LIST OF TEXT ILLUSTRATIONS. 



Fig. 

 i. 



*3- 



14- 



15- 

 16. 



x 7- 

 18. 

 19. 

 20. 

 21. 



2 3- 

 24. 



25- 



26. 

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 3 1 - 

 3 2 - 

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40. 



Lampetra spadicea Bean Drawing by H. L. Todd 



Istlarius balsanus Jordan & Snyder . . . Drawing by Mrs. C. L. Starks 

 Conorhynchus nelsoni Evermann & 



Goldsborough Drawing by A. H. Baldwin . . 



>. Embryo of Conorhynchus nelsoni . . .Drawing by A. H. Baldwin. . 



Carpiodes microstomias Meek Drawing by Howard Stebbins. 



Carpiodes elongatus Meek Drawing by Howard Stebbins 



Carpiodes labiosus Meek Drawing by Howard Stebbins 



Xystrosus popoche Jordan & Snyder. Drawing by Mrs. C. L. Starks 



Algansea dugesi Bean Drawing by A. H. Baldwin. . 



Algansea rubescens Meek Drawing by W. D. Douglas. . 



Hybognathus rasconis (Jordan & Sny- 

 der) Drawing by Mrs. C. L. Starks 



Gila minacas Meek Drawing by W. D. Douglas. . 



Falcula chapake Jordan 8c Snyder.. . .Drawing by Mrs. C. L. Starks 



Aztecula vittata (Girard) Drawing by A. H. Baldwin. . 



Aztecula lermas (Evermann & Golds- 

 borough) Drawing by A. H. Baldwin . . 



Aztecula mexicana Meek Drawing by W. D. Douglas. . 



Nototropis calientis Jordan & Snyder Drawing by Mrs. C. L. Starks 



Nototropis robustus Meek Drawing by W. D. Douglas. . 



Nototropis chihuahua Woolman Drawing by A. H. Baldwin. . 



Nototropis nazas Meek Drawing by Howard Stebbins 



Nototropis forlonensis Meek Drawing by Howard Stebbins. 



Nototropis santamarias Evermann & 



Goldsborough Drawing by A. H. Baldwin . . 



Nototropis santarosaliae Meek Drawing by W. D. Douglas. . 



Evarra eigenmanni Woolman Drawing by A. H. Baldwin. . 



Evarra tlahuacensis Meek Drawing by W. D. Douglas. . 



Hemigrammus compressus Meek Drawing by Howard Stebbins 



Dorosoma anale Meek Drawing by Howard Stebbins 



Cynodonichthys tenuis Meek Drawing by Howard Stebbins 



Fundulus oaxacas Meek Drawing by W. D. Douglas. . 



Zoogoneticus cuitzeoensis (B. A. Bean) . Drawing by A. H. Baldwin. . . 



Zoogonetictis dugesi (Bean) Drawing by H. L. Todd 



Zoogoneticus robustus (Bean) Drawing by A. H. Baldwin. . 



Zoogoneticus diazi Meek Drawing by W. D. Douglas . . 



Zoogoneticus miniatus Meek Drawing by W. D. Douglas. . 



Characodon variatus Bean 8 Drawing by H. L. Todd 



Characodon variatus Bean 9 Drawing by H. L. Todd 



Chapalichthys encaustus ( Jordan &- 



Snyder) Drawing by Mrs. C. L. Starks 



Gambusia fasciata Meek Drawing by Howard Stebbins 



Gambusia infans Woolman Drawing by A. H. Baldwin. . 



Gambusia bonita Meek Drawing by Howard Stebbins 



Goodea whitei Meek Drawing by Howard Stebbins 



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in 



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IJ 3 

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"S 

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i37 



