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ADDENDUM 
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illus. refs. j 
PERIODICAL ABBREVIATIONS 
Acta Zool. Cracov. — Acta Zoologica Cracoviensia. 
Agr. Chem. — Agricultural Chemicals. 
Aer. Gaz. N. S. W. — Agricultural Gazette of New South Wales. 
Agr. Impr. Meas. Zemstvo Govt. Ufa — Agricultural Improve- 
ment Measures of the Zemstvo of the Government of Ufa. 
Agr. Sarda — (Exact source unknown). 
Agron. Dep. Zemstvo Govt. Ufa — Agronomical Department 
of the Zemstvo of the Government of Ufa. 
Agron. Lusitana — Agronomia Lusitana. 
Amer. Bee J. — American Bee Journal. 
Ann. Appl. Biol. — Annals of Applied Biology. 
Ann. Entomol. Fenn. — Annales Entomologici Fennici. 
Ann. Entomol. Soc. Amer. — Annals of the Entomological So- 
ciety of America. 
Ann. Inst. Phytopathol. Benaki— Annales de I’Institut Phyto- 
pathologique Benaki. 
Ann. Soc. Entomol. Fr. — Annales de la Société Entomologique 
de France. 
Ann. Univ. Mariae Curie-Sklodowska Sect. C Biol. — Annales 
Universitatis. Mariae Curie-Sklodowska Sectio C Biologia. 
Ann. Serv. Epiphyt. — Annales du Service des Epiphyties. 
Annu. Rev. Entomol. — Annual Review of Entomology. 
Anz. Schidlingsk. — Anzeiger fiir Schadlingskunde. 
Aquila — Aquila A Madartani Intézet Evkényve. 
Aust. J. Sci. — Australian Journal of Science. 
Beitr. Entomol. — Beitrage zur Entomologie. 
Ber. Deut. Pharm. Ges.— Berichte der Deutschen Pharma- 
zeutischen Gesselschaft. 
Beretn. Statens Forsoksvirks. PlKult.— Beretning fra Statens 
Forsoksvirksomhed i Plantekultur. 
Biol. Zentralbl. — Biologisches Zentralblatt. 
Bitki Koruma Bilt. — Bitki Koruma Biilteni. 
Boll. Ist. Entomol. Univ. Studi Bologna — Bollettino dell’Insti- 
tuto di Entomologia della Universita degli Studi di Bologna. 
Boll. Lab. Entomol. Agr. ‘Filippo Silvestri’ — Bollettino del 
Laboratorio di Entomologia Agraria ‘Filippo Silvestri’. 
Boll. Lab. Zool. Gen. Agr. R. Scuola Super. Agr. Portici — Bol- 
lettino del Laboratorio di Zoologia Generale e Agraria della 
R. Scuola Superiore d’Agricoltura, Portici. 
Boll. Soc. Entomol. Ital. — Bollettino della Societa Entomolo- 
gica Italiana. 
Brit. Columbia Dep. Agr. Publ. — British Columbia Department 
of Agriculture Publication. 
Brit. Grassl. Soc. J. — British Grasslands Society Journal. 
Bull. Ecol. Super. Agr. Tunis — Bulletin Ecole Superieure d’Ag- 
riculture Tunis. 
Bull. Entomol. Dep. Nikolaevsk Exp. Sta. — Bulletin of the En- 
tomology Department of Nikolaevsk Experiment Station. 
20 
Bull. Entomol. Res. — Bulletin of Entomological Research. 
Bull. Hort. (Liége) — Bulletin Horticole (Liége). 
Bull. Inst. Rech. Biol. Sta. Biol. Univ. Perm. — Bulletin de P’In- 
stitut de Recherches Biologiques et de la Station Biologique 
4 Université de Permskom. 
Bull. Moscow Entomol. Soc. (Soc. Entomol. Mosquensis) — 
Bulletin of the Moscow Entomological Society (Societa 
Entomologica Mosquensis). 
Bull. Moskovsk. S-Kh. Obl. Op. Stantz. Polevod. — (Exact 
source unknown). 
Bull. Pests Agr. Meth. Control. — Bulletins on_ Pests of Agri- 
culture and Methods of Controlling Them (Charkoy). 
Bull. Plant Prot. (Leningrad) — Bulletin of Plant Protection 
(Leningrad). 
Bull. Soc. Entomol. Fr. — Bulletin de la Société Entomologique 
de France. 
Bull. Soc. Ouralienne Amis Sci. Natur. — Bulletin de la Société 
Ouralienne d’Amis des Sciences Naturelles. 
Bull. Soc, Pathol. Veg. Fr. — Bulletin de la Société de Patho- 
logie Vegetale de France. 
Bull. Soc. Sci. Natur. Phys. Maroc — Bulletin de la Société des 
Sciences Naturelles et Physiques du Maroc. 
Bull. Soc. Sci. Natur. Tunisie — Bulletin de la Société des Sci- 
ences Naturelles du Tunisie. 
Bull. Tiflis-Erivan-Kars Bur. Control Pests Agr. — Bulletins of 
the Tiflis-Erivan-Kars Bureau for the Control of Pests of 
Agriculture (Tiflis). 
Bull. Univ. Tehran Agr. Coll. — Bulletin, University of Tehran 
Agricultural College. 
Calif. Dep. Agr. Bull. — California Department of Agriculture 
Bulletin. ; 
Calif. Dep. Agr. Spec. Publ. — California Department of Agri- 
culture Special Publication. 
Calif. State Comm. Hort. Mon. Bull. — California State Com- 
mission of Horticulture Monthly Bulletin. 
Can. Dep. Agr. Div. Entomol. Processed Publ. — Canada De- 
partment of Agriculture, Division of Entomology Processed 
Publication. 
Can. Dep. Agr. Publ.— Canada Department of Agriculture 
Publication. 
Can. Entomol. — Canadian Entomologist. 
Can. Exp. Farms Serv. West. Forage Crops Comm. Rep. — Ca- 
nadian Experimental Farms Service, Western Forage Crops 
Committee Report. 
Can. Field Natur. — Canadian Field Naturalist. 
Can. Insect Pest Rev. — Canadian Insect Pest Review. 
Can. J. Agr. Sci. — Canadian Journal of Agricultural Science. 
Can. J. Bot. — Canadian Journal of Botany. 
Can. J. Plant Sci. — Canadian Journal of Plant Science. 
