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f l washburn

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Cilt sonuçları

Injurious insects and useful birds

F. L. Washburn · J. B. Lippincott

453 sayfa · 1918

Insects / Birds / Long Now Manual for Civilization

Continuation of experiment in propagating Eastern oysters on the Oregon coast

F. L. Washburn · Yayınevi bilinmiyor

Sayfa sayısı yok · 1898

Kategori yok

Preliminary report upon the introduction of the Eastern oyster to the Oregon coast

F. L. Washburn · Yayınevi bilinmiyor

Sayfa sayısı yok · 1898

Kategori yok

...Injurious insects and useful birds, successful control of farm pests

F. L. Washburn · J.B. Lippincott company

453 sayfa · 1918

Birds / Injurious and beneficial Insects / Insect pests / Beneficial insects

Present condition of the Eastern oyster experiment and the native oyster industry

F. L. Washburn · Yayınevi bilinmiyor

13 sayfa · 1900

Kategori yok

RabbitsThe rabbit bookF. L. Washburn

The rabbit book

F. L. Washburn · J.B. Lippincott company

200 sayfa · 1920

Rabbits

CiltBacillus (bacterium) tuberculosis in sputumF. L. Washburn

Bacillus (bacterium) tuberculosis in sputum

F. L. Washburn · Yayınevi bilinmiyor

Sayfa sayısı yok · 1901

Kategori yok

FishesContribution to our knowledge of the food fishes of the Oregon coast from specimens collected by B. J. BrethertonF. L. Washburn

Contribution to our knowledge of the food fishes of the Oregon coast from specimens collected by B. J. Bretherton

F. L. Washburn · Yayınevi bilinmiyor

Sayfa sayısı yok · 1900

Fishes

ControlThe so-called "green bug" and other grain aphids in Minnesota in 1907F. L. Washburn

The so-called "green bug" and other grain aphids in Minnesota in 1907

F. L. Washburn · University of Minnesota, Agricultural Experiment Station, Division of Entomology

280 sayfa · 1908

Greenbug / Control

CiltTwo-years' work with the apple leaf hopper and with the cabbage maggotF. L. Washburn

Two-years' work with the apple leaf hopper and with the cabbage maggot

F. L. Washburn · Yayınevi bilinmiyor

Sayfa sayısı yok · 1908

Kategori yok

CiltContribution to our knowledge of the food fishes of the Oregon coastF. L. Washburn

Contribution to our knowledge of the food fishes of the Oregon coast

F. L. Washburn · Yayınevi bilinmiyor

Sayfa sayısı yok · 1900

Kategori yok

DipteraDiptera of MinnesotaF. L. Washburn

Diptera of Minnesota

F. L. Washburn · University of Minnesota, Agricultural Experiment Station, Entomological Division

168 sayfa · 1905

Diptera

Insect pestsInjurious insects of 1904F. L. Washburn

Injurious insects of 1904

F. L. Washburn · University of Minnesota, Agricultural Experiment Station, Entomological Division

197 sayfa · 1904

Insect pests

CiltMinnesota DipteraF. L. Washburn

Minnesota Diptera

F. L. Washburn · Yayınevi bilinmiyor

Sayfa sayısı yok · 1906

Kategori yok

Insect pestsInsects injurious to young fruit treesF. L. Washburn

Insects injurious to young fruit trees

F. L. Washburn · Agricultural College Printing Office

16 sayfa · 1892

Diseases and pests / Fruit / Insect pests

Insect pestsA plain talk about insectsF. L. Washburn

A plain talk about insects

F. L. Washburn · Oregon Agricultural Experiment Station

14 sayfa · 1891

Insect pests

FruitFruit pestsF. L. Washburn

Fruit pests

F. L. Washburn · Oregon Agricultural Experiment Station

27 sayfa · 1895

Control / Diseases and pests / Fruit

Insect pestsInsects notably injurious in 1902F. L. Washburn, University of Minnesota. Agricultural Experiment Station

Insects notably injurious in 1902

F. L. Washburn, University of Minnesota. Agricultural Experiment Station · University of Minnesota, Agricultural Experiment Station, Division of Entomology

74 sayfa · 1902

Insect pests