Leland Ossian Howard

The Insect Book: A Popular Account of the Bees, Wasps, Ants, Grasshoppers, Flies and Other North American Insects Exclusive of the Butterflies, Moths and Beetles, With Full Life Histories, Tables and

Leland Ossian Howard

$30.95 - $41.28

The Gypsy Moth And How To Control It

Leland Ossian Howard

$20.91 - $21.95

A Contribution To The Study Of The Insect Fauna Of Human Excrement

Leland Ossian Howard

$21.15

A Commencement Of The Study Of The Parasites Of Cosmopolitan Insects

Leland Ossian Howard

$13.05

The House Fly, Disease Carrier: An Account of Its Dangerous Activities and of the Means of Destroying It

Leland Ossian Howard

$13.05 - $36.95

The Psychic Life of Insects

Leland Ossian Howard

$25.95 - $49.55

Mosquitoes

Leland Ossian Howard

$22.95 - $33.95

Grass and Grain Joint-Worm Flies and Their Allies: A Consideration of Some North American Phytophagic Eurytominae

Leland Ossian Howard

$26.95

The Mosquitoes of North and Central America and the West Indies, Part 1

Leland Ossian Howard

$29.95 - $40.40

The Mosquitoes of North and Central America and the West Indies: Plates

Leland Ossian Howard

$23.95 - $40.40

The Importation Into The United States Of The Parasites Of The Gipsy Moth And The Brown-tail Moth: A Report Of Progress, With Some Consideration Of ... Efforts Of This Kind, Volumes 91-93

Leland Ossian Howard

$24.95 - $36.67

On Some New Parasitic Insects Of The Subfamily Encyrtinae (1898)

Leland Ossian Howard

$26.95

The Mosquitoes Of North And Central America And The West Indies: Systematic Description...

Leland Ossian Howard

$40.40

Insects Affecting the Cotton Plant

Leland Ossian Howard

$13.29

The Economic Status of Insects as a Class

Leland Ossian Howard

$26.95

Danger of Importing Insect Pests

Leland Ossian Howard

$16.34

Economic Loss to the People of the United States Through Insects That Carry Disease

Leland Ossian Howard

$13.29 - $15.87

The Principal Insects Affecting The Tobacco Plant

Leland Ossian Howard

$16.34 - $22.35

The Gipsy Moth and How to Control It

Leland Ossian Howard

$12.68

The Gipsy Moth in America: A Summary Account of the Introduction and Spread of Porthetria Dispar in Massachusetts and of the Efforts Made by the State to Repress and Eliminate It

Leland Ossian Howard

$26.95

Legislation Against Injurious Insects: A Compilation of the Laws and Regulations in the United States and British Columbia, Issue 33, volumes 1-6

Leland Ossian Howard

$29.95

The Mosquitoes of North and Central America and the West Indies, Issue 159, volume 4

Leland Ossian Howard

$30.95

Three Insect Enemies Of Shade Trees, Volumes 76-100

Leland Ossian Howard

$15.87 - $32.59

The Brown-tail Moth And How To Control It

Leland Ossian Howard

$16.34 - $26.95

New Genera and Species of Aphelininae with a Revised Table of Genera

Leland Ossian Howard

$12.68

The San José Scale: Its Occurrence In The United States With A Full Account Of Its Life History And The Remedies To Be Used Against It, Volumes 1-6...

Leland Ossian Howard

$15.59 - $26.95

The Practical Use Of The Insect Enemies Of Injurious Insects...

Leland Ossian Howard

$12.68

Progress In Economic Entomology In The United States...

Leland Ossian Howard

$13.29

The Gypsy Moth In America

Leland Ossian Howard

$23.97

A Study in Insect Parasitism: A Consideration of the Parasites of the White-Marked Tussock Moth, with an Account of Their Habits and Interrelations, and with Descriptions of New Species

Leland Ossian Howard

$21.15 - $29.95