21*8 11*5 20*5 c- 2 73 57 17*7 21*3 120 19-4 This is the most northern locality yet recorded for H. xanthorhinus, which has been hitherto only obtained from Chili and Southern Patagonia. 12. *RHEITHRODON PICTUS, sp. n. (Plate XLIII. fig. 2.) a to k. Eleven specimens. All from Junin. Head Tail Hind Forearm Ear- Muzzle and body. foot, and hand. conch. to ear. «• 2 121 91 25*1 34*0 21*4 29*9 o- 2 109 89 24*1 29*7 195 28*5 c- 8 109 88 24*3 31*0 18*3 280 d. 8 108 91 26*6 33*0 18*3 26*6 <*• 8 108 90 24*9 31*6 18*8 27*8 /• 8 107 90 25*4 29*9 20*4 26*6 9-8 103 91 25*4 30 6 19*0 27*9 h. 8 102 82 25*3 29*4 19*3 25*4 i- 8 (c)lOO1 75 24*1 29*0 18*8 - Skull-dimensions. Total Basal Zygomatic Molar Inc. to length. length. breadth. series. m1. Ofi. 8 .... 28*0 26*5 17*0 5*6 74 Palatal Palatal Interorbital Basal Lower lengtb. foramen, constriction. axis. jaw. 14*7 7*0 4*1 8*6 17-2 Fur long, soft and silky, with very numerous longer black or grey hairs intermixed. Upper side of head and neck clear grey, the hairs slate-coloured for seven eighths of their length, then whitish, with their extreme tips black. This grey gradually becomes darker and more grizzled on the shoulders, while on the back the white of the hairs gradually becomes more and more rufous until the rump is 1 Skull out. |