950 CYSLIGNATHID A. 
Plectromantis wagneri. 
Plectromantis wagneri, Peters, /. ¢. 
Vomerine teeth in two arched series behind the choane. Snout 
rounded, rather prominent ; nostril nearer the tip of the snout than 
the eye; tympanum four sevenths the diameter of the eye. Tips of 
fingers not dilated; first finger longer than second; toes with a 
narrow fringe on each side ; two metatarsal tubercles, inner elongate, 
outer rounded. Skin smooth; a large elongate gland between the 
angle of the mouth and the shoulder, surmounted by another the 
superior and posterior limits of which are not so distinctly defined. 
Dark brown above, indistinctly spotted with darker; beneath dirty 
white, marbled with black. Male with two spine-bearing tubercles 
on the inner side of the first digit. 
Andes of Ecuador. 
2. Plectromantis rhodostigma. 
Plectromantis rhodostima, Cope, Proc. Ac. Philad. 1874, p. 127. 
Yomerine teeth in two short curved series behind the choane. 
Snout truncate ; tympanum smaller than the eye. Fingers and toes 
with well-marked dilatations, and without dermal margins. Heel of 
extended hind limb reaching the posterior border of the orbit. Skin 
smooth. Above uniform brown, below whitish ; snout blackish to 
the orbits; femora dark brown behind ; ; a rose-coloured spot in the 
groin, one on the superior face of the femur, two on the inferior 
face of the tibia, and one on the superior face of the tarsus. 
Nauta, Upper Amazon. 
15. LIMNOMEDUSA. 
Cystignathus, sp., Dum. § Bibr. viii. p. 892. 
Limnomedusa, Cope, Journ, Ac. Philad. (2) vi. 1866, p, 94. 
Litopleura, Espada, Viaj. Pacif., Vertebr. p. 82. 
Pupil erect. ‘Tongue subcircular, free and slightly nicked behind. 
Vomerine teeth. Tympanum very distinct. Fingers free, toes 
nearly free, not dilated at the tips. Onter metatarsals united. 
Omosternum cartilaginous; sternum with a bony style. Terminal 
phalanges simple. 
Uruguay. 
1. Limnomedusa macroglossa. 
Cystignathus macroglossus, Dum. § Bibr. p. 405, 
Limnomedusa macroglossa, Cope, l.c., and Proc, Amer, Philos, Soe. 
xi. 1869, p. 168. 
Litopleura maritimum, Espada, 1. ¢. 
