U. S. & CAN.] THE NATURALISTS' DIRECTOEY. 261 
New Jersey State Microscopical Society. Instituted, April 17, 
1871; incorporated, Feb. 16, 1880. Rev. Samuel Lockwood, 
Freehold, N. J , Pres.; Prof. Julius Nelson, New Brunswick, 
N. J., Sec. Meets monthly in Geological Hall, Rutgers College, 
New Brunswick.* 
Princeton Acad. of Sci., Princeton. Incorporated, Jan. 23, 1882. 
Hon. Simon Elliot, Pres. ; Jacob Miller, Cor. Sec. 
Princeton Science Club. Organized 1877. Pres., Prof. C. A. 
Young. Prof. W. F. Magie, Sec.* 
Trenton Natural History Society. Austin C. Apgar, Pres. ; Fred 
A. Lucas, Sec. Publishes Journal. Has Coll. and Library.* 
NEW YORK. 
Agassiz Association, Chapter 811, Nyack-on-Hudson. Organized 
in 1884, for the study of the various depts. of Nat. Sci. Meet- 
ings are held on the second and fourth Wed. evenings in each 
month, excepting July and August. G. D. Wilson, Pres. ; 
Miss Emma Partridge, Sec. ; J. C. Gregory, Cor. Sec.* 
Agassiz Association, Student's Chapter, 949 Z. Organized Feb. 
1880. T. G. White, Prts.; R, C. McCaffrey. Cor. Sec. Meets 
on first and fifth Sat. evenings of each month at 49 W. 20th 
St., New York. N. Y. C. in Min.. GeoL, BoL. Ent. and Con* 
Albany Institute. Incorporated, March 12, 1793. Leonard Kip, 
Pres. ; Ernest J. Miller, Cor. Sec. Library, Collection.* 
American Chemical Society, University Building, Washington Sq., 
New York City. Incorporated, Nov. 10, 1877. H. W. Wiley, 
Washington, D. C., Pres.; A. C. Hale, Brooklyn, N. Y. Gen. 
Sec. Library, F. E. Dodge, Brooklyn, N. Y., Librarian.* 
American Geographical Society, 11 W. 29th St., New York City.* 
American Institute of Mining Engineers. Henry M. Howe, Bos- 
ton, Mass., Pres. (1893); Rossiter W. Raymond, 13 Burling 
Slip, New York City, Sec.* 
American Microscopical Society of City of New York. T. H. Mc- 
Allister, Pres.; O. G. Mason, Sec., Bellevue Hospital, New 
York City. Meetings at residences of members.* 
American Museum of Natural History, Central Park, New York 
City. Incorporated, 1869. Morris K. Jesup, President. Pub- 
lishes " Bulletin" and ''Annual Report." Library of 28,000 
volumes and Museum.* 
American Postal Microscopical Club. Founded 1875. Prof. Sam- 
uel Lockwood, Freehold, N. J., Pres.; R. Halsted Ward, M.D., 
Troy, N. Y., Manager.* 
" Astronomical Department, Brooklyn Institute," (Formerly Am. 
Ast. Soc.) re-organized, 1888, Garrett P. Serviss, Pres. ; James 
P. Hall, Sec. Meets first Monday in each month, Brooklyn 
N. Y. Members 140.* 
Brooklyn Entomological Society, Dept. of Entomology of Brook- 
lyn Institute. Richard F. Pearsall, Pres. ; Prof. John B. 
Smith, Cor. Sec. Publishes " Entomologica Americana." 
Address, Brooklyn, N. Y. Meetings first Tuesday of each 
month, Brooklyn Institute, Brooklyn, N. Y.* 
