92 THE NATURALISTS' DIRECTORY. [U. S. & CAN, 
2241 Groesel, Charles E., Akron, Summit Co., Ohio. Ent., Geol. 
C. Ex. 
2242 Groff, Prof. George G., M.D., Lewisburg, Pa. Nat. Hist. 
C* 
2243 Gross, C. A., Landisville, Atlantic Co., N.J. Bot. C. of 
pine barren plants. Herbarium specimens for sale.* 
2244 Groth, Christian F. , 139 East 4Uth St. , New York, N. Y. Ent* 
2245 Gruber, F., Cur. Mus., Golden Gate Park, San Francisco, 
Calif. Gen. Zool, Ool* 
2246 Grumbling, Christian M., A.M., Prof. Nat. Sci., Iowa Wes- 
leyan Univ., Mt. Pleasant, la. Chem., Phys., Geol., ZooL. 
Bot. 
2247 Grundel, J. G., Alma, Santa Clara Co., Calif. Ent., Lepid. 
General Collector. Cocoons a spec. C. Ex.* 
2248 Grunow, J., Microscopes, Mic. Objectives, and other 
Optical and Physical instruments of precision, 621 6th 
Ave., New York, N.Y.? 
2249 Grupe, Albeit F., 286 Parliament St., Toronto, Canada, 
Tax., Ool., Orn., Ent. C. Ex. 
2250 Gudeman, Edward, Ph.D., Prof. Chem., 931 No. 12th St., 
Philadelphia, Pa. Org. and Inorg. Chem., Physics, Mic. 
2251 Guignard, J. A., B. A., Experimental Farm, Ottawa, Can. 
Bot. , Hymenopt.* 
2252 Guild, Frederick Taft, 10 Pitman St., Providence, K.I. Org. 
and Inorg. Chem* 
2253 Gunckel, L. W., 121 W. 2nd St., Dayton, Ohio. Geol. r 
Anth., Arch., Ethnol. C. Ex. rare fossils, mins., etc., for 
rare Arch. spec, of all kinds. Correspondence solicited 
Books and papers on Mexican & Central Amer. antiquities 
desired. 
2254 Gundlach, Ernst, care Gundlach Optical Co., Kochester, 
N.Y. Elect., Mic., A*t. 
2255 Guppage, William, Wmfield, Kan. Min., Mic., Orn* 
2256 Gurley, Mrs. Anna S., Danville, 111. Con., Crust., Invert. 
Zool. C. Ex. fossils for above.* 
2257 Gurley, Eevere R, U.S. Fish Com., Washington, D. C. In- 
vert. Palceo., Sir at. Geol., Mic., Zool* 
2258 Gurley, William F. E., Danville, 111. Invert. Palwo. C. 
Fossils to Ex.* 
2259 Guthrie Ossian, C.E., M.E., Chicago, 111. Strat. Geol., Gla- 
cial of the ''Chicago Divide," & Upper Lake region, Lithol. 
2260 Guttenberg, Gustave, Teacher Biol., Central High School, 
Pittsburg, Pa. Bot., Ferns, Min. C. Ex.*, 
2261 Guye, Mrs. E. W. P., 1215 3d St., Seattle, Washington.* 
2262 Gwyn, Chas. L., A.B., M.D., 2009 Market St., Galveston,, 
Texas. Moll., Radiates, Minerals, Spec. Marine products, 
Coast of Texas. C. Ex.* 
2263 Haag, D. E., M.D., F R.M.S., Prof. Materia Medica, Thera- 
peutics and Mic., Toledo Medical Coll., 1121 Washington 
St., Toledo, Ohio. Mic., Anat., Osteol., Histol. C. Ex.* 
