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Showing 301 - 325 of 356 Results
301.
Study in Insect Parasitism : A Consideration of the Parasites of the White Marked Tussock Mo...
Study in Insect Parasitism : A Consideration of the Parasites of the White Marked Tussock Mo... by Howard, Leland Ossian ISBN: 9781162080390 List Price: $31.95

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302.
Contribution to the Study of the Insect Fauna of Human Excrement
Contribution to the Study of the Insect Fauna of Human Excrement by Howard, Leland Ossian ISBN: 9781162083889 List Price: $31.95

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303.
On Some New Parasitic Insects of the Subfamily Encyrtinae
On Some New Parasitic Insects of the Subfamily Encyrtinae by Howard, Leland Ossian ISBN: 9781162218373 List Price: $30.95

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304.
Gypsy Moth and How to Control It
Gypsy Moth and How to Control It by Howard, Leland Ossian ISBN: 9781162231860 List Price: $30.95

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305.
Yellow-Fever Mosquito
Yellow-Fever Mosquito by Howard, Leland Ossian ISBN: 9781162229553 List Price: $30.95

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306.
Three Insects Enemies of Shade Trees
Three Insects Enemies of Shade Trees by Howard, Leland Ossian ISBN: 9781162235295 List Price: $30.95
$88.48
307.
San Jose Scale In 1896-1897
San Jose Scale In 1896-1897 by Howard, Leland Ossian ISBN: 9781162236421 List Price: $30.95

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308.
Principal Insects Affecting the Tobacco Plant
Principal Insects Affecting the Tobacco Plant by Howard, Leland Ossian ISBN: 9781162236292 List Price: $30.95

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309.
Gypsy Moth in America
Gypsy Moth in America by Howard, Leland Ossian ISBN: 9781162239781 List Price: $30.95

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310.
Gipsy Moth in America : A Summary Account of the Introduction and Spread of Porthetria Dispa...
Gipsy Moth in America : A Summary Account of the Introduction and Spread of Porthetria Dispa... by Howard, Leland Ossian ISBN: 9780265822685 List Price: $24.87
$74.09
311.
Revision of the Aphelininae of North America : A Subfamily of Hymenopterous Parasites of the...
Revision of the Aphelininae of North America : A Subfamily of Hymenopterous Parasites of the... by Howard, Leland Ossian ISBN: 9780266091769 List Price: $9.57
$58.09
312.
Study in Insect Parasitism : A Consideration of the Parasites of the White-Marked Tussock Mo...
Study in Insect Parasitism : A Consideration of the Parasites of the White-Marked Tussock Mo... by Howard, Leland Ossian ISBN: 9780266892830 List Price: $25.28
$74.47
313.
Notes on the Mosquitoes of the United States : Giving Some Account of Their Structure and Bi...
Notes on the Mosquitoes of the United States : Giving Some Account of Their Structure and Bi... by Howard, Leland Ossian ISBN: 9780266567905 List Price: $25.42
$74.91
314.
How Insects Affect Health in Rural Districts (Classic Reprint)
How Insects Affect Health in Rural Districts (Classic Reprint) by Howard, Leland Ossian ISBN: 9780266610779 List Price: $24.39

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315.
Some Miscellaneous Results of the Work of the Division of Entomology, 1897 (Classic Reprint)
Some Miscellaneous Results of the Work of the Division of Entomology, 1897 (Classic Reprint) by Howard, Leland Ossian ISBN: 9780266818052 List Price: $25.86
$75.36
316.
Notes on the Mosquitoes of the United States : Giving Some Account of Their Structure and Bi...
Notes on the Mosquitoes of the United States : Giving Some Account of Their Structure and Bi... by Howard, Leland Ossian ISBN: 9780282839338 List Price: $9.57
$58.99
317.
San Jose Scale in 1896-1897 (Classic Reprint)
San Jose Scale in 1896-1897 (Classic Reprint) by Howard, Leland Ossian ISBN: 9780331250015 List Price: $7.97
$58.09
318.
San Jose Scale in 1896-1897 (Classic Reprint)
San Jose Scale in 1896-1897 (Classic Reprint) by Howard, Leland Ossian ISBN: 9780331273281 List Price: $24.74
$73.87
319.
The Importation Into The United States Of The Parasites Of The Gipsy Moth And The Brown-tail...
The Importation Into The United States Of The Parasites Of The Gipsy Moth And The Brown-tail... by Howard, Leland Ossian, Lela... ISBN: 9781376302660 List Price: $17.95

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320.
How Insects Affect Health in Rural Districts (Classic Reprint)
How Insects Affect Health in Rural Districts (Classic Reprint) by Howard, Leland Ossian ISBN: 9780282991616 List Price: $7.97

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321.
Some Miscellaneous Results of the Work of the Division of Entomology, 1897 (Classic Reprint)
Some Miscellaneous Results of the Work of the Division of Entomology, 1897 (Classic Reprint) by Howard, Leland Ossian ISBN: 9781527820418 List Price: $9.57
$59.20
322.
Grass and Grain Joint-Worm Flies and Their Allies : A Consideration of Some North American P...
Grass and Grain Joint-Worm Flies and Their Allies : A Consideration of Some North American P... by Howard, Leland Ossian ISBN: 9781528322935 List Price: $7.97

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323.
Revision of the Aphelininae of North America : A Subfamily of Hymenopterous Parasites of the...
Revision of the Aphelininae of North America : A Subfamily of Hymenopterous Parasites of the... by Howard, Leland Ossian ISBN: 9780260400987 List Price: $24.93
$74.09
324.
San Jose Scale : Its Occurrences in the United States with a Full Account of Its Life Histor...
San Jose Scale : Its Occurrences in the United States with a Full Account of Its Life Histor... by Howard, Leland Ossian ISBN: 9780364964620 List Price: $25.77
$75.36
325.
San Jose Scale : Its Occurrences in the United States with a Full Account of Its Life Histor...
San Jose Scale : Its Occurrences in the United States with a Full Account of Its Life Histor... by Howard, Leland Ossian ISBN: 9780666926302 List Price: $9.57
$59.20
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