U. S. & CAN.] THE NATURALISTS' DIRECTORY. 9 
193 Atkinson, Wm. G., Office of Consulting Engineering, Goel. 
Surveys, Mining Researches and Scientific Specialties in 
all parts of America, 1957 Anthony Ave. (Tremont), New 
York, N. Y.? 
194 Atterbury, Rev. Anson P., Ph.D., D.D., 145 West 86th 
St., New York, N. Y. Arch., Eth* 
195 Attwater, Henry P., Rockport, Aransas Co., Texas. Mam., 
Orn., Ool., Indian Relics and Curiosities. C. Ex.* 
196 Atwater, Richard M., A.M., Solvay Process Co., Syracuse, 
N. Y. Inorg. Chem., Glass, Mic.* 
197 Atwater, W. O., Prof. Ctiem., Wesleyan Univ., Middle- 
town, Ct. Chem.* 
198 Atwell, Charles B., Ph.M., Prof. Biol., College Liberal 
Arts, Northwestern Univ., Evanston, 111. Biol., Algce.* 
199 Atwood, E. S., East Orange, Essex Co., N. J. Mic.* 
200 Atwood, H. F., F.R.M.S., Rochester, N. Y. Mic., In- 
fusoria, Parasites. 
201 Atwood, Horace, B.S., East Genoa, N.Y. Bot., Phcen. 
Plants, Agric., Chem.* 
202 Atwood, W. P., S.B., Belmont Ave., Lowell, Mass. Bot., 
Chem., Ent. C. 
203 Austen, Peter T., Ph.D., F.C.S., Chem. Expert and Gen. 
Manager of the Ledoux Chem. Lab., 9 Cliff St., New 
York, N.Y. Chem* 
204 Austin, A. C., 2510 Park Ave., Kansas City, Mo. Geol., 
Min., Cry stall. C. Ex. 
205 Austin, E. P., Assayer, 1001 South 8th. West St., Salt Lake 
City, Utah. Ent: Coleopt* 
206 Auxer, Samuel, 150 S. Prince St., Lancaster, Pa. Ent: 
Lepid., Coleopt. C. Ex. only in Coleopt.* 
207 Averell, Wm. D., Mount Airy, Philadelphia, Pa. Mic., 
Moll. Desires Foreign Correspondents. Founder of the 
Conchologists' Exchange and formerly Publisher of the 
Nautilus. Will exchange rare shells for Mic. Slides.* 
208 Averill, Charles K., Jr., Bridgeport, Ct. Orn., Bot. C. 
Ex. in Ferns and Orchids.* 
209 Avery, Chas., Ridgeway, Ont., Canada. Ent. Lepid. 
Coleopt. C. Ex. 
210 Avery, Elroy M., Ph.D., 657 Woodland Hills Ave., Cleve- 
land, Ohio. Chem., Physics., Elect., Anth., Arch., Eth.* 
211 Avery, George R., Locke, Ingham Co., Mich. Bot 
Lichens, Geol., Min., Geog. Distribution, Orn. C. Ex. 
212 Avery, Gerrit S., It Nonotuck St., Holyoke, Mass. Phil- 
ately, Numis. C.* 
213 Avery, L. B., Mayville, N. Dak. Geol., Chem , Phys* 
214 Avery, R. S., 320 A St., S.E., Washington, D.C. Member 
Phil. Soc. of Washington, and its Mathematical Section. 
Memb. Am. Assoc. for the Adv. of Science; Amer. Soc, 
for the Extension of University Teaching; Ast. Soc. of 
the Pacific.* 
