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TEXTBOOK OF ZOOLOGY 



pendages modified for jumping. Tlie body is often cylindrical. 

 About one thousand species have been described, some of the common 

 species follow : Family Poduridae. Podura aquatica L. ; Achorutes 

 maturits Fols. ; Family Entomobryidae Folsomides decemoculatus 



Fig. 178. — Western or Mormon cricket, Anabrus simplex Haldeman, female. (From 

 Henderson, permission of Utah Agricultural Experiment Station.) 



Fig. 179. — Sand cricket, Stenopelmatus fasciatus Thomas. (From Henderson, per- 

 mission of Utah Agricultural Experiment Station.) 



JtlilLs ; Isoioma dongaia Mac G. ; 1. titusi Fols ; and Tomocerus vulgaris 

 Tull. ; Family Sminthuridae, Sniinthiirus niger (Lubbock) ; S. eisenii 

 Schott ; and Papirius maculosus Schott ; and Family Neelidae, Mega- 

 totJiorax incestoides Mills. All the springtales listed above are found 



