1908.] Al/<n, Mammals from Nicaragua. 649 



11. Tatu novemcinctus (Linncpus). Two specimens, an adult male, 

 Lavala, Oct. 19, 1907, and a younger specimen (label lost). 



12. Mazama tema Rafinesque. Five specimens, an adult and two 

 young males and two adult females, all taken at Tuma, Nov. 28-Dec. 8, 1907. 



13. Lepus floridanus chiapensis XcJson. Three specimens: Leon, 

 May 1, 1907; Chontales, Feb. 13, 1908; Ocotal, May 9, 1908. 



These specimens differ from L.f. aztecus in the same manner as chiapensis 

 is said to differ, but the dorsal surface is apparently more heavily washed 

 with black than in chiapensis. 



14. Lepus gabbi tumacus subsp. nov. 



Type, No. 28409, adult d\ Tuma, Nicaragua, Dec. 2, 1907; W. B. Richardson. 



Similar in size and cranial characters to L. gabbi, but coloration much deeper 

 throughout; rufous of feet and limbs much more intense, and soles of feet much 

 darker; ears darker and whole dorsal surface much more heavily varied with black, 

 which is the predominant color of the whole dorsal area. 



Represented by two specimens, the type, from Tuma, and another speci- 

 men from Ocotal, May 11, 1908. Both are adult males, and the collector's 

 measurements are respectively as follows: total length, 360 and 340 mm.; 

 hind foot, 68 and 70. Skulls, occipitonasal length, 69 (type), 66; zygomatic 

 breadth, 32 (type), 31.6. 



15. Dasyprocta punctata Gray. Four specimens: Matagalpa, May 

 14, male, and Sept. 26, juv., 1907; Lavala, male and female, Oct. 7 and 19, 

 1907. 



16. Coendu mexicanus (Kcrr). Three specimens: male, Volcan de 

 Chinandega, May 10, 1907; female, Chontales, Feb. 18; female, Ocotal, 

 May 1, 1908. The collector's measurements are 



28334 cT Total length, 790; tail vertebrae, 370; hind foot,*70 

 28485 9 " " 680; " " 300; " " 60 



28484 $ " " 870; " " 400; " " 80 



17. Proechimys centralis (Thomas). Twelve specimens: Rio Grande, 

 March 20-April 4, 1908. 



Hoplomys 1 gen. nov. 



Type, Hoplomys truei sp. nov. 



External characters in general as in Proechimys, but the spines much coarser 

 and stronger. Molariform teeth with four transverse furrows instead of three as 

 in Proechimys, deeper and longer, and those of the maxillary teeth much more 

 oblique. (Figs. 1-4.) 



1 oir\a, arms, armor, |ivs, mouse; in allusion to the spiney covering. 



