944 CYSTIGNATHIDA. 
hind limb being carried forwards along the body, the tibio-tarsal 
articulation reaches between the eye and the nostril. Skin smooth, 
a narrow glandular lateral fold from the eye to the groin; a ventral 
disk. Brown above, immaculate or with dark regular spots ; a light- 
edged crescent-shaped band between the eyes; a dark-brown stripe 
along the canthus rostralis and on the temporal region ; limbs cross- 
barred; hinder side of thighs dark brown, with a more or less 
distinct longitudinal white stripe. Male with internal vocal sacs ; 
pre without spine-bearing tubercles. 
E. 8S. America. 
TB ey oe Demerara Falls. 
c-d,e. 3 Q. Surinam. Hy, A, Kappler [C.]. 
Hire Ds Interior of Brazil. 
11. Leptodactylus mystacinus. 
Cystignathus schomburgkii, Giinth. Cat. p. 29. 
Cy stignathus mystacinus, Burmeister, Reise La rile li. p. 552. 
mystaceus, Hensel, Arch, f. Naturg. 1867, p. 12! 
Leptodactylus wuchereri, Espada, Viaj. Pacif., erie p. 68. 
Tongue oval, indistinctly nicked behind. Vomerine teeth in two 
slightly arched series behind the choanz. Snout rounded, slightly 
prominent, longer than the greatest orbital diameter ; nostril nearer 
the tip of the snout than the eye ; interorbital space narrower than 
the upper eyelid; tympanum two thirds the width of the eye. 
Fingers moderate, first longer than second; toes moderate, not dis- 
tinctly fringed ; subarticular tubercles moderate ; two small meta- 
tarsal tubercles. The hind limb being carried forwards along the 
body, the tibio-tarsal articulation reaches the tympanum. Skin 
smooth, distinctly porous on the back and on the upper surface of the 
thighs, calves, and tarsi ; sides with large oval or rounded glandules ; 
afold above the tympanum ; a ventral discoidal fold. Brown or olive 
above ; upper lip dark brown; a dark-brown stripe from the tip of 
the snout along the canthus rostralis through the eye to the tym- 
panum ; another dark-brown stripe on each side of the back ; afew 
blackish spots on the flanks and on the hind part of the back; hind 
limbs regularly cross-barred. Male without external vocal sacs. 
EK. 8. America. 
Gar Parana. Berlin Museum. 
bh 2 Brazil. Leyden Museum. 
c-Hors Soriano, Uruguay. — Havers, Esq. [P.]. 
12. Leptodactylus microtis. 
Cystignathus microtis, Cope, Proc, Amer. Philos. Soc, xviii. 1879, 
p. IGD, 
Vomerine tecth in two short series behind the choanee. Snout 
not elongate, without canthus rostralis; tympanum two fifths the 
