BUFO. 



34. Development. Draw dorsal and ventral views of an older tadpole with internal 

 gills, showing : mouth ; lips ; jaws ; nostrils ; eyes ; spout ; anus ; tail. 



35. Development. Draw dorsal and ventral views of a tadpole with rudiments of 

 hind-limbs. Expose the gill-clefts and fore-limbs of this specimen by removing the 

 operculum. Open the abdomen to show the heart, liver, and coiled intestine. Make 

 drawings of your dissection. 



36. Development. Sketch a tadpole in the process of metamorphosis, showing: 

 two pairs of limbs and shrinking tail. 



37. Development. Sketch a toad that has just completed its metamorphosis, 

 showing the absence of tail. 



