1909.] NATURAL SCIENCES OF PHILADELPHIA. 405 



Kaloula, spelt thus, dates from Gray's Zoological Miscellany, 1831 

 p. 38. Callula, a more recent emendation, has no standing in nomen- 

 clature. 



Explanation of Plates XVII and XVIII. 



Plate XVII. — Fig. 1. — Mouth of Kaloula verrucosa. X 2. 

 Fig. 2. — Mouth of Cacopoides borealis. X 2. 

 Fig. 3. — Mouth of Cacopus globulosus. X 2. 

 Fig. 4. — Kaloula verrucosa (Blgr.). Natural size. 

 Fig. 5. — Type of Cacopoides borealis Barbour. Natural size. 



Plate XVIII. — Fig. 1. — Sternum of Cacopus after Boulenger. 

 Fig. 2. — -Sternum of Cacopoides. X 2. 

 Fig. 3. — Sternum of Kaloula verrucosa. 2. 

 Fig. 4. — Sacrum and urostyle of Cacopoides. X 2. 

 Fig. 5. — Sacrum and urostyle of Kaloula verrucosa. X 2. 

 Fig. 6. — Terminal phalanx, Kaloula baleata. 

 Fig. 7. — Terminal phalanx, Kaloula pulcJira. 

 Fig. 8. — Terminal phalanx, Kaloula verrucosa. 

 Fig. 9. — Terminal phalanx, Cacopoides burealis. 

 Fig. 10. — Terminal phalanx, Cacopus globulosus. 



