University of Michigan 



PLATE II 



Figures 5, 6, 7 and 8, Isclinogomphus jcssci, type male; 5, diagram 

 of thoracic color pattern ; 6, abdominal segment 2 with its genitalia, in 

 profile; 7, abdominal segments 9 and 10 and the appendages, in profile; 

 8, postero-ventral view of the abdominal appendages and segment 10. 



Figures 9, 10 and 11, Erpetogoniphiis sabaleticus, type male; 9, 

 diagram of thoracic color pattern; 10, abdominal segment 10 and the 

 appendages, in profile; 11, abdominal appendages, dorsal view. 



Figures 6, 7 and 8 slightly greater magnification than 10 and 11; 

 the former figures drawn to about the same magnification as figures 

 7-10, plate IX, Entomological News, Vol. XXVII, April, 1916; the 

 latter figures to about the same magnification as those in plate XVII, 

 Entomological News, Vol. XXIII, July, 1912. 



