Cope.] ^" [March 18, 



thigh and tarsus dusted with dark brown. Posterior part of side, front 

 and hind face of femur and inferior face of tibia, more or loss closely 

 marbled with brown on a white ground, the brown predominating on the 

 posterior face of the femur. The brown dusting extends across the in- 

 ferior surface just behind the axillae. Concealed surface of pes and web, 

 marbled dark brown and white. The coloration is peculiar in that the 

 superior surfaces of the humerus and tibia are colored like the rest of the 



body. 



M. 



Length of head and body 034 



" " " to posterior line of tympana 010 



Width " "at " " " " 013 



Length of fore leg, on front 023 



" " foot Oil 



" " hind leg, from groin 057 



" " " foot 020 



" " " " minus tarsus 010 



This species approaches the genus Scytopis in the very narrow fronto- 

 parietal (rontauelle. 



6. Hypsiboas boans Daudin. 



One specimen rather smaller than usual. The femur is brown posteri- 

 orly, with small scattered yellow spots. 



7. Hylodes conspicillatus Giinther. 



Hyloden fjiieniheri S)ie\n(\achner. Verb. Zool. Bot. Gess. Wien., 1864, p. 

 246, PI. xvii, fig. 1. 



Numerous individuals, all with the posterior face of the femur uni- 

 color. 



8. Paludicola nattereki Steind. 



A very abundant species, alwa5's without tarsal spur as described by 

 Steindaciiner. The lumbar gland is black with a white border, and the 

 groin below it and the posterior face of the femur is beautifully marbled 

 with black on a white ground. Vomerine teeth none. Tongue subcyl- 

 indric. 



9. Paludicola kroyeki R. & L. Liupents sagittifer Steind. 



Three specimens, two with the oblique longitudinal bands described by 

 Steindaciiner, and the other unicolor above, having only the black lateral 

 band extending from the end of the muzzle* 



10. Paludicola saltica, sp. nov. 



Characterized l)y the great length of its posterior legs. It has the form 

 of the North American Acris, and is probal)ly like it, a great jumper. 



Muzzle narrowly acuminate, and projociinga little beyond the lip border. 

 No canthus rostralis ; nostril looking partly upwards, half way between 

 end of muzzle and orbit. Intcrorbilal space not wider than eyelid. Tym- 



