CLASSIFICATION. 13 



NEUROPTEROIDEA, Scudder. 



Family. Palephemeridae, Scd. 



Genus. Platephemem, Scd. 

 Family. Houiothetidae, Scd. 



Genera. Acridites, Aud. ; Eucxnus, Scd. ; Genopteryx, Scd. ; Genentotnum, Scd.; 

 Didymojjlileps, Scd. ; Homothetus, Scd. ; Mixotermes, Sterzel ; Omalia, 

 van Ben. 

 Family. Palseopterina, Scd. 



Genera. Miamia, Scd. ; Dieconeura, Scd. ; Strephecladus, Scd. 

 Family. Xenoueuridse, Scd. 



Genus. Xenonenra, Scd. 

 Family. Hemeristina, Scd. 



Genera. Lithomantis, Woodw. ; Lithosialis, Scd. ; Pucliytylepsis, de Borre ; 



Lithentomum, Scd. ; Hemeristia, Dana. 

 Family. Gerarina, Scd. 



Genera. Polyernus, Scd. ; Gerams, Scd. ; Adiphlebia, Scd. ; Megathentomum, Scd. 

 HEMIPTEROIDEA, Scudder. 



Genera. Eugereon, Dohrn ; Fulgorina, Goldenb. 



COLEOPTEROIDEA, Scudder. 



Palseodictyoptera having a coleopterous aspect indicated by Geiuitz and Brongniart. 



B. HETEEOMETABOLA, Packard. 

 ORTHOPTERA, Olivier. 



Family. Forficulariee, Latreille. 

 Family. Blattariae, Latreille. 



Genera. Neortliroblattina, Scd. ; Scutinoblattina, Scd. ; Blattidium, Westw. ; 



Mesoblattina, Gein. 

 Family. Mantidae, Latreille. 



Genus. Mantis, Limit'. 

 Family. Phasmidae, Leach. 



Genera. Agathemera, Scd. ; Pseudoperla, Pictet. 

 Families. Acridii, Latreille ; Locustidae, Latreille ; Gryllidaa, Latreille. 



NEUROPTERA, Linue. 



Sub-order. Pseudoneuroptera, Erichson. 

 Sub-order. Neuroptera vera. 



HEMIPTE^A, Linne. 



Homoptera, Latreille. 

 Heteroptera, Latreille. 



COLEOPTERA. 



C. METABOLA, Packard. 



DlPTERA. 



LEPIDOPTERA. 

 HYMENOPTERA. 



A modification of this classification was introduced by Handlirsch, in his 

 "Sub-phylum Insecta" in Eastman's translation of Zittel's 'Text-book of 

 Palaeontology,' 1913, as follows : 



