HYDROPSYCHIDJE. 105 



Black, clothed with black and yellow hairs : antennae very much 

 longer than the body : palpi and legs dull testaceous : wings gray : 

 fore-wings tinged with brown, adorned with numerous pale yellow 

 dots of various size. Length of the body 2 lines ; of the wings 5| 

 lines. 



a d. Trenton Falls, New York. Presented by E. Doubleday, Esq. 



Genus 5. MONOPSEUDOPSIS, n. 



Capitis vertex utrinque gibbosus. Antennae articulis longis cy- 

 liudricis. Pedes antici breves, ten lies, tibiis bicalcaratis ; posteriores 

 longi, tibiis quadricalcaratis. 



Head a little narrower than the thorax, with a large round 

 convex protuberance on each side between the eyes, by the base of 

 the antennae : maxillary palpi long ; last joint veiy long and slen- 

 der : joints of the antennae thrice longer than broad, or more, except 

 near the base, where they are twice longer than broad; first joint 

 very stout: legs slender; their pairs of spurs of unequal length; 

 fore-legs short and slender, with two little spurs at the tips : poste- 

 rior legs long, with four long spurs, one pair in the middle, and one 

 at the tips. 



1. MONOPSEUDOPSIS INSCRIPTUS. 



Niger ; pedes flaw ; alee anticte luridce, maculis vittisque flavis 

 maculaque subapicali hyalina ornatcc ; alee posticce subci- 

 nerece. 



Black, with a slight hoary tinge : head clothed with short black 

 hairs above, with ferruginous hairs beneath : antennae longer than 

 the body; second, third and fourth joints ferruginous: palpi and 

 legs yellow : fore-wings lurid, with three yellow stripes, one on each 

 border and one on the disk, and with six large irregularly-triangular 

 yellow spots, three resting on each border ; tips gray, with a large 

 almost round hyaline spot in the disk : hind-wings pale gray, with 

 two almost colourless marks near the tip of the fore border ; veins 

 pale. Length of the body 4j lines ; of the wings 14 lines. 



a. New Holland. Presented by the Entomological Club. 



