+ CHIRONECTES. MARMOSA. 
Measurements. Total length, 720; tail, 395; hind foot, 72. Skull: 
occipito-nasal length, 53; Hensel, 48; zygomatic width, 30; inter- 
orbital constriction, 7; palatal length (palatal arch to alveoli of incis- 
ors), 31; length of upper molar series, 19; length of mandible to.tips 
of incisors from angle, 43. 
2. Marmosa. 
aa C.—; es M.— = 50. 
Marmosa Gray, Lond. Med. Repos., xv, 1821, p. 308. Type 
Didelphis! murina, Linneus. 
—- 
mn 
val 
Fig. 2. MARMOSA CHAPMANI. TRINIDAD. 
No. 5499 Field Columbian Mus. Coll. Enlarged % 
