22 THE NATURALISTS' DIRECTORY. [U. S. & CAN. 
508 Bigelow, Robert P.. Ph. D., Instructor in Biol., Mass. Inst. 
of Tech., Boston. Mass. Morph. 
509 Bigelow, Robert Payne, 1501 18th St. v N.W. Washington, 
D.C. Zool. 
510 Biggs, Hermann M., M.D., 5 West 58th St., New York, 
N.Y. Bacterial., Palceo. 
511 Bigney, Andrew J., A.M., Johns Hopkins Univ., Baltimore, 
Md. Bot . Geol.. Mic., Photog., Zool, Gen. Biol., Emb., 
Orn , Histol , Ent* 
512 Bilgram, Hugo, 440 N. 12th St., Phila., Pa. Mic., Fungi. 
C. Ex.* 
513 Billings Geo. TL, 706 Huntington Ave., Boston, Mass. Met- 
all, Phys., Chem.. Min. 
514 Billings, Hosmer H., Elmira, N.Y. Ent , Orn.? 
515 Billings, John S.. Surgeon General's Office, U.S.A., Wash- 
ington, D.C. Fungi, Mic., Bibliog., Gtn. Biol., Bacter- 
iol , Hygiene. Anth* 
516 Billings, Walter R., Ottawa, Can. Invert. Palceo. Ex. 
Trenton group only.* 
517 Billings'^a. Dr. James, 15 West Saratoga St., Baltimore, 
Md. Elect. 
518 Bingham, Oliver P., 726 Eaclid Ave., Cleveland, Ohio. 
Lepid. C. Ex.* 
519 Binney, W. G., Burlington, N.J. Am. Land Shells. C.* 
520 Bioletti, Fredprick T., Univ. of Calif., Berkeley, Alameda 
Co., Calif. Bot. C. Ex.* 
521 Bird. Henry, Rye, W. Chester Co., KY. Lepid. C. Ex. 
522 Birdspye, R. Pomeroy, 391 Genesee St., Utica, N.Y. Nat. 
Hist. C* 
523 Birge, Charles P., Keokuk, la. Geol. C.* 
524 Birue, Edward A., Prof. Zool., Univ. Wis., Madison, Wis. 
Zool., JSntomostraca.* 
525 Bukiubiue, John, 25 North Juniper St., Philadelpha, Pa. 
Min., Hydraulics, Metall., Phys * 
526 Birkmauu, R- v. Gotthilf, Feciur, Texas. Ent: Hymenopt. a 
specialty, Coleopt.* 
527 Bnuie, (Japt. Rogers, U.S.A., Ordnance Office, Washing- 
ton D.C. Afcst. on gun construction.* 
528 Bischoff, Chas., 66^ 17th Ave., Newark, N.J. Coleopt. C. 
Ex. 
529 Bi.schoff, Edwin A., 3G9 Bergen St., Newark, N.J. Ent., 
Coleopt. C. Ex * 
530 Bi.-choif, Martiu, S.J., Prof. Canisius Coll., Buffalo, N.Y. 
Palceo., Geol., Min. C. Ex.* 
531 Biscoe, Thus. D., Prof. Biol , Marietta Coll., Marietta, O.* 
532 Bishop, Chas. L., Antiquarian. 304 East Third St., James- 
town, N.Y. Fitnyi, Vert. Palceo., Geol., Reptiles, Ltpid., 
lladiatrs, jyumix. C. Ex.* 
5o3 Bi>ho|>, Irving P., Prof. Nat. S c i., Buffalo State Normal 
School, J09 Howard Ave., Buffalo, N.Y. Palceo. (Devon- 
ian), Sir at. Geol. C. Ex.* 
