191f>.] natural sciences of philadelphia. 107 



Pedro Miguel. 



Rhamdia montaguensis ((.anther). 

 One example, 145 mm. 



Piabucina panamensis c sill. 



Three, 93 to 105 mm. Active and difficult to secure. 



Astyanax mexicanus (Filippi). 



Four examples, 67 to 72 mm. 



Poeciliopsis retropinna (Regan). 



One example, a female, 30 mm. long. 



Bufo marinus (Linne). 



One, 45 mm. long, measured from snout to vent, with three ticks 

 on its back. 



Bufo typhonius (I.inn6). 



Two small examples which agree with Ecuador material. Length 

 31 and 32 mm. from snout tip to vent. 



Leptodactylus caliginosus (Girard). 



Vomerine teeth in two closely approximated areas. Eye half 

 length of snout. Nostril near first third in snout length. Tym- 

 panum | of eye. Skin smooth, except hind femoral region posteri- 

 orly, which granular. Slight fold extends from shoulder to groin. 

 Color in alcohol gray-brown generally. Broad blackish triangle 

 between eyes. Black band from each side of snout back, including 

 eye and tympanum, to shoulder, and posteriorly continued as several 

 disconnected black spots. On each side of back, from above tym- 

 panum to groin above, black band. Middle of back with lengthwise 

 blackish blotches forming two distinct series on pelvic region. Groin 

 olive-yellow, with few dark cloudings. Fore limbs marbled with 

 dusky, forming a large blotch at and behind elbow. Hind limbs 

 mottled in more contrast with dusky, femoral and tibial region- 

 with several broad dark blotches as cross-bars. Tarsi and metatarsi 

 dusky, outer surfaces mottled or blotched with darker. Under 

 surface whiti-h, lips mottled with grayish. Length 86 and 91 nam., 

 measured from snout tip to vent. Locality given as Corozal. 



Iguana tuberculata Laurenti. 



Two young examples, 247 and 251 mm. 



Basiliscus basiliscus (Linne). 



A female, containing eggs. Length 107 mm. 



