THE COLUMELLA AURIS IN AMPHIBIA. 

 B. F. KINGSBURY AND H. D. REED. 



PLATE IX. 



Fig. go. — Larval Necturus 



Fig. 61.— Adult Sireu. 



♦JStt^-*; 



Fig. 62.— Adult Siren, 



Fig. 6.3.— Adult Siren. 



The Jocrnal of Morphology. — Vol. XX, No. 4. 



