66 ENTOMOLOGICAL SOCIETY. 



In Mary Lake there are seven small islands of various sizes, one probably covering 

 an acre or even two, while another would only contain about enough room upon which to 

 build a fair sized house. These islands for the mo3t part are composed of solid rock, with 

 only probably a few feet of earth on the surface. In fact throughout the whole district 

 there is nothing but rocks, rocks, rocks. On some of the islands there is a considerable 

 growth of trees,'shrubs etc., while others seemel to be quite bare. A curious sight often 

 observed in the Muskoka country ig large trees growing out of a crevice in what appears 

 to be solid rock. To a casual observer there is considerable mystery in this, and as I 

 have not looked into the matter, I am unable to throw any light thereon. 



Certain rocks, on the islands, as well as on the mainland, sink, as it were, straight 

 down into the water often to a depth of 30 feet and more. These rocks are not loose, in 

 the ordinary sense of the word, but are a part of and joined to the mainland or island as 

 the case may be, and often reach a height of probably one hundred feet or more. It 

 will be readily seen, therefore that even the most delightful resorts, are not always the 

 safest, but have their treacherous surroundings, and it is a wonder more drowning 

 accidents do not occur throughout the many lakes that make Muskoka the attractive 

 place it is. 



From an entomological point of view, Muskoka ought to offer grand inducements to 

 the collector, a9 vegetation in most places is simply in the wild state, and miny good 

 captures could no doubt be recorded. The month of August, the time of the writer's 

 visit, is too late for general work, but for the collector of Noctuidae there should be a 

 good harvest during that month, as there are numerous good places for " sugaring " pur- 

 poses. About the 1st of July, I think, would be the most profitable time to visit 

 Muskoka, as insects generally are most to be had about that time. 



However, during my vacation at Port Sydney I noticed the following species of 

 butterflies, viz Argynnis Cybele, Atlantis, Aphrodite and Myrina, all of which seemed 

 fairly common, with Myrina the most plentiful. The first three named were mostly 

 worn specimens, only a few of those taken being presentable Pieris rapae, Colias 

 Philodice and Chrysophanus Hypophlaeas were also common. The latter was the com- 

 monest of all those noticed. Everywhere this little butterfly was to be seen 

 flitting about, and the majority of the specimens were in good condition. A few 

 specimens of Danais archippus (Fig. 30), and Grapta progne (Fig. 35), were 

 observed, and of the Limenitis, disippus (Fig. 36) seemed fairly plentiful, 



Fig. 35. Fig. 36. 



whilst""" but a single specimen of Arthemis came to view, no doubt owing 

 to the lateness of the season. Besides these I noticed quite a number of specimens of 

 Feniseca tarquinius, but could not manage to secure a single one. These interesting 

 butterflies have a peculiar habit of flying anywhere but in the direction the collector is 

 looking. They were all flying in close proximity to the alder bushes, on which their lar- 

 vae feed upon a species of aphis. 



.<■,;' Among the moths I took Catocala relicta and concumbens, also a few other noctuids, 

 some of which were new to me, and I noticed the wings of Euprepia caja lying upon the 

 sand, the^body of which some enemy had secured. 



