THE 
BATRACHIANS OF EGYPT. 
BATRACHIA ECAUDATA. 
Suborder PHANEROGLOSSA. 
Series A. FIRMISTEENIA. 
RANID^. 
SANA. 
Rana, Linn. Syst. Nat. i. 1766, p. 354; Blgr. Cat. Batr. Sal. B. M. 1882, p. 6. 
Tongue free, deeply emarginate posteriorly ; vomerine teeth present. Pupil hori- 
zontal ; tympanum distinct or hidden by the skin ; glandular folds present or absent ; 
fingers free ; toes more or less webbed, tips simple or dilated ; external metatarsi 
webbed to the base ; terminal phalanges elongate, acute, with or without transverse 
dilatations ; omosternum and sternum with a long bony style. 
Rana esculenta, Linn. 
Rana esculenta, Linn. Syst. Nat. i. 1766, p. 357; Miiller, Verh. nat. Ges. Basel, vii. 1882, p. 129. 
Vomerine teeth in two nearly transverse rows between the choana? ; snout variable, 
more or less triangular or rounded; tympanum distinct, nearly as large as the eye; 
upper eyelid broader than the space between the eyes J skin' smooth or with small 
warts ; a well-developed lateral glandular fold, with additional short narrow glandular 
folds in some ; hind limbs moderately long, variable, the tibio-tarsal joint reaching to 
near the snout ; tibia as long as, or even considerably shorter than, the foot measured 
from the outer metatarsal tubercle ; fingers moderately long, the first slightly longer 
than the second ; toes broadly webbed ; subarticular tubercles of digits well developed ; 
outer metatarsal tubercle small, occasionally very feebly developed ; inner metatarsal 
tubercle very variable, small or prominent, blunt or strongly compressed, shovel- 
shaped. 
2 r 
