1893.] NATURAL SCIENCES OF PHILADELPHIA. 309 



— all that I have seen visiting the flowers perforate the tube. It was 

 interesting to note at Seal Harbor, that the species comparatively 

 abundant on July 13, always entered by the mouth. I could find 

 no flowers with the corolla tube perforated. It was interesting fur- 

 ther to note that though there were cases of light colored flowers, 

 the prevailing tint was of a much brighter rose than clover fields 

 further south present. 



