Mammols /'ro))i the Loicer Amazon. 89 



The ineasuremciits of tlie present specimen are as follows : — 

 lload and body 189 mm. ; tail 236 ; hind foot 37; ear IG. 



Fiiiiilein Snethlage is to be congratulated on her rediscovery 

 of this rare and interesting animal. 



Proechimt/s oris, Thos. 



(J. 7, 13, 15; ? . 6. Boim {Dr. Snethlage). 



? . 18. Fazenda Paraizo, Faro {0. Martins). 



<J. 21. Benevides, E.F.B., near Para. 



The Boim specimens are mostly more brightly rufous than 

 is usual in Para examples, but no. 6 is quite of the normal 

 colour. 



Froechimys goeldii, Thos. 



S . 19. Fazenrla Paraizo, Faro {0. Martins). 



'IMiis rare species muy be recognized externally by its 

 l)rown feet, the more bowed and heavier shape of the skull, 

 and the extra laminae in its teeth. 



Besides the type the British Museum contains two separate 

 skulls, also from Santarem, received from Dr. Goeldi, but the 

 present is the first properly prepared skin that I have had 

 the opportunity of seeing. Its hind foot measures 50 mm. 



Bradypus tridactyhis, L. 

 ? . 6, 15. Faro. 



Tamandaa tetradactyla, L. 

 Two specimens. 



Peramys americanus, Miill. 

 (^ . 24, Benevides^ E.F.B., near Para. 



Peramys emilice, sp. n. 



(J. 4, 11; ?. 12. Boim, R. Tapajoz {Fraulein Sneth- 

 lage) . 



Coloration somewhat as in P. scalops, but belly paler. 

 Teeth larger. 



General appearance about as in P. scalops, the upper sur- 

 face similarly grey (" mouse-grey "), turning to rufous on 

 face and rump. Under surface dull pinkish buff, not sharply 

 defined laterally, the hairs buflfy to their roots; but this 

 colour in two out of the three specimens is overlaid by 



