116 RANID&. 
of the upper eyelids, and extending from the eye, over the tympa- 
num, to the shoulder. Upper parts brown, marbled with darker ; 
upper lip and sides of body and limbs with small light spots ; hind 
limbs cross-barred; uniform whitish beneath. Male with two in- 
ternal vocal sacs. 
The longer hind limbs and the smaller head give this species a 
much more slender appearance than the preceding ; the proportions 
of the fingers are also important differences between the two 
species. 
Ceylon. 
a-b. 3. Ceylon. G. H. K. Thwaites, Esq. [P.]. 
10. ARTHROLEPTIS. 
Arthroleptis, Smith, Ill. S. Afr., Rept., App. p. 24; Gtinth. Cat. 
p. 135; Cope, Nat. Hist, Rev. 1865, p. 115. 
? Heteroglossa, Hallow. Proc. Ac. Philad. 1857, p. 64; Giinth. 1. e. 
p. 26 5° Cope, tl. cp. 117. 
Hemimantis, Peters, Mon. Berl. Ac. 1863, p. 451; Cope, 1. c. p. 115. 
Pupil horizontal. Tongue heart-shaped, free behind. Vomerine 
teeth none. Tympanum distinct or hidden. Fingers free; toes 
nearly free, with blunt or slightly dilated tips. Outer metatarsals 
united. Omosternum and sternum with a bony style. Terminal 
phalanges simple. 
Africa. 
Synopsis of the Species. 
I. Toes very slightly webbed, nearly free. 
A. Skin smooth above. 
A single metatarsal tubercle............ 1. wahlbergit, p. 117. 
A single metatarsal tubercle; third finger 
iwece as long as second 2.2. eae are 3. macrodactylus,p.117. 
Two metatarsal tubercles; tympanum 
Inidden, #3 ss cn a ee ee eee 5. boettgeri, p. 118. 
A tarsal and two metatarsal tubercles .... 4. dispar, p. 117. 
B. Skin with tubercles or warts above. 
A single metatarsal tubercle; a fold along 
fhe sides of the body. ss.et-nriser eee 2. pecilonotus, p. 117. 
Three metatarsal tubercles; a spine-like 
dermal appendage on the hind part of 
CAC OVCUG ccc. ch nes ee ES 6. calcaratus, p. 118. 
Head distinctly broader than the body.... 7. horridus, p. 118. 
Il. Toes very distinctly webbed. 
Head nearly as long as the body; belly 
BMOOUN! os. as. swe oes ce as eee 8. africanus, p. 119. 
