1917 EXTOMOLOGICAL SOCIETY. 167 



Coeaagrionidae. 



Coenagrion angiilatum E. M. Walker/ Ked Deer, Alta., July 5-21; Innis- 

 fail, Alta., July G. Xew to Alberta list, (Whitehouse). 



Libellulidae. 



1?3. Cordulia srhurl]cf]i Scudtl. Ked Deer, Alta., June 6-July 5. New to 



Alberta list, (Whitehouse). 

 139. LibeJhila quadrimaculaia Linn. Eed Deer, Alta., Juno 8-Aug. 6. New 



to Alberta list, (Whitehouse). 

 IGl. Synipetnun costiferum Hagen. Eed Deer, Alta., Aug. 5-Sept. 30. New 



to Alberta list, (Whitehouse). 

 1G6. Leucorrhinia borealis Hagen. Ked Deer, Alta., nymph (with teneral), 



June 18, previously unknown, (Whitehouse). 

 16G. Leucorrhinia glacialis Hagen. Eed Deer, Alta., July 5. New to Alberta 



list, (Whitehouse). 

 1G7. Leucorrhinia intacta Hagen. Red Deer, Alta., June 24-July .20. New to 



Alberta list, (Whitehouse). 

 167. Leucorrhinia proxima Calvert. Eed Deer, Alta., June IT-July 23; New to 



Alberta list; also the nymph, June 17, previously unknown, (Whitehouse). 



Thysanura. 



These insects have, as yet, received but scant attention in Canada. Mr. 

 Chas. Macnamara, of Arnprior, Ont., is keenly interested in the Collembola, and 

 in addition to Istoma nigra MacG., mentioned in the 1913 record, he has found 

 on the snow at Arnprior, the following species : 



Isotoma ■palu^iris Miiller. Dec. and Jan. 

 Lsotoma viridis riparia Nieolet. March. 

 Entomobrya muUifasciata Tull. Dec. 

 Tomocerus fiavescens americanus Schott. Dec. 

 Achorutes socialis Uzel. All winter. 

 Achorates armatus Nieolet. Dec. 



In a paper entitled " North American Collembolous Insects of the Subfamilies 

 Achorutinae, Neanurinne and Podurinae," by Dr. J. W. Folsom. the following species 

 from Canada is described : 



* Achorutes pseudarmatus Folsom. Kaslo, B.C., (Cockle); Proc U.S.N.M., 

 Vol. 50, p. 490. 



SiPHONAPTERA. 



The following species were determined by the Hon. N. Charles Eothschild: 

 Ceratophyllus arctomys Baker. Perce, Que., from ground hog, June 19, 



1915, (Taverner). 

 Ceratophyllus hruneri Baker. Aweme, Man., Jan. 15, 1914, from Taa-idea 



ioj-ns, (S. Criddle). 

 Ceratophyllus agilis Eoths. Aweme, Man., Feb., 191.5, from Mustela 



cicognanii, (S. Criddle). 

 Ctenocephalus canis. OUawa, Ont., Oct. 27, 1915, (Hewitt). 

 Leptopsylla hygini Roths.' Aweme, Man., Feb., 1915. from Mustela 



cico{jnanii, (S. Criddle). 



