17 



The Academy of Natural Sciences, Philadelphia. 



Proceedings, 1888, part 3 ; 1889, parts 1, 2. 



The American Entomological Society, Philadelphia. 

 Transactions, vol. xv., nos. 2-4 ; xvi., uos. 1-3. 



The American Philosophical Society, Philadelphia. 



Proceedings, vol. xxv., no. 128 ; xxvl, no. 12d. 



The Franklin Institute, Philadelphia. 

 Journal, 1889. 



The American Association for the Advancement of Science, 

 Salem. 



Proceedings, 37th Meeting, Cleveland, 1888. 



The California Academy of Science, San Francisco. 



Memoirs, vol. ii., no. 2. 



Proceedings, ser. ii., vol. i., parts 1, 2. 



The Canadian Institute, Toronto. 



Proceedings, ser. 3, vol. vi. fasc. 1. 



The Trenton Natural- History Society, Trenton. 

 Journal, vol. ii., no. 1. 



The Smithsonian Institution, Washington. 



Annual Eeport, 1886, part 1. 



The United States Geological Survey, Washington. 

 Bulletin, nos. 40-47. 



The United States National Museum, Washington. 



Bulletin, nos. 13-16, 20-22, 24, 27, 28, 30-32. 



The Natural History Society, Wisconsin. 

 Occasional Papers, vol. i. 



