t M 



■*T&1^ 



*a««-._. 



l'LATI<: \ III. 



Figures 29. 30. Chirostoma pkomelas Jordan & Snyder ; tj'pe. Lake Chapala, Jalisco. 

 Figure 31. Chirostoma lucius Boulenger : type of Chtrostom \ ckvst ai.linum 



Jordan & Snyder, Lake Chapala. 

 h'igure ?)2. Chikostom.\ diazi Jordan iK: Sn\(ler ; type. Lake Chapala. 



