298 Iliuidlirsch — New Paleozoic Insects from the 



frequent in North America. Only 4 species have heen 

 recorded from America; a fifth one, contained in the Yale 

 collection, the type of a new genus, is now added to this 

 number. 



Athymodictya, new genus. 

 Athymodictya parva, new species. Figs. 1, 2. 



A small insect, measuring about 26 mm . Wings lY mm . Plead 

 comparatively small with distinctly vaulted lateral eyes. Pro- 



Fig. 1. 



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/ \ 



Fig. 1. Athymodictya parva. x 3. 



thorax much shorter than the mesothorax, its body nearly 

 twice as broad as long, provided with semicircular lateral lobes. 

 Mesothorax robust, almost equal in length and breadth. 

 Metathorax shorter, its breadth one and a half times greater 

 than the length. Abdomen scarcely narrower than the thorax, 

 its first segment shorter than the others, the second, the 



