52 NEUR0PTERA OF NORTH AMERICA. 



head piceous, antenna black ; sides of the thorax spotted with 

 fulvous ; setae a little longer than the body ; intermediate one 

 shorter, luteous, incisures obscurer; feet luteous, anterior ones fer- 

 ruginous ; wings hyaline, veins fuscous, costal margin of the an- 

 terior ones lurid at the apex. 



9 Subimago. Whitish-testaceous, marked with fuscous ; an- 

 tennae fuscous, testaceous at base ; abdomen fuscous above ; setae 

 testaceous, almost double the length of the abdomen ; feet testa- 

 ceous, femora banded with black, tarsi fuscous; wings subcinereous, 

 opaque, veins testaceous, clouded with fuscous. (From Mr. Walk- 

 er's description.) 



Length of body 10 millim. Alar expanse 22 — 28 millim. Setae, 

 <? 21, *> 14 millim. 



Hob. Nova Scotia (Redman) ; Washington, April (Osten Sack- 

 en). 



Although I have examined the specimens described by Mr. 

 Walker, the length of the setae in the description of B. tessellata 

 strikes me now as doubtful, as they should be shorter than those 

 of the imagines. 



3. P. nebulosus. 



Palingenia nebulosa Walk.! Catal. 554, 18. 



<£ Imago. Black ; abdomen piceous, beneath fulvous ; setae 

 testaceous, banded with fuscous ; more than double the length of 

 the body, intermediate one shorter ; feet fulvous, anterior ones 

 much obscurer ; wings hyaline, veins fuscous, the anterior wings 

 with a broad, longitudinal, fuscous band. (From Mr. Walker's 

 description.) 



Length of body 9 millim. Alar expanse 18 millim. Length of 

 setae 24 millim. 



Hah. St. Martin's Falls, Albany River, Hudson's Bay (Barn- 

 ston). 



CLOE Leach. 



Two setae ; four wings (sometimes the posterior ones are want- 

 ing), transverse veins few ; eyes, in the males, double, large, ap- 

 proximate. 



