50 THE NATURALISTS' DIRECTORY. [U. S. & CAN. 
1192 Cook, Marcus, Rockport, Monroe Co., N.Y. If in., Tax. C. 
Will exchange birds for birds of other localities, or min- 
erals. Buffalo and large steers' horns wanted.* 
1193 Cooke, Mrs. B^lle W., Salem, Ore. Ferns. C.* 
1194 Cooke, Clinton T., Rush Med. College, Chicago, 111. Orn., 
OoL. Tax. C.? 
1195 Cooke, Josiah P., Prof. Chem. and Mia., Harvard Coll.,Cam- 
f >U bridge, Mass.* 
1 1198 Cooke, Wm, T.. Providence, R.I. Min. C. Ex.? 
1197 Cooley, Geo. W., C.E., Boston Block, Minneapolis, Minn. 
GeoL, Min. C. Ex. 
1198 Cooley, Grace E., Wellesley College, Wellesley, Mass. His- 
tology, 'Phcen. Bot. C. Will exchange Phaen. Plants.* 
1199 Cooley, Miss Helen, Teacher of Chem. in Dr. Sach's School 
for girls, care of Dr. J. H. Cooley, Plainfield. N. J. Physics, 
Chem.? 
1200 Cooley, Prof. LeRoy C., Ph.D., Vassar Coll., Poughkeepsie, 
N.Y. Chem., Phys * 
12?fl Cooley, Prof. Mortimer E., Prof, of Mechanical Engineering, 
Univ. of Mich., Ann Arbor, Mich.* 
1202 Cooley, Nathan T., Knoxyille, Iowa. Palceo., Min., OoL C. 
Ex. 
1203 Cooltdge, Aug. B., M.D., 717 llth St., N.W., Washington, 
D.C. Diatoms, Mic., HistoL, Ent. C. Ex.* 
1204 Coomes, Martin F., A.M., M.D , Prof. Physiol., etc., Ky. 
School of Med., 423 W. Chestnut St., Louisville, Ky. Hort., 
Agric., Palceo., Geol.,Phys., Elect., Mic., Gen. Biol., Anat., 
Arch., Eth. C.* 
1205 Coon, Floyd T., Milton, Rock Co., Wis. Zool., Arch., OoL, 
Tax. C. Ex.* 
1206 Coon, H. C., A.M., Md., Ph.D., Alfred Univ., Alfred Centre, 
Allegany Co., N.Y. Phys., Chem. C. Ex.* 
1207 Coonradt, Jacob H., Teacher of Chem. and Physics, Hi^h 
School, Decatur, 111. Chem., Phys., Bot., Zool. C. in Bot. 
Ex.* 
1208 Cooper, Sllwood, Santa Barbara, Calif. Hort., Diseases pe- 
culiar and destructive to semi-tropical fruits. Parasite in- 
sects that prey upon noxious insects, and prevent the destruc- 
tion of the plant or its fruit.* 
1209 Cooper, J. C., Topeka. Kan. Min. C. Ex.* 
1210 Cooper, J. G., Hay ward, Alameda Co., Calif. Bot., ZooJ., 
GeoL, Palce.o., Anth., Arch., Mam., Orn., HerpetoL, Moll. 
Ex. for books only.* 
1211 Cooper, W. T., Man. of estate of Henry Whitall, P.O. Box 
69, Wood bury, N. J. Movable Planispheres, Heliotelles. C. 
Ex.* 
1212 Cope, Prof. Edw. D., Prof. Geol. Univ. of Pa., 2102 Pine St., 
Phildelphia, Pa. Vert. Palceo., Vert. Zool.. GeoL C. Ex.* 
1213 Copeland, W. L., M.D., C.M., M.R.C.S., Prof. Anat., Chica- 
go Coll. Dental- Surgery, 866 West Monroe St., Chicago, 111. 
1214 Copeland, W. R., B.A., Mass. Inst. Tech., Boston, Mass.* 
