SOME SOUTH INDIAN BATBACHIANS. 127 



Fig. 3. The third vertebra showing the tubercle on the diapophyses and 



the arcualium. 

 Fig. 4. The abnormal ilium with the forward cartilaginous extension. 

 Fig. 5. The pectoral girdle showing the forked left corocoid and the 



keeled omosternum. 

 Figs. 6&7. Side views of the skull of the normal i?. tigrina, showing 



the relation of the sphenethmoid, the frontoparietal and the 



parasphenoid bones, and their degrees of development. 

 Fig. 8. Lower view of the skull shown in fig. 7. The right vomer is 



removed to show the bony base of the nasal capsule. 



2. Bana leptodaclyla. 



Figs. 9,10»S:11. Egg"^ more than twice ; tadpole* twice ; mouth* roore 

 four times magnified. 



3. Nyctibatrachus. 



Fig. 12. N. sandi-palustris sp, no v. 



Figs. 13&14. The under views of sancti-palusiris and mode-stus var. 



nov. respectively. 

 Figs. 15, 17 and 16, 18. The hind limb and the meta-tarsal tubercle of 



sandi-palustris and modestus respectively. 



4. Bufo. 



Figs. 19, 21 and 20, 22. The throat and profile of B. stomaticiis 



No. 17274 belonging to the Indian Museum and peninsularis 



var. nov. 



Lettering. — a. Arcualium on the posterior border of the neural arch. ar. 



articular facet of the tendon of m. vastus externus. 



C. cartilaginous bar extending over the transverse processes of 



the VIII and VII vertebrae. 

 Cor. corocoid with the forked end. 

 db. dorsal blade of ilium. 

 EE. ecto and mesethmoid bones, 

 ep. epiphyseal connection between the dorsal blade of ilium and 



sacral diapophysis. 

 FP. frontoparietal bone. 



il. ilium. K. carina on the omosternum. om. omesternum. 

 PS. parasphenoid bone, r. ridge on the two faces of the femur. 

 SE. sphenethmoid bone. t. tubercle, v. vomer. 



