NOTES ON BATRAOHIANS OF THE PARAGUAYAN CHACO. 305 



Notes on the Batrachians of the Paraguayan 

 Chaco, with Observations upon their Breed- 

 ing Habits and Development, especially with 

 regard to Phyllomedusa hypochondrialis, 

 Cope. Also a Description of a New Genus. 



By 



J. S. Biidgett, 



Trinity College, Cambridge, 



With Plates 28—32. 



List of Batrachia collected by J. S. Biulgett in the Paraguayan 



Chaco, 1897. 



I. Leptodactylus ocellatus,L. 

 II. Leptodactylus typhonius, Daud. . 



III. Leptodactylus bufonius, Boul. 



IV. Leptodactylus pcecilochilus (Cope) 

 V. Phryniscus nigricans, Wiegm. 



VI. Paludicola fusconfiaculata, Steindachn. 

 VII. Paludicola signifera, Boul. 

 VIII. Paludicola faicipes (Hensel) 

 IX. Eugystoma ovale, Sclin. . 

 X. Eugystoma albopunctatum, Boul. 

 XI. Pseudis paradoxa, L. 

 XII. Pseudis iimellum (Cope) . 



XIII. Bufo marinus, L. 



XIV. Bufo granulosus, Spix. . 

 XV. Phyllomedusa hypochondria 



XVI. Phyllomedusa Sauvagii, Boul 

 XVII. Hyla spegazinii, Boul. 

 XVIII. Hyla venulosa, Laur. 

 XIX. Hyla nana, Boul. 

 XX. Hyla phrynoderma, Boul. . 

 XXI. Hyla nasica, Cope . 

 XXII. Ceratophrys ornata. Bell. 



XXIII. Lepidobatrachus asper, n. sp. 



XXIV. Lepidobatrachus liBvis, u. sp, 



Length. 



120 mm. 



45 mm. 



55 mm. 



50 mm. 



33 mm. 



40 mm. 



25 mm. 



15 mm. 



40 mm., (^ 25 mm. 



18 mm. 



50 mm. 



20 mm. 



150 mm. 



50 mm. 



40 mm. 



70 mm. 



80 mm. 



70 mm. 



22 mm. 



43 mm. 



28 mm. 



120 mm. 



80 mm. 



80 mm. 



