10 CONNECTICUT GEOL. AND NAT. HIST. SUBVEY [Bull. 



Isotoma Bourlet. 

 grandiceps Reuter. U. S. Nat. Mus., Bull. 168, 108. 



Lepidocyrtus Bourlet. 

 cyaneus Tullberg. Collembola of Iowa, 72. 



Pseudosinella Schaffer. 

 violentus (Folsom) var. rolfsi Mills. Collembola of Iowa, 76. 



Orchesella Templeton. 

 hexfasciata (Harvey). Collembola of Iowa, 79. 



Tomocerus Nicolet. 

 flavescens (Tullberg). Proc. U. S. Nat. Mus., 46, 457. 



Order PLECOPTERA. 



Stoneflies 



Family PTERONARCID^l. 



Pteronarcys Newman. 

 biloba Newman. Plecop. N. A., 40. 



Family PERLID^l. 



Togoperla Klapalek. 

 capitata Pictet. Perla. Plecop. N.A., 96. 



marginipes Provancher. Regarded by some authors as a 

 synonym of the preceding. Ibid., 96. 



Alloperla Banks. 

 imbecilla Say. Plecop. N.A., 125. 



Neoperla Needham. 

 occipitalis Pictet. clymene Newman. Plecop. N.A., 135. 



Clioperla Needham and Claasen. 

 similis Hagen. Plecop. N.A., 138. 



Isoperla Banks. 

 bilineata Say. Plecop. N.A., 154. 

 mem tana Banks. Ibid., 155. 

 mohri Frison. Bull. 111. St. Nat. Hist. Surv., xx, 455. 



