390 



Key to the Phyllobates of lower Central America. 



A. Markings white; no linear markings below. 



B. Tadpole with normal mouthparts; male with normal third finger; no 



complete light streak from groin to above eye. 



C. A light streak from groin to below eye; a dorso-lateral light streak 



from sacrum to above eye, above lateral black band; male with 



black throat; disk of toe I equals }/% disk of toe II; disk of toe V 



equals disk of toe IV; toe V reaching penultimate joint of toe 



IV talamancae. 



CC. No marked light streak from sacrum; at least a trace of a light 

 streak from groin in lateral black band. 

 D. Large (30 mm.); mottled below with gray in both sexes; a trace 

 of groin streak; disk of toe I about equal to disk of toe II. 



kingsburyi. 

 DD. Smaller (21 mm.); white below in both sexes; groin streak prom- 

 inent to middle of side; disk of toe I equals H disk of toe II; 



disk of toe V about equal to disk of toe IV latinasus. 



BB. Tadpole with umbrella mouthparts (much produced lower lip and re- 

 duced labial teeth); male with much swollen third finger; a light 

 streak from groin to above eye, cutting diagonally across black 

 lateral band; disk of toe I equals Yi disk of toe II, disk of toe V 

 equals H disk of toe IV. 

 C. Larger (21 mm.); black fine on thigh; throat and chest of male 

 dark; thigh red in life; toe V reaching penultimate phalanx of toe 



IV nubicola. 



CC. Smaller (17 mm.); hooked mark on thigh; thigh not red in life; 

 male white below; toe V not reaching penultimate phalanx of 



toe IV flotator. 



AA. Markings yellow; linear markings below. 



B. Finger disks equals % diameter of tympanum and twice width of 

 phalanx; finger I longer than finger II; fight lateral streak to below 



eye; maxillary teeth definitely present ; . . . . lugubris. 



BB. Finger disks about equal to tympanum and three times the width of 

 phalanx; finger I much shorter than finger II; light lateral streak 

 to snout; toe I much reduced; no maxillary teeth truncaius. 



Notes on the Phyllobates of lower Central America. 

 Phyllobates talamancae (Cope). 



1875, Jour. Acad. Nat. Sci. Philadelphia (2) 8, p. 102, pi. 23, 

 fig. 6. 



Type. — The type is from Old Harbour, Costa Rica (not in 

 existence). 



It has been seen from Gatun, Panama (Univ. Michigan no. 

 52932), Suretka, Costa Rica (M. C. Z. no. 9813-18, 20-21), and 

 Santa Cecilia, Costa Rica (M. C. Z. no. 7858). 



