THE CANADIAN ENTOMOLOGIST. 



incidents connected with the foundation of the Club, showing how it had 

 developed from a mere bond, holding a few enthusiasts together, into an 

 active and influential organization, taking an important part in the educa- 

 tional development of the country. In addition to having in a large 

 measure effected its prime object of working up the local natural history of 

 the Ottawa district, it had provided opportunities for delightful recreation 

 and improvement to the many hundreds, or even thousands, of lovers of 

 the country and of natural history, who had, during the twenty-five 

 years, attended the excursions and evening meetings where the popular 

 presentation of science had always been kept well to the front. 



The meeting ended with short and appropriate speeches by Dr, 

 Robert Bell, ilie director of the Geological Survey, and Prof. Macoun, 

 the eminent botanist. A vote of thanks was proposed by Mr. W; H. 

 Harrington, and seconded by Mr. James Ballantyne. in a happy manner. 



A NEW FOOD-PLANT FOR THE COMMON SPRING BLUE. 

 Cyaniris ladoii, Cramer, a. Iticia, Kirby. 

 This is the new name for our old friend, LycctJia pseudargiohis, var. 

 lucia. An interesting observation was made on the oviposition of this 

 species by Mr. C. H. Young, of Ottawa. On June 4th, when at Meech 

 Lake, Que., noticing a female lucia fluttering around a patch of the common 

 Ox-eye Daisy, Chrysanthemum leucanthemum, L., he watched it carefully 

 and saw that it ^vas laying eggs upon the buds of this plant. In no case 

 was a full-blown Hower visited, the eggs being invariably laid on the small 

 buds, which were from a quarter to three-eighths of an inch in diameter. 

 After watching the insect for some time, the three last buds visited were 

 gathered and the eggs secured. The operation of egg-laying was, as is 

 u^tially the case with this species, as follows: Settling on the top of a 

 flower, the female crawled to the edge of the bud, and then turning her 

 abdomen down beneath it thrust the egg as far out of sight as possible, 

 just at the base of the bracts, where there is a slight swelling which hides 

 them to a certain extent. The only plants belonging tu the Compositae 

 recorded by Dr. Scudder as food-plants of Cyaniris ladon ( Pseudargiolus) 

 arc Vcrbesina helianthoides and Actinomeris squarrosa, neither of which 

 occurs in Canada. The other plant inadvertently stated by Dr. Scudder 

 as belonging to the Compos'nse, Dimor/haufhus mau/churicus, is a member 

 of the Ginseng family, Araliacca^. — J Fletcher. 



