Theodore Dru Alison Cockerell

Directions For Collecting And Preparing Fossils

Theodore Dru Alison Cockerell

$16.76 - $38.72

Zoology of Colorado

Theodore Dru Alison Cockerell

$22.95 - $33.95

Monograph of the Bombycine Moths of North America, Including Their Transformations and Origin of the Larval Markings and Armature

Theodore Dru Alison Cockerell

Out of Stock

Monograph of the Bombycine Moths of North America, Including Their Transformations and Origin of the Larval Markings and Armature: PT. 2

Theodore Dru Alison Cockerell

$25.95

The Bees Of The Genus Perdita F. Smith

Theodore Dru Alison Cockerell

$22.56 - $35.95

Monograph of the Bombycine Moths of North America, Including Their Transformations and Origin of the Larval Markings and Armature; Volume PT. 2

Theodore Dru Alison Cockerell

$26.14

Bees Of The Genus Nomada From California: North American Bees Of The Genus Nomada

Theodore Dru Alison Cockerell

$19.95 - $29.95

San Jose Scale and Its Nearest Allies: A Brief Consideration of the Characters Which Distinguish These Closely Related Injurious Scale Insects

Theodore Dru Alison Cockerell

$26.95

Monograph of the Bombycine Moths of North America, Including Their Transformations and Origin of the Larval Markings and Armature: Pt. 1

Theodore Dru Alison Cockerell

$27.95

The Valley of the Second Sons: Letters of Theodore Dru Alison Cockerell, a Young English Naturalist, Writing to His Sweetheart and Her Brother About His Life in West Cliff, Wet

Theodore Dru Alison Cockerell

$34.59 - $39.95

Fossil Hymenoptera From Florissant, Colorado (Classic Reprint)

Theodore Dru Alison Cockerell

$16.00 - $26.95

Bees from Central America, Principally Honduras: Smithsonian Institution, V98, No. 3233

Theodore Dru Alison Cockerell

$21.95

African Hylaeine Bees: American Museum Novitates, No. 847

Theodore Dru Alison Cockerell

$20.95

Halictine Bees from Morocco

Theodore Dru Alison Cockerell

$20.95

Bees in the Collection of United States National Museum, V1-2

Theodore Dru Alison Cockerell

$21.95

Biographical Memoir Of Alpheus Spring Packard, 1839-1905

Theodore Dru Alison Cockerell

$21.66

Some Fossil Arthropods From Florissant, Colorado

Theodore Dru Alison Cockerell

Out of Stock

Observations On Insects

Theodore Dru Alison Cockerell

$26.95

Catalogo De Las Abejas De Mexico

Theodore Dru Alison Cockerell

Out of Stock

Tables For The Determination Of New Mexico Bees

Theodore Dru Alison Cockerell

$23.02 - $32.95

Bees from Morocco: American Museum Novitates, No. 960, November 3, 1937

Theodore Dru Alison Cockerell

$20.95

Bees Collected by the Reverend O. Piel in China: American Museum Novitates, No. 466, March 31, 1931

Theodore Dru Alison Cockerell

$20.95

Bees from the Australian Region: American Museum Novitates, No. 346, April 27, 1929

Theodore Dru Alison Cockerell

$20.95

Bees of the Family Hylaeidae from the Ethiopian Region

Theodore Dru Alison Cockerell

$20.95

Bees, Chiefly Australian Species, Described or Determined by Dr. H. Friese: American Museum Novitates, No. 343, March 8, 1929

Theodore Dru Alison Cockerell

$20.95

Bees Collected in Arizona and California in the Spring of 1937: American Museum Novitates, No. 948, September 27, 1937

Theodore Dru Alison Cockerell

$20.95 - $31.95

African Bees of the Genus Colletes: American Museum Novitates, No. 856, June 5, 1936

Theodore Dru Alison Cockerell

$20.95

Preliminary Notes On The Codling Moth...

Theodore Dru Alison Cockerell

$13.27

A Check-List of the Slugs

Theodore Dru Alison Cockerell

$29.95

The Food Plants Of Scale Insects: Coccidae (1897)

Theodore Dru Alison Cockerell

$18.42 - $21.66