ILLUSTRATIONS 



PLATES Following 



page 



1. Sternopygus pejeraton, new species, and Eigenmannia goajira, 



new species 211 



2. Hypopomus Veetei Schultz 211 



3. Apteronotus cuchillo, new species, and Sternarchogiton cuchillejo, 



new species 211 



4. Head, thorax, forewing, mesonotum, abdominal tergites, and tibia 



of species of Cardiochiles 266 



5. Hypopygium and ovipositor sheaths of species of Cardiochiles 266 



6. Species of Cheyletiella and Neocheyletiella 314 



7,8. Species of Cheyletus 314 



9. Species of Cheyletus and Cheletophyes 314 



10. Species of Cheletophyes and Eucheyla 314 



11. Species of Eucheyla, Cheletominius, and Eucheyleiia 314 



12. Species of Eucheyleiia and Cheyletia 314 



13. Species of Cheyletia and Cheletomorpha 314 



14. Species of Cheletomorpha, Eutogenes, and Cheletogenes 314 



15. Species of Cheletogenes and Chelonotus 314 



16. Species of Acaropsis and Eucheyletia 314 



17. Species of Cheletogenes and Chelacaropsis 314 



18. Corycaeus americanus, new species 326 



19,20. Pima County (Arizona) meteorite 354 



21-24. Linwood (Nebraska) meteorite 358 



25. Schlettererius cinctipes (Cresson), Megischus iicolor (Westwood), 



M. californicus, new species, M. texanus Cresson, M. arizonicus, 



new species, M. hrumieus Cresson 370 



26. Gonopods of new species of Apheloria and Deltotaria 380 



27. Gonopods of new species of Nannaria and Sigmoria 380 



28. Anelassorhynchus aiyssalis, new species 497 



29. I/istriolol)us hexamyotus, new species 497 



30. Arhynchite californicus, new species 497 



81,32. Arhynchite pugettensis, new species 497 



33,34. Prometor benthophila Fisher 497 



TEXT FIGURES 



Page 



1. Urohatis sloani (Bhiinville) 25 



2. Urotrygon venczuelae, new species 25 



3. Potamotrygon magdalenae (Dunii^ril) 30 



4. Anchovia nigra, new si)ecies 40 



5. Anchoa argenteus, new species 45 



0. Outline of opercular margin of Anchoa Irimtatis (Fowler) and A. 



argenteus, new species 45 



VII 



