June, 1907.] American Species of Papirius. 167 



the short end joint which would classify it as a Papirius. This 

 species is quite akin to unicolor with which it almost agrees in 

 size and habit, differing in color and form of antennae. 



3. Papirius marmoratus Packard. 



1873. Papirius marmoratus Packard. 

 1893. Papirius marmoratus Harvey. 

 1895. Papirius marmoratus DallaTorre. 



Prevailing color deep, dull lilac, with pearly colored lines 

 and spots. Head large, free from body, swollen on the sides 

 and over the clypeal region. Antennae dull lilac, paler on basal 

 half, terminal half of third joint divided into sixteen sub-joints, 

 much swollen, fourth joint rather long, annulated. Eyes black. 

 Body marbled over with deep, dull lilac, and pearly colored lines 

 and spots, a median dorsal, pearly streak along the basal half 

 of the abdomen, beneath light, pearly, marbled with lilac; elon- 

 gate oval in form with two pale, smooth tubercles on each side 

 of the middle of the first abdominal segment, the two following 

 segments narrow, and projecting far out like a fungoid growth. 

 Legs dull lake, femur pearly at base and end; tibia alternate light 

 and dark lilac; claws, superior one with four teeth, obscure. 

 Furcula pale lilac, in the young whitish ; dentes serrulate beneath ; 

 mucrones long and slender, oval at tip. Length 2.5 mm. Hab- 

 its, "on toad stools, abundant at Brunswick, Maine, Sejjt. 10, 

 and Woods Hole, Mass., Sept. 1-5, (Packard); vicinity of Boston 

 (Sanborn)." 



"This fine marbled species may be known by its decided lilac 

 hue, and meidan pale line, as well as the two pale dorsal tubercles 

 and its large size." (Packard). Fifteen type specimens de- 

 posited in the miuseum of Comparative Zoology. 



4. Papirius texensis Packard. 



1873. Papirius texensis Packard. 



1895. Papirius texensis DallaTorre. 



1896. Papirius texensis Folsom. 



Prevailing color pale luteous, marbled with brown and black. 

 Head paler, a few short bristles above the mouth and on the pos- 

 terior dorsum; long stout hairs on the vertex and anterior dor- 

 sumi. Antennae shorter than body, pale reddish-brown, growing 

 darker toward the end; segments nearly as 1:5:5:2; basal seg- 

 ment twice as long as broad, naked; second sub-petiolate, sparselv 

 hairy; third petiolate, hairy with ten distinct sub-segments, the 

 penultimate one laterally-dilated, fourth segment lanceolate. 

 Eyes black. Legs long, slender, tibia with broad, alternate light 

 and dark bands. Claws; superior one, long and slender, little 

 curved, obscurely toothed; inner edge sinuate basally. toothed 

 in the middle and obscurely beyond. Two teeth on either side 



