BARBOUR AND COLE : PISCES FROM YUCATAN. 157 



13. Cyprinodon eximius Glrard. 



Fifty-one specimens from La Cienaga near Progreso, Yucatan. 



14 Jordanella floridae Goode & Bean. 



Twenty-five specimens from La Cienaga near Progreso. 



15 Gambusia gracilis Heckel. 



Eleven specimens from La Cienaga near Progreso. 



16. Belonesox belizanus Kner. 



Eight specimens from La Cienaga near Progreso. 



17- Mollienisia latipinna Le Sueur. 



Sixty-one examples (^'s, O s > ana< young) from La Cienaga near Progreso. 

 Many examples have well-defined bands through the eyes passing upwards 

 and forwards. 



18. Tylosurus marinus (Walbaum). 



Five examples from La Cienaga near Progreso. 



19 Hyporhamphus unifasciatus (Ranzani). 



Three specimens from the Gulf of Mexico near Progreso. 



20 Mugil curema Cuvier & Valenciennes. 

 One specimen from the Gulf of Mexico near Progreso. 



21. Mugil trichodon Poey. 



One specimen from La Cienaga near Progreso. 



22. Scomberomorus regalis (Bloch). 

 One specimen from the Gulf of Mexico at Progreso. 



23. Caranx hippos (Linne). 

 One specimen from La Cienaga near Progreso. 



24. Selene vomer (Linne). 

 One young specimen from the Gulf of Mexico at Progreso. 



25. Epinephelus morio (Cuvier & Valenciennes). 

 Three specimens from the Gulf of Mexico at Progreso. 



26 Diplectrum formosum (Linne). 

 Three specimens from the Gulf of Mexico at Progreso. 



