416 



Elachistocleis ovale (Schneider). 



A single specimen was found in the collection of the CoUegio 

 La Salle in Panama City, and since all their specimens without 

 further data were said to be local, it is here included. It is known 

 from specimens in Vienna to occur at Agua Dulce and Agua 

 Calient e, Panama. 



Rana palmipes Spix. 

 1 have seen a specimen from Toro Point. 



Rana warschewitschii zeteki (Barbour). 



This species is not rare on the Island. I have not heard the 

 note, but eggs were laid in the laboratory November 29 in a mass. 

 I have always found it near water except for one taken July 25 

 in the morning at Snyder-Molino 5. 



Guide to the Identification of Canal Zone Amphibians. 



Order Apoda (Caecilians) . Family Caeciliidae. A single genus, Caedlia. 

 Order Caudata (Salamanders). Family Plethodontidae. A single genus, 



Oedipus. 

 Order Salientia (Frogs). 



Suborder Procoela. Vertebrae uniformly procoelous. 



Family Bufonidae. Shoulder girdle arciferous, coracoids overlapping; 

 digits without an intercalary cartilage; combination of well-devel- 

 oped disks on all digits and webbed toes not occurring in region. 

 Bufo. Sternum cartilaginous; no vomerine or maxillary teeth; terminal 

 phalanges pointed; toes short, mostly enveloped in web; a parotoid 

 gland; eggs laid in water, in strings. 

 Engystomoj)s. Sternum with a bony style; no vomerine or maxillary 

 teeth; terminal phalanges pointed; toes long, with merely a trace of 

 web; a parotoid gland; eggs laid in water, in a mass of froth. 

 Leptodadylus. Sternum with a bony style; vomerine and maxillary 

 teeth present; terminal phalanges pointed; disks not developed; no 

 web; no parotoid gland; eggs in a mass of froth. 

 Lithodytes. Sternum with a bony style; vomerine and maxillary teeth 

 present; terminal phalanges T-shaped; disks developed, undivided 

 above; no web; no parotoid gland. 

 Eleutherodactylus. Sternum cartilaginous, without style; vomerine and 

 maxillary teeth present; terminal phalanges T-shaped; digital 

 disks undivided above, not well developed on all digits; toes often 

 webbed at base; no parotoid gland; eggs laid on land; no tadpole 

 stage. 

 Family BrachycephaUdae. Shoulder girdle firmisternal, coracoids 



