256 NETJROPTERA OF NORTH AMERICA. 



7. L. interruptus. 



Phrygaitca interrupta Say, American Entom. Ill, pi. 44, right middle 

 figure. 



Clothed with grayish hair; palpi and antennae black; tibia? ob- 

 scure, tarsi obscure, the joints pale at their bases; anterior wings 

 gray, obscurer upon the disk, a longitudinal, medially interrupted 

 line, extending from the humerus to near the apex, and an abbre- 

 viated line nearer the costal margin, towards the apex, black ; the 

 posterior area hoary with white pubescence, immaculate; posterior 

 wings ochreous, the apex broadly black. (From the description 

 of Say.) 



Length to tip of wings 21 millim. Alar expanse 40 millim. 



Hal. New Jersey (Say). 



I have not seen it ; does it belong to Limnophilus ? 



8. L. radiatus. 



Phryganea radiata Say, Long's Exped. II, 308, 2. 



Pale yellowish-fuscous; antenna? fuscous; vertex and prothorax 

 pilose ; mesothorax each side and two dorsal stripes hairy ; anterior 

 wings subhyaliue, beyond the middle a large fuscous circle from 

 which a dilated line proceeds to the tip, another to the inferior 

 angle, a third to the carpal spot, and a fourth towards the base, 

 interrupted in its middle, the interior margin, particularly at the 

 base, fuscous; surface of the wings with scattered hairs, those of 

 the nervures more distinct and blackish. (From the description 

 of Say.) 



Length to tip of wings 19 millim. Alar expanse 36 millim. 



I have not seen it; does it belong to Limnophilus'? 



9. L. sericeus. 



Phryganea sericea Say, Long's Exped. II, p. 309, 3. 



Blackish, sericeous; antennse fuscous, annulated with yellow; 

 head with a cinereous gloss, sparingly pilose ; thorax with a cine- 

 reous gloss ; posterior feet pale ochreous, sericeous, with black setas ; 

 anterior wings varied with fuscous and pruinose, a transverse, quad- 

 rate, black spot on the middle of the posterior margin ; membrane 

 densely pilose; veins with black hairs; posterior wings immaculate. 

 (From the description of Say.) 



Length to tip of wings 12 millim. Alar expanse 23 millim. 



Hob. Northwest Territory (Say). 



I have not seen it; does it belong to Limnophilus? 



