572 NEW YORK STATE MUSEUM 



Larva. Length 7 mm. Width 5 mm. Head and thorax yellowish 

 white with a pattern of dark brown spots. The legs are long and slen- 

 der. Abdomen is white. The ninth segment is incircled by a row of 

 spines pointing backward. There are no respiratory filaments. The 

 two single-jointed prolegs each have four hooks. 



CASES FOUND WITHOUT LARVAE OR PUPAE 

 I 



Case composed of pieces of wood 7 mm long placed lengthwise in a 

 spiral band. This case has three complete turns of the band. Diameter 

 tapers from 8 to 6 mm. Found in Little Clear creek July 14, 1900. This 

 case was evidently of a Phryganeid larva. 



2 



SHghtly curved cylindric case of very fine sand. Length about 

 15 mm. Diameter decreases from 3 to 2 mm. Found in very great 

 abundance in Bone pond. 



3 



Tubular case, slightly curved, composed mainly of silk closely woven 

 with some material resembling the bark of young twigs, having a yellow 

 appearance within and brownish black without. Length 15 mm. Diame- 

 ter decreases from 3 to 2 mm. Found in hatchery trough June 19, 1900. 



4 



Cylindric case of small pieces of wood. A large, flat, rectangular piece 

 of wood 10x12 mm is beneath the forward end. A long round piece 

 runs along the upper side. Length of this piece 10 mm ; diameter 2 mm. 

 The case proper measures 10 mm, with a diameter of from 4 to 6 mm. 



5 



Case of hemlock leaves fastened by their bases. The other ends stand 

 out obHquely from the case. Length 17 mm. Diameter 8 mm. 



6 



Cyhndric case made of silk with bits of bark; a hemlock leaf lies flat 

 on each side of the case. Length 11 mm. Width 2 mm. 



LIST OF ADULT CADDIS FLIES FOUND AT SARANAC INN 



Phryganeidae 



Phryganea cinerea Hag. (pi. 30, fig. i) August 5 

 Phryganea vestita Walk. July 25 

 Neuronia dossuaris Say. August 10 

 Neuronia postica Walk. July 1 6 



