19 Bilag 1871. 



218. Proceedings. Vol. VIII, p. 137—296. 



The American Association for the Advancement of Science, Cam- 

 bridge, Massachusetts. 



219. Proceedings. Eighteenth meeting, held at Salem, Massa- 

 chusetts. 1869. Cambridge 1870. 



The Superintendent of the U. S. Coast Survey, Washington. 



220. Report. 1867. Washington 1869. 4to. 



The American Philosophical Society , held at Philadelphia, for 

 promoting useful knowledge. 



221. Proceedings. Vol. XI. 1870. No. 83—85. 



222. Transactions. New Series. Vol. XIV, Part 1, 2. Phila- 

 delphia 1870. 4to. (Part 2, 2 Expl.). 



The Academy of Natural Sciences of Philadelphia. 



223. Proceedings. 1870. Philadelphia 1870- 



The Peabody Academy of Science, Salem, Massachusetts. 



224. Second and third annual reports of the trustees of the 

 Academy. 1869, 1870. Salem 1871. 



225. A. S. Packard. Record of American Entomology. 1869. 

 Salem 1870. 



226. The American Naturalist. Vol IV, N»^ 3—12; V, N« 1. 

 1870—71. Salem. 



The Peabody Institute of the City of Baltimore. 



227. Fourth annual report. 1871. Baltimore 1871. 



The Boston Society of Natural History. 



228. Proceedings. Vol. Xlil, p. 225 — 368. 



229. Memoirs. Vol. II, Part 1. 



The Connecticut Academy of Arts and Sciences, New Haven. 



230. Transactions. Vol. I, Part 2; II, Part 1. New Haven. 



1867—71. 



The Minnesota Historical Society. 



231. Annual report. 1870. St. Paul 1871. 



232. Collcctions. Vol. II, Part 1-4; III, Part 1. 1860-70. 



