51.
The House Fly, Disease Carrier: An Account of Its Dangerous Activities and of the Means of D...
by Howard, Leland Ossian
ISBN: 9781147650778
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The Laws in Force Against Injurious Insects and Foul Brood in the United States
by Howard, Leland Ossian
ISBN: 9781150497421
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Mosquitoes: How They Live; How They Carry Disease; How They Are Classified; How They May Be ...
by Howard, Leland Ossian
ISBN: 9781141500161
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55.
The principal household insects of the United States Volume 1-6; v. 33
by Leland Ossian Howard
ISBN: 9781130253498
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Preventive and Remedial Work Against Mosquitoes
by Howard, Leland Ossian
ISBN: 9781130401288
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Descriptions of North American Chalcididae from the Collections of the U S Department of Agr...
by Howard, Leland Ossian
ISBN: 9781130675313
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Notes on the mosquitoes of the United States
by Leland Ossian Howard
ISBN: 9781130883084
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Importation into the United States of the Parasites of the Gipsy Moth and the Brown-Tail Mot...
by Howard, Leland Ossian
ISBN: 9781130976212
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Insect Book; a Popular Account of the Bees, Wasps, Ants, Grasshoppers, Flies and Other North...
by Howard, Leland Ossian
ISBN: 9781236196705
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Study in Insect Parasitism; a Consideration of the Parasites of the White-Marked Tussock Mot...
by Howard, Leland Ossian
ISBN: 9781130064186
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Descriptions Of North American Chalcididae From The Collections Of The U.s. Department Of Ag...
by Leland Ossian Howard
ISBN: 9781270824893
List Price: $17.75
63.
Mosquitoes of North and Central America and the West Indies : By Leland O. Howard, Harrison ...
by Howard, Leland Ossian
ISBN: 9780598174840
List Price: $168.40
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Mosquitoes of North and Central America and the West Indies : By Leland O. Howard, Harrison ...
by Howard, Leland Ossian
ISBN: 9780598174857
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New Genera and Species of Aphelininae with a Revised Table of Genera...
by Leland Ossian Howard
ISBN: 9781273755187
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Hymenopterous Parasites of North American Butterflies
by Howard, Leland Ossian
ISBN: 9781130225297
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Insect Book : A Popular Account of the Bees, Wasps, Ants, Grasshoppers, Flies and Other Nort...
by Howard, Leland Ossian
ISBN: 9781286405895
List Price: $46.75
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Progress In Economic Entomology In The United States...
by Leland Ossian Howard
ISBN: 9781274370983
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71.
On the Bothriothoracine Insects of the United States
by Howard, Leland Ossian
ISBN: 9781166897352
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73.
Leopard Moth : A Dangerous Imported Insect Enemy of Shade Trees (1916)
by Howard, Leland Ossian, Chit...
ISBN: 9781167032424
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Horn Fly : Being an Account of Its Life History and the Means to Be Used Against It (1889)
by Riley, Charles Valentine, H...
ISBN: 9781167032714
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Three Insects Enemies of Shade Trees
by Howard, Leland Ossian
ISBN: 9781167158124
List Price: $12.76