June, I9I5-] HeBARD : AMERICAN SpECIES OF MiOGRYLLUS. 101 



from the same locality, so that to assign them names has been always 

 unsatisfactory. 



Phylloscirtus pulchellus Uhler. 



Monticello, Oct. 4-8, I female. 



(Ecanthus angustipennis Fitch. 



Gainesville, Sept. 26-Oct. 2, i female; Monticello, Oct. 4-8, i 

 female. 



CEcanthus quadripunctatus Beut. 



Gainesville, Sept. 26-Oct. 2, i nymph. 



Hapithus brevipennis Sauss. 



Gainesville, Sept. 26-Oct. 2, i female. 

 Hapithus quadratus Scudd. 



Gainesville, Sept. 26-Oct. 2, i female. 



THE AMERICAN SPECIES OF THE GENUS 

 MIOGRYLLUS (ORTHOPTERA, GRYLLID^). 



By Morgan Hebard, 

 Philadelphia, Pa. 



Recent studies in the group Gryllites, of which the present genus 

 is a member and in which, in our opinion, it stands after Gryllodes 

 and before Gryllus, have demonstrated that in the past the true value 

 and significance of many morphological features of the present group 

 have been wholly miscalculated. There is no question but that in this 

 group various species exhibit the greatest plasticity found in the 

 Orthoptera and enjoy as wide a distribution as any American forms, 

 excepting those which have been spread by the agency of man. Un- 

 less we consider that these great plastic units have always been treated 

 systematically without the following features being realized, the 

 amount of synonymic names for many species would be incompre- 

 hensible. 



Variations found in the Group Gryllites. — Many species vary 

 greatly in size, as in the Orthoptera generally, this variation often 

 being geographic but frequently due to local environmental conditions. 



