entomologists’ directory. 
15 
Groth, C. F., 141 E. 40th St., New York, N. Y. Gen. Ent. Coll. Exch. 
Gruber, C. L. , Kutztown, Pa. General Entomology. Coll. Exch. 
Grundel, J. G., Alma, Santa Clara Co., Calif. Lepid. Coll. Exch. 
Grupe, Albert E. H., 286 Parliament St., Toronto, Canada. Lepidoptera. 
Collection. Exchange. 
Guignard, J. A., Experimental Farm, Ottawa, Ont., Canada. Hymenop- 
tera , Economic Entomology . Collection. 
Guion, L. P., in E. 47 th St., Chicago, 111 . General Entomology. 
Haimbach, Frank, 1309 Allegheny Ave., Philadelphia, Pa. Lepidoptera. 
Collection. Exchange. 
Hall, Alfred P., 16 Wentworth St., New Dorchester, Mass. Lepidoptera. 
Collection. Exchange. 
Hall, Frank J., M.D., 228 Olive St., Kansas City, Mo. Lepidoptera (esp. 
Noctuidce). Local collection. Exchange. 
Halsted, J. Henry, Rye, N. Y. Lepidoptera. Collection. Exchange. 
Ham, Oliver H., 124 Hungerford St., Sta. A, Hartford, Conn. Hymen. 
Hamblin, II. H., Lock Box 69, Mohawk, N. Y. Gen. Ent. Coll. Exch. 
Hammatt, Mrs. Mary L., 30 Norway Park, Hyde Park, Mass. Gen. Ent. 
Hammel, Wm. C. A., Maryland State Normal School, Baltimore, Md. 
Coteoptera. 
Hampson, John J., 71 Cutler St., Newark, N. J. Lepid. Coll. Exch. 
Hancock, Dr. Joseph L., 3148 Indiana Ave., Chicago, 111 . Orthoptera 
( Tettiginee ). Collection. Exchange. 
Hanham, A. W., Bank of British N. Amer., Winnipeg, Man , Canada. 
Lepidoptera. Collection. Exchange. 
Hankins, D. S., Camp Hill, Pa. Lepidoptera. Collection. 
Hare, Sid. J., Supt. Forest Hill Cemetery, Kansas City, Mo. Economic 
Entomology. Collection. 
Hargitt, Charles W., Ph. D., Syracuse University, Syracuse, N. Y. Food 
Habits , etc., of Insects. 
Harkness, Miss F. Anna, 1909 Tioga St., Philadelphia, Pa. Lepid. Coll. 
Harney, G. W., Marysville, Calif. Hemiptera. Collection. 
^Harrington, W. Hague, P. O. Dept., Ottawa, Ont., Canada. Hymenop- 
tera. Coll. Exch. esp. desire Tenthredinidce and Uroceridce. 
Harris, Geo. H., 27 Pleasant St., Beverly, Mass. Lepid. Coll. Exch. 
Harris, Sarah E., Eldorado, Calif. Hymenoptera (Crabronida), Diptera. 
Collection. Exchange. 
Hart, Lawrence M., Kirksville, Mo. Coteoptera. Collection. Exchange. 
Hartmann, C. F., 214 West 84th St., New York, N. Y. General Ento- 
mology. Collection. Exchange. 
Harvey, E. K., 1806 W. nth St., Los Angeles, Calif. Lepidoptera 
( Rhopatocera ). Collection. Exchange. 
Harvey, Francis L., University of Maine, Orono, Me. Economic Ento- 
mology, Odona/a, Thysanura. Collection. Exchange. 
Harvey, J. C., P.O. San Juan Evangelista, Estado de Vera Cruz, Isthmus 
of I ehuantepec, Mexico. Lepidoptera. Collection. Exchange. 
