328 1891. Entomol. Nachrichten. No. 21. 



Farn. Parnidae. 



1. Helichus cordubensis Berg. 



2. Feionomus Simplex (Burm.) Berg. 



Farn. Scarabaeidae. 



1. Eucranium pulvinatum Burm. 



2. Glyphoderus centralis Burm. 



3. Stenodadylus (Eudinopus) dytiscoides Schreib. 



4. Megathopa puncticolUs Blanch. 



5. Canthon (Coprohius) Upunctatus Burm. 



6. C. mutahilis (Luc.) Harld. 



7. C. conformis Harld. 



8. C. miiticus Harld. 



9. C. edentulus Harld. 



10. Phanaeus imperator Chevr. 



11. Fh. splendidulus Fabr. (menalcas Dej.). 



12. Ochodaeus verticalis Burm. 



13. Coelodes discus Dej. 



14. Trox pastillarms Blanch. 



15. T. patagonicns Blanch. 



16. T. pihdarius Germ. 



17. T. suherosus Fbr. 



18. T. aeger Guer. (leprosus). 



19. T. hemispliaericus Burm. 



20. T. gemmifer Blanch. (gtittifer var. Hrld.). 



21. T. pampeanus Burm. 



22. T. pedestris Hrld. 



23. Cyclocephala laevis Burm. 



24. C. putrida Burm. 



25. C. signaticollis Burm. 



26. Byscinettis (Chalepus) lurldus Burm. 



27. Fhileurus pidlus Burm. 



28. Gymnetis pudibunda Burm. 



29. G. inquinafa Thonis. 



30. G. tigrina Gory et Perch. 



Farn. Biiprestidae. 



1. Fsiloptera corynthia Fairm. 



2. F. denticolUs Fairm. 



3. F. plagiata Gory. 



4. F. dumetorum Gory. 



5. P. americana Hrbst. 



6. F. tucumana Guer. et Perch. 



