ECOLOGY OF NORTHERN MICHIGAN. 103 



the beach. The one captured in the clearing was the only one observed 

 there. They were numerous on the face of the cliff, but, owing to the diffi- 

 culty in scaling the precipice, only one could be secured. Both on the cliff 

 face and beach, they made but short flights when disturbed, and if not 

 pursued soon settled on the rocks again. After alighting they settled 

 close to the rocks with their wings outspread, now and then raising them 

 above their back, but quickly lowering them again. 



6. Grapta progne Cramer. I. One specimen of this butterfly was taken, 

 flying over the beach of Lake Superior, August 11. 



7. Vanessa j-album Boisduval and Leconte. This form was taken on 

 the beach of Lake Superior, I, on August 11. Two individuals were collected 

 in the clearing, II. 3, on August 5, and August 7. III. 2. One specimen was 

 also found on the talus slope, July 21. 



8. Vanessa antiopa Linn. I. One taken on the beach of Lake Superior, 

 August 11. This butterfly was not often seen. It was twice recognized 

 in the clearing, II. 3, once on the shore of Carp Lake, V. 1, and once in the 

 beaver meadow on Little Carp river, VII. 2. 



9. Basilarchia arthemis Drury. This, form was found to occur on the 

 beach of Lake Superior, I, in the clearing and surrounding aspen zone, II. 

 3, 4, in the cassandra zone on Carp river, IV. 2, and in the beaver meadow. 

 It is a very common form in this region, being apparently of general distribu- 

 tion in clearings 



10. Thecla edwardsii Saunders. III. 2. One specimen was collected on 

 a goldenrod on the mountain top, August 10. 



11. Colias philodice Godart. I. Two specimens were taken on hare- 

 bells on the beach of Lake Superior, August 30, and three flying about, 

 August 11. II. 3. One was found on a cow parsnip in the clearing, August 

 7. "Yellow" butterflies were not often observed 



12. Catocala unijuga Walker. II. 3. One specimen was found in a 

 crevice between the logs of the camp shack in the clearing, August 5. 



13. Hypoprepia miniata Kirby. III. 6. On a huckleberry bush on the 

 "bald" mountain top, August 11. 



14. Actias luna Linn. II. 2. A single specimen was taken on a hemlock, 

 July 15. 



b. Isle Royale. 



Basilarchia arthemis and Colias philodice were both common in the clear- 

 ings. One specimen of Vanessa antiopa was seen in a clearing, September 3. 



c. Notes on the Collection of Butterflies, by Prof. A. J. Snyder. 



Of all the lot the most interesting are the two varieties of the female of 

 Argynnis cybele, which so closely resemble the female of Argynnis leto as to 

 startle one. The same form was found in the Lake Superior region by Mr. 

 Bates of Chicago. I believe two specimens of this form are now in the col- 

 lection of Mr. John Healey of Chicago. The two specimens listed above well 

 illustrate geographic variation. 



Dr. Holland speaks of Carpenterii, the variety of cybele found in New Mexico 

 and Colorado, and claims a similar form is found in Labrador and Canada; 

 also on the mountains of Carolina. The largest forms of cybele I have seen 

 are from Tennessee. Argynnis leto is a western species common in Utah 

 .-and seme parts of Colorado. The dark female, at its best, is a handsome 

 specimen, and that a female of cybele should be found in the Superior country 

 is. enough to make one question the ancestory of leto. Of one thing we are 



