Peacock, Bess R., 5137 Eleventh Ave., Los Angeles 43, Calif. M.S., Chair.

    Sci. Dept., Mt. Vernon Jr. H.S., Bot., As., W 
Pearse, Arthur S., Duke Univ., Durham, N. C. Ph.D., Zool., Sus. 
Pearse, C. Kenneth, U. S. For. Serv., Div. of Range Research, Washing- 
    ton 25, D. C. M.S., Asst. Chief, For., Act. 
Pearson, Gustaf A., 1828 E. 5th St., Tucson, Ariz. M.A., U. S. For. Serv.,

    (retired), For., Act., W. 
Pechanec, Joseph F., 423 U. S. Court House, Portland 5, Ore. B.S. Chief,

    Div. of Range Research, Pacific NW For. & Range Exp. Sta., For.,

    Act., W. 
Pelton, John F., Bot. Dept., Univ. of Minn., Minneapolis, Minn. B.S., 
    Teach. Asst., P1. Ecol., Act. 
Penfound, William T., Univ. of Okla., Norman, Okla. Ph.D., Prof. of 
    Pi. Sci., Bot., Act. 
Pennak, Robert W., Biol. Dept., Univ. of Colo., Boulder, Colo. Ph.D., 
    Assoc. Prof., Lim., Act.,W. 
Peterson, Randolph L, Div. of Mam., Royal Ont. Mus., Toronto, Ont., Canada.

    B.S.. Mammalogist, Mam., Act. 
 Peterson, Roald 'A., U. S. Range Livestock Exp. Sta., Miles City, Mont.

    M.S., N.R.M., Range Mgt., Act., W. 
 Phelps, Austin,- Box 1972, Austin 12, Tex. Ph.D., Asst. Prof., Univ. of

    Tex., Physiol., Act. 
 Piemeisel, Robert L., P.O. Box 826, Twin Falls, Idaho. B.A., Sr. P1. 
    Physiologist, U. S. Dept. of Agric., Bot., Sus., W. 
 Pierce, W. Dwight, Los Angeles Countyý Mus., Exposition Park, Los
An- 
    geles 7, Calif. Ph.D., Cur. of Ent., Ent., Act., W. 
 Pillsbury, Richard W., HA-1 Room 8, Univ. of Brit. Columbia, Vancouver,

    -Canada. M.A., Asst. Prof., Biol. Dept., Bioecol., Act., W. 
 Pisano, Edmundo V., 2000 7th Ave., Sacramento, Calif. Agronomist, Act.,
W. 
 Pitelka, Frank A., Mus. of Vert. Zool., Univ. of Calif., Berkeley 4, Calif.

    Ph.D., Instr. in Zool., Zool., Act., W 
 Pool, Raymond J., Univ. of Neb., Lincoln 8, Neb. Ph.D., Prof. of Bot., 
    Chair. of Dept., For., Act. 
 Posey, Gilbert B., 6160 31st St., N.W., Washington 15, D. C. M.S., Soil

    Cons., Act. 
 Potter, Loren D., Bot. Dept., Univ. of Minn., Minneapolis, Minn. M.A., 
    Teach. Asst., Bot., Act. 
'Potzger, John E., Butler Univ., Indianapolis 7, Ind. Ph.D., Assoc. Prof.

    of Bot., Bot., Act. 
 Pough, Richard H., 33 Highbrook Ave., Pelham, N. Y. B.S., Research 
    Assoc., Nat. Audubon Soc., Orn., Sus. 
 Powers, Edwin B., Zool. Dept., Univ. of Tenn., Knoxville, Tenn. Ph.D., 
    Prof., Zool., Sus. 
 Preston Laboratories, c/o F. W. Preston. Box 847, Butler, Pa. Sus. 
 Procter, William, Mt. Desert Biol. Surv., Bar Harbor, Me. D.Sc., Ent., Sus.

 Purer, Edith A., Bot. Dept., Herbert Hoover Sr. H.S., San Diego 5, Calif.

    Ph.D., Bot., Sus., W. 
 Putman, William L., Dom. Ent. Lab., Vineland Sta., Ont., Canada. M.S., 
    Assoc. Entomologist, Ent., Act. 
 
                                  Q 
 Quarterman, Elsie, Box 62, Vanderbilt Univ., Nashville, Tenn. M.A., 
     Instr. of Bot., Bot., Act. 
 Quay, Thomas L., Zool. Dept., N. C. State Coll., Raleigh, N. C. M.S., Teach.

     Fel., Orn., Act. 
 Quebec Dept. of Game & Fish, Office de Biol., a/s M. Gustave Prevost,

    Dir., Univ. de Montreal, Montreal, Canada. Sus. 
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