1913. 



NATURAL SCIENCES OF PHILADELPHIA. 



423 



tial character, scattered males unaccompanied by females of this 

 southern geographic race are scarcely separable from those of true 



fasciatus. 



Measurements {in millimeters) . 



Thomasville, Ga. 

 Average of a typical series. 



Length of body 9 . 1 (8 . -10 . ) 



Length of pronotum 1.8 (1.7- 2. ) 



Caudal width of pronotum 2.5 (2.1- 2.7) 



Length of tegmen 5.1 (4.2- 6.1) 



Length of wing 



Length of caudal femur 6.5 (5.8- 7. ) 



Greatest width of caudal femur 2.4 (2. - 2.7) 



Length of ovipositor 



Thomasville, Ga, 

 Average of a typical series, 



Length of body : 9 . 5 ( 8 . 8-10 , 



Length of pronotum. 1.9 ( 1.8- 2 . 



Caudal width of pro- 

 notum 2.6 ( 2.1- 3. 



Length of tegmen 6.2 ( 5.8- 6.7) 



Length of wing 13.8(12.8-15. ) 13.6(13.4-14. ) 



9 9 



9.7 ( 9.1-10. ) 

 1.9 ( 1.8- 2. ) 



2.8 ( 2.4- 3.1) 

 6.3 ( 5.9- 6.9) 



9 

 9.5 



Length of caudal femur 

 Greatest width of cau- 

 dal femur 



Length of ovipositor 



6.6 ( 6.3- 

 2.2 ( 2.1- 



7. ) 7. ( 6.9- 7.2) 



2.4) 



2.5 ( 2.1- 2.7) 

 . 6.5 ( 6. - 6.8) 



Dallas, Texas.^^ 



6.25 



Length of body 9 . 8 



Length of pronotum 2 . 2 



Caudal width of prono- 

 tum 3.4 



Length of tegmen 6 . 6 



Length of wing 



Length of caudal femur 



Greatest width of caudal 



femur 



Length of ovipositor 



9.8 

 2. 



2.7 



5.6 



7 . 

 2.7 



10.9 

 1.9 



3. 



6.4 



14.8 



7.3 



2.6 



9 

 10. 

 2.6 



3.1 

 3.9 



8^6 



3.1 

 8.3 



9 

 10.2 

 2.4 



2.9 



4.8 

 ...^...^ 



2.8 



7.8 



^= The brachypterous individuals from this locality are part of the type series 

 of Scudder's Nemobius canus, while the macropterous specimen bears Scudder's 

 label "N. socius." 



