PLATE II. 



(/;/ := mandibular, / = iuterraaxillary, and p = pharyngeal teetli.) 



Fig. 1. Zyffonectes sciadicus Cope ; Jor. and C. 

 Fig. 2. Funduliis hcteroclilus Jjmn. ; Gill. 

 Figs. 3 and 4. Fundulus parvipinnis Grd. 

 Figs. 5 and 6. Fundulus majalis Walb. ; Gth. 

 Fig. 7. Fundulus diaphanus Les. ; Bd. 

 Fig. 8. Fundidus zebriniis Jor. & G. 

 Fig. 9. Fundulus Hathhuni Jor. 

 Fig. 10. Fundulus Kansw Garni. 

 Fig. 11. Fundulus cateyiattis StoT. ; Gth. 

 Fig. 12. Fundulus seminolis Grd. 



