|{i; COLUMELLA AURIS IX AMrilllUA. 

 B. F. KINGSBURX AND II. l>. UKKU. 



PLATE Vn. 



Fifi. 48.— Larval Triton. 



Fig. 49.— Larval Triton. 



I'k;. no. — Larval Triton 



aaatxaissiiiiss&t 



Fig. 51. 

 Larval Cryptobranclins. 



Fig. 52. — Jnst hatched Cryptohrancluis. Fig. 5o. 



Just hatched Cryptol)ranchns 



Fig. 54. — Adult Cryptohranclius. 

 rHE Journal of Morphology. — Vol. XX. No. 4. 



Fig. 55. — Adult Cryptobranchns. 



