312 BR. KNUD AXDERSEX OX BATS. [A.pr. 7, 



b^. Average length of skull 27'8 mm. ; 

 average zygomatic width l&S. Aver- 

 age length of forearm 57'7. (Trini- 

 dad, Tobago.) A.p. trinitatis, p. 241. 



fi^. Average length of skull 28-9 mm. ; 

 average zj'gomatic width 18. Aver- 

 age length of forearm 59"4. (Gren- 

 ada.) A. f. grenadensis, p. 241.. 



S5. Verj' large. Length of skull (to front 

 of c) 29-5-33 mm. ; zj'gomatic width 

 18-3-20-8 ; upper teeth (c-m^) 10-4-12. 

 Forearm 62-8-73. (Guiana, Para, 



Lower Orinoco.) A.p.fallax, p. 242. 



l'^. Tibia and interfemoral densely haired 

 above ; colour of fur of upper side in 

 adults drab with a silvery tinge. Upper 

 teeth (c-m2) 9-5-10-4 mm.; forearm 



53-7-59-7 mm. (Mexico.) A. liirsutus, p. 245. 



62. Molars f. 



c?. Large : forearm 54-76 mm A. jamaicensis, p . 247. 



c*. Smaller races : length of skull (to front 

 of c) 26-30 mm.; forearm 54^66 mm. 

 Angular notch in hinder border of wfi, 

 between cusps 5 and 7 (place of lost m^), 

 as a rule distinct, rarely quite obliterated ; 

 darker colour phase predominant ; facial 

 stripes as a rule wanting or faint, rarely 

 strongly developed. (Northern races : 

 Greater Antilles, as far east as St. Kitts ; 

 S. Mexico, C. America ; extending to 

 Colombia and Ecuador.) 

 c^. Average : length of skull (to front of c) 

 26*9 mm. ; upper teeth (c-m^) 9-7 ; 



f oreann 56-8. (Cuba.) A.j. parvipes, p. 261. 



#. Average : length of skull 27-4 mm. ; 

 upper teeth 99 ; forearm 59-6. (Yuca- 

 tan, Belize.) A.J. yucatanicus, p. 263.. 



e^. Average : length of skull 28-3 mm. ; 

 upper teeth 10-3; forearm 60-1. 

 (Greater Antilles, except Cuba, as far 

 east as St. Kitts ; Caribbean Islands ; 



S. Mexico, except Yucatan ; C.America.) A. J. Jamaicensis, p. 265. 

 f^. Average : length of skull 29-7 mm. ; 

 upper teeth 11 ; forearm 62*9. (Ecua- 

 dor, Colombia.) A.J. wqnatorialis, p. 270.. 



d"^. Larger races : length of skull (to front 

 of c) 29-5-34 mm. ; forearm 60-76 mm. 

 Angular notch in hinder border of m-, 

 between cusps 5 and 7 (place of lost nv^), 

 as a rule reduced or obliterated, rarely 

 perfectly preserved ; lighter colour phase 

 predominant ; facial stripes distinctl}' or 

 strongly developed, rarely wanting. 

 (Southern races : S. America, extending 

 to S. Mexico ; from Trinidad to Guade- 

 loupe ; unrepresented in the Greater 

 Antilles.) 

 g^. Averaging larger .- forearm 64-76 mm. 



(S. America, extending to S. Mexico; f ^.y. Uturatiis, p. 272. 



Trinidad and St. Vincent.) \ A.J. pahnarum* p. 278. 



A5. Averaging smaller : forearm 60-66-2 mm. 



(Dominica, Guadeloupe.) A.J. praceps, p. 283. 



d^. Small : forearm 37-2-43-8 mm. 



e"*. Forearm 43'8 mm. ; third metacarpal 



39-4 mm. (Peru.) A. glaiiciis, p. 285. 



/-*. Forearm 37-2-40-5 mm. ; third metacarpal 



33-7-36-2 mm. (C.America.) A. ivatsoni,-p.2SS. 



* Pi-actically indistinguishable from A.J. lituratus. 



