LIST OF TEXT ILLUSTRATIONS. 



FIG. PAGE 



. Lampetra spadicea Bean Drawing by H. L. Todd 2 



2. Istlarius balsanus Jordan & Snyder . . .Drawing by Mrs. C. L. Starks. . 17 

 f Conorhynchus nelsoni Evermann & 



3. ] Goldsborough Drawing by A. H. Baldwin. ... 19 



' Embryo of Conorhynchus nelsoni . . .Drawing by A. H. Baldwin. ... 19 



4. Carpiodes microstomus Meek Drawing by Howard Stebbins. . . 27 



5. Carpiodes elongatus Meek Drawing by Howard Stebbins. . 28 



6. Carpiodes labiosus Meek Drawing by Howard Stebbins. . 29 



7. Xystrosus popoche Jordan & Snyder. Drawing by Mrs. C. L. Starks. . 43 



8. Algansea dugesi Bean Drawing by A. H. Baldwin. ... 46 



9. Algansea rubescens Meek. Drawing by W. D. Douglas. ... 46 



10. Hybognathus rasconis (Jordan & Sny- 



der) : . . . Drawing by Mrs. C. L. Starks . . 50 



11. Gila minacas Meek Drawing by W. D. Douglas. ... 54 



12. Falcula chapalse Jordan & Snyder.. . .Drawing by Mrs. C. L. Starks. . 58 



13. Aztecula vittata (Girard) Drawing by A. H. Baldwin .... 60 



14. Aztecula lermae (Evermann & Golds- 



borough) Drawing by A. H. Baldwin .... 6 1 



15. Aztecula mexicana Meek Drawing by W. D. Douglas. ... 62 



1 6. Nototropis calientis Jordan & Snyder Drawing by Mrs. C. L. Starks. . 65 



17. Nototropis robustus Meek Drawing by W. D. Douglas. ... 66 



18. Nototropis chihuahua Woolman Drawing by A. H. Baldwin. ... 67 



19. Nototropis nazas Meek Drawing by 'Howard Stebbins. . 70 



20. Nototropis forlonensis Meek Drawing by Howard Stebbins. . . 71 



21. Nototropis santamariae Evermann & 



Goldsborough Drawing by A. H. Baldwin .... 74 



22. Nototropis santarosaliae Meek Drawing by W. D. Douglas. ... 76 



23. Evarra eigenmanni Woolman Drawing by A. H. Baldwin. ... 77 



24. Evarra tlahuacensis Meek Drawing by W. D. Douglas. ... 78 



25. Hemigrammus compressus Meek Drawing by Howard Stebbins. . 87 



26. Dorosoma anale Meek .-. Drawing by Howard Stebbins. . 93 



27. Cynodonichthys tenuis Meek Drawing by Howard Stebbins. . 102 



28. Fundulus oaxacse Meek Drawing by W. D. Douglas. ... 104 



29. Zoogoneticus cuitzeoensis (B. A. Bean) . Drawing by A. H. Baldwin 1 1 1 



30. Zoogoneticus dugesi (Bean) Drawing by H. L. Todd 112 



31. Zoogoneticus robustus (Bean) Drawing by A. H. Baldwin. ... 113 



32. Zoogoneticus diazi Meek Drawing by W. D. Douglas. ... 114 



33. Zoogoneticus miniatus Meek Drawing by W. D. Douglas. ... 115 



34. Characodon variatus Bean $ Drawing by H. L. Todd 120 



35. Characodon variatus Bean 5 Drawing by H. L. Todd 120 



36. Chapalichthys encaustus (Jordan & 



Snyder) Drawing by Mrs. C. L. Starks . . 123 



37. Gambusia fasciata Meek Drawing by Howard Stebbins. . 129 



38. Gambusia infans Woolman Drawing by A. H. Baldwin. . . . 132 



39. Gambusia bonita Meek Drawing by Howard Stebbins . . 132 



40. Goodea whitei Meek Drawing by Howard Stebbins . . 137 



