U. S. & CAN., THE NATURALISTS' DIRECTORY. 53 
Cry stall.. Meteo. Specialty, gold and silver mining pyrites. 
C. Ex.' 
1266 Crampton, Charles A., M.D., Chemist, Internal Revenue, 
U.S. Treas. Dept., Washington, D. C. Chem* 
1267 Crandall, A. R., A.M., Ph.D., Milton, Wis. Geol* 
1268 Crandall, Chas. S., M.S., Prof. Bot. and Hort., State Agric. 
Coll., Fort Collins, Colo. Bot., Hort* 
1269 Crandall, Chauncey W., Wopdside, Queens Co., N.Y. On., 
Ool., Tax. C. Ex. Desires to exchange both Am. and 
Foreign birds' eggs with all collectors; sets of the 
Caprimulgidae and Falconidse espec. wanted. Eggs of the 
Great Bustard taken in exchange, in any quantity. Deal- 
ers please send price lists.* 
1270 Crandall, O. A., Sedalia, Pettis Co., Mo. Min., L. and F. W. 
Shells. C. Ex.* 
1271 Crane, E. H., Niles, Mich. Arch. 
1272 Crane, Marcus S., Caldwell, N. J. Herpetol, Ent. C. Ex. 
1273 Crane, Walter, Steel Works Club Mus., Joliet, 111. Phcen. 
Plants, Ferns, Min., Cry stall., MetalL, Zool, Arch. C. Ex.* 
! 1274 Cratty, R. I., Armstrong, Emmett Co. Iowa. Phoen. Bot., 
\ * Ferns, Mosses.* 
1275 Graver. D. Howard, 80 Clinton Ave., Albany, N. Y. Min., 
Elect. C. Ex. 
1276 Crawford, F. M., Cairo, 111. Palceo., Geol., Min., Arch., On., 
Ool., Tax., Ent: Coleopt. C. Ex. 
1277 Crawford, Joseph, 2822 Frankford Ave., Philadelphia, Pa. 
Bot: Phcen. and Crypt. Plants, Ferns. C. Ex.* 
1278 Crawford, J. C., A.M., Milwaukee, Wisconsin. Mic., Dia- 
toms, Desmids, Ent., Bacteria, Crypt. Bot. C. 
1279 Crawford, M. B., A.M., Middletown, Ct. Phys* 
1280 Crawley, J. T., A.B., Chemist to Sugar Land Sugar House 
and Refinery, Audubon Park, New Orleans, La. Min., 
Chem., Phys* 
1281 Creelman, G. C., A.M., M.D., Agricultural Coll., Oktibbeha 
Co., Miss. Gen. Bot., Geol., Mic. C. Ex. in Bot. 
1282 Cressman, N. F., Chestnut Hill, Philadelphia, Pa. Bot* 
1283 Cresson, Ezra T., Box 1577, Philadelphia, Pa. Ent : 
Hymenopt.* 
1284 Cresson, Geo. B., Acad. of Nat. Sciences, Phila., Pa. Hy- 
menopt. of the world; Aculeata especially. Wishes Aculea- 
ta Hymen, from all parts of the world in ex. for Am. C. 
Ex. 
1285 Cresson, Hilborne T., M.D., "The Gladstone," Phila., Pa. 
Arch.. Eth. 
1286 Crew, Henry, Ph.D., Instructor Phys., Haverford Coll., Mont- 
gomery Co., Pa.: Lick Observ., Mt. Hamilton, Calif. 
Phys. 
1287 Crew, Henry, Evanston, 111. Ast. 
1288 Grim, A. B., Middleville, Herkimer Co., N.Y. Min., CrystalL* 
1289 Critchley, J. Wm., Bureau Nat. Hist., Southwick andCritch- 
ley, 354 Westminster St., Providence, R.I. Mammals, O#. 
Ool, Con., Min., Fine Tax* 
