EXPLANATION OF THE PLATES OF OETHOPTERA.* 

 Plate I. 



Fig. 1. Anabrus simplex, Hald. 



2. CEdi])oda tenebrosa, Scudd. 



3. Brachypeplus virescens, Cliarp. 



4. Caloptenus differ entialis, Thos. 



5. Grylhis formosus, Say. 



6. (Edipoda trifasoiata, Say. 



Fig. 7. Acrolophitus hirtipes, Thos. 



8. Decticiis pallidipalpus, Thos. 



9. Locusta fuliginosa, Thos. 



10. Gi'i/llus luctuosiis, Serv. 



11. Gryllus luctuosus, Serv. 



Plate IL 



Fig. 1. Acridium frontalis, Thos. 



2. Caloptenus occidentalis, Thos. 



3. Caloptenus viridis, Thos. 



4. Caloptenus Dodgei, (male,) Thos. 



5. Caloptenus Dodgei, (male.) 



6. Caloptenus differ entialis, var. a, Thos. 



7. Opomola Mvittata, Serv. 



8. Opomola Wyomingensis, Thos. 



9. Caloptenus Dodgei, (female,) Thos. 



Fig. 10. Caloptenus Tiirnbullii, Thos. 



11. EpMppitytha gracilipes, Thos. 



12. Phaneroptera Coloradensis, Thos., 



(MS.) 



13. Pezotettix obesa, Thos. 



14. Pezotettix obesa. 



15. JEpMppigera tscMvavensis, Hald. 



16. Locusta occidentalis, Thos. 



17. Pterolepis minutus, Thos. 



* These two plates of Orthoptera, are copied by permission of Professor T. Glover, from IX and XI 

 of Ms admirable plates of American Ortboptera, and although containing none bnt western species, 

 have two or three species to which I do not refer. 



