396 SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. 12$ 



Family Veliidae 



Ragovelia insularis Champion 



Ragovelia distmeta Champion 

 Family Gerridae 



Tenagogonus sp. 



Gerris sp. 

 Family Pentatomidae (Cydninae) 



Cyrtomenus vestigiatus Distant 

 Order Trichoptera 



Family Hydropsychidae 



Smicridea sp. (or near)" 



Hydropsyche sp. (or near) 

 Order Coleoptera 



Family Dytiscidae 



Agabiis sp. (or near) 

 Family Hydrophilidae 



Tropisternus sp. 

 Family Ptilodactylidae 



Anchytarsus sp. 

 Family Psephenidae 



Psephenus sp. 

 Order Hymenoptera 

 Family Sphecidae 



Oxybelus sp." 



probably Oxybelus pyrurus (Rohwer) 

 Order Diptera 



Family Tipulidae 



Holorusa rubiginosa Loew 



Tipula sp. 

 Family Chironomidae 



Genus and species ? 

 Family Stratiomyidae 



Geosargus sp. 



Phylum ASCHELMINTHES 

 Class GORDIACEA 



Order Gordioidea 



Family Chordodidae 

 Chordodes sp. 

 Pseudochordodes sp. 

 Parachordodes sp. 

 Phylum Chordata 



Subphylum Vertebrata 

 Class Pisces 



Family Cyprinodontidae 

 Profundtdus " 



probably Profundulus punctatus Giinther 

 Class Amphibia 



Order Gymnophiona 

 Family Caeciliidae 



Gymnopis mexicana mexicana (Dumeril and Bibron) 

 Dermophis mexicanus mexicanus Peters 



