April, 'o6] 



ENTOMOLOGICAL NEWS. 



117 



one of which is divided into two. M* and m* are fused. Cu l 

 has three side branches. The first, second, and third anal 

 veins each branch once. 



In Sialis infumata, Fig. 2, the anterior wing is modified by 



the fusion of ao- 

 and m for some 

 distance, and asso- 

 ciated with this, 

 the radius assumes 

 a bowed form. M x 

 and tm are fused. 

 In the hind wing 

 the bases of the 

 median and cubitus 

 are fused. M* and 

 are fused. M' s 



St a lis infumata. 



m 

 and 



are fused. 



RAPHIDIM). 



In Raphidia oblita, Figs. 3 and 4, the sub-costa reaches the 

 margin of the wing 

 before the pteros- 

 tigma. In the an- 

 terior wing the 

 radius, media, and 

 cw are fused for a 

 short distance. In 

 the posterior wing 

 the bases of the 

 radius and media 

 are fused for some 

 distance and cu 

 fuses with the first 

 anal through the 



Fig. 3.— Raphidia oblita. Fore wing. 



Fig. 4. — Raphidia oblita. Hind wing, 

 middle third of its course. 



HEMEROBINA MEGALOPTERA . 



myrmeleonim;. 



In the Myrmeleonidce we have typical venation save that 

 many accessory veins have been added distally and the branch- 



