N. Y. State Mus. Sci. Serv. Bull. — New York State Museum 
and Science Service Bulletin. 
Nebr, Agr. Ext. Serv. — Nebraska Agricultural Extension 
Service. 
Ohio Agr. Exp. Sta. Bull. — Ohio Agricultural Experiment 
Sta. Bulletin. 
Ohio Biol. Surv. Bull. — Ohio Biological Survey Bulletin. 
Ohio J. Sci. — Ohio Journal of Science. 
Ohio State Univ. Agr. Coll. Ext. Sery. Bull. — Ohio State 
University Agricultural College Extension Service Bul- 
letin. 
Okla. Agr. Exp. Sta. Bull. — Oklahoma Agricultural Experi- 
ment Station Bulletin. 
Okla. Agr. Ext. Div. Cire. — Oklahoma Agricultural Exten- 
sion Division Circular. 
Okla. Farmer-Stockman — Oklahoma Farmer-Stockman. 
P. R. Agr. Exp. Sta. Annu. Rep. — Annual Report of the 
Puerto Rico Agricultural Experiment Station. 
P. R. Agr. Exp. Sta. Rep. — Report of the Porto Rico Agri- 
cultural Experiment Station. 
_R. Bd. Commr. Agr. Rep. — Report of the Board of Com- 
missioners of Agriculture of Porto Rico. 
_R. Estac. Exp. Ins. Bol. — Puerto Rico Estacion Experi- 
mental Insular Boletin. 
_R. Fed. Exp. Sta. Rep. — Report of the Federal Experi- 
ment Station in Puerto Rico. 
_R. Ins. Exp. Sta. (Rio Piedras) Annu. Rep. — Porto Rico 
Insular Experiment Station (Rio Piedras) Annual 
Report. 
Phytopathol. Z. — Phytopathologische Zeitschrift. 
Plant Dis. Rep. — Plant Disease Reporter. 
Proc. Acad. Natur. Sci. Philadelphia — Proceedings of the 
Academy of Natural Sciences of Philadelphia. 
Proc. Calif, Acad. Sci.— Proceedings of the California 
Academy of Science. 
Proc. Entomol. Soc. Wash. — Proceedings of the Entomologi- 
cal Society of Washington. 
Proc. Indiana Acad. Sci.— Proceedings of the Indiana 
Academy of Science. 
Proc. N. Cent. Br. Entomol. Soc. Amer. — Proceedings of the 
North Central Branch of the Entomological Society of 
America. 
Proc. Ohio State Hort. Soc. Annu. Meet. — Proceedings of 
the Ohio State Horticultural Society Annual Meeting. 
Proc. Zool. Soc. London — Proceedings of the Zoological 
Society of London. 
Purdue Univ. Coop. Ext. Serv. Dep. Entomol. Publ. — 
Purdue University Cooperative Extension Service, De- 
partment of Entomology Publication. 
Rep. Md. State Hort. Soc. Annu. Meet. — Report of the 
Maryland State Horticultural Society Annual Meeting. 
Rep. U. S. Commr. Agr. — Report of the United States Com- 
; missioner of Agriculture. 
Res: Farming — Research and Farming. 
Rey. Agr. (Cuba) — Revista de Agricultura (Cuba). 
Rev, Agr. P. R. — Revista de Agricultura de Puerto Rico. 
SiG, Agra) Exps sta, Annu: Rep. — South Carolina Agri- 
cultural Experiment Station Annual Report. 
Ss. Cc. Agr. Exp. Sta. Bull.— South Carolina Agricultural 
Experiment Station Bulletin. 
S. C. Agr. Exp. Sta. Cire.— South Carolina Agricultural 
Experiment Station Circular. 
Santiago de las Vegas, Cuba Estac. Exp. Agron. Bol. — 
Santiago de las Vegas, Cuba, Estacion Experimental 
Agronomica Boletin. 
Santiago de las Vegas, Cuba Estac. Exp. Agron. Cire. — 
Santiago de las Vegas, Cuba, Estacion Experimental 
Agronomica Circular. 
Santiago de las Vegas, Cuba Estac. Exp. Agron. Informe Dep. 
Entomol. Fitopatol.— Santiago de las Vegas, Cuba, 
Estacion Experimental Agronomica, Informe del De- 
partmento de Entomologia y Fitopatologia. 
ale ge)’ ashe ake, 
(5661p, = 4000 — 2-74) 
16 
Smithson. Mise, Collect. — Smithsonian Miscellaneous Col 
lection. 
Soybean Dig. — Soybean Digest. i 
Tenn. Agr. Exp. Sta. Annu. Rep. — Tennessee Agricultura 
‘Experiment Station Annual Report. 
Tenn. Agr. Exp. Sta. Bull. — Tennessee Agricultural Experi 
ment Station Bulletin. 
Tenn. Agr. Exp. Sta. Circ. — Tennessee Agricultural Ex 
periment Station Circular. : 
Tenn. Agr. Ext. Serv. Publ. — Tennessee Agricultural Ex 
tension Service Publication. if, 
Tex. Agr. Exp. Sta, Bull. — Texas Agricultural Experimen 
Station Bulletin. 
Trans. Amer. Entomol. Soc. — Transactions of the America) 
Entomological Society. 
Trans. Entomol. Soc. London — Transactions of the Ente 
mological Society of London. - 
Trans. Kans. Acad. Sci. — Transactions of the Kansa 
Academy of Science. j 
Trop. Agr. — Tropical Agriculture. ie 
U.S. Dep. Agr. Agr. Handb. — United States Department o 
Agriculture, Agriculture Handbook. -_— 
U.S. Dep. Agr. Bull. — United States Department of Agr 
culture Bulletin. on 
U.S. Dep. Agr. Bur. Biol. Surv. Bull. — United States Di 
partment of Agriculture, Bureau of Biological Surve 
Bulletin. = 
U.S. Dep. Agr. Bur. Entomol. Plant Quar. EH. — Unite 
States Department of Agriculture, Bureau Oi 
mology and Plant Quarantine, E Series. . 
U.S. Dep. Agr. Bur. Entomol. Plant Quar. News Let.- 
United States Department of Agriculture, Bure rea 
Entomology and Plant Quarantine News Letter. 
U.S. Dep. Agr. Bur. Entomol. Rep. Entomol. — Unite 
States Department of Agriculture, Bureau of Ent 
mology, Report of the Entomologist. 3 
U.S. Dep. Agr. Dep. Cire.— United States Department | 
Agriculture, Department Circular. 
U.S. Dep. Agr. Div. Entomol. Bull. (n.s.) — United Stat 
Department of Agriculture, Division of Entomolo; 
Bulletin (New series). ” 
U.S. Dep. Agr. Farmers Bull. — United States Departme 
of Agriculture Farmers’ Bulletin. ; 
U.S. Dep. Agr. Home Gard. Bull. — United States Depa 
ment of Agriculture Home and Garden Bulletin. 
U.S. Dep. Agr. Misc. Publ. — United States Departmen 
Agriculture, Miscellaneous Publication. 
U.S. Dep. Agr. Rep. Chf. Bur. Entomol. Plant Quar. 
United States Department of Agriculture, Report 
the Chief of the Bureau of Entomology and Pla 
Quarantine. 
U.S. Dep. Agr. Tech. Bull. — United States Department 
Agriculture Technical Bulletin. 
U.S. Dep. Agr. Yearb. — United States Department of Ag 
culture Yearbook. ! ; 
U.S. Dep. Agr. Yearb. Agr.— United States Department 
Agriculture, Yearbook of Agriculture. 
U.S. Nat. Mus. Bull.— United States National Muset 
Bulletin. ; 
Va. Polytech. Inst. Agr. Ext. Serv. Cire. — Virginia Po 
technic Institute Agricultural Extension Service Cir 
lar. 
Va. Polytech. Inst. Ext. Div. Contr. Ser. — Virginia Po 
technic Institute Extension Division Control Series. 
Va. Truck Exp. Sta. Bull.— Virginia Truck Experim 
Station Bulletin. ee 
W. Va. Agr. Exp. Sta. Bull.— West Virginia Agricultu 
Experiment Station Bulletin. a 
Zool. Jahrb. Abt. Syst. Okol. Geogr. Tiere — Zoologis« 
Jahrbiicher Abteilung ftir systematik Okologie v 
Geographie der Tiere. " 
ix 
ae 
» 3 
US ISSN 0073 . 
