Books by Theodore Dru Alison Cockerell
Names Applied to Bees of the G
Names Applied to Bees of the Genus Nomada, Found in North America
The valley of the second sons
Bees of the family Hylaeidae f
Bees of the family Hylaeidae from the Ethiopian region
The red sunflower garden of 19
The red sunflower garden of 1941
The bees of the Southern Calif
The bees of the Southern California islands
A Visit with Grey Owl
A Visit with Grey Owl
The origin of the higher flowe
The origin of the higher flowering plants
The flora of Doi Sutep, Siam
The flora of Doi Sutep, Siam
Hybrid sunflowers
Hybrid sunflowers
The evolution and classificati
The evolution and classification of roses
Some bees, principally from Fo
Some bees, principally from Formosa and China
Tertiary insects from Kudia Ri
Tertiary insects from Kudia River, Maritime Province, Siberia
Fossil insects in the United S
Fossil insects in the United States National museum
Japan in 1923
Japan in 1923
Plant and insect fossils from
Plant and insect fossils from the Green River Eocene of Colorado
Tertiary insects from Argentin
Tertiary insects from Argentina
A fossil cichlid fish from the
A fossil cichlid fish from the Republic of Haiti
Parasitic bees (Epeolinae and
Parasitic bees (Epeolinae and Melectinae) in the collection of the California academy of sciences
Some Eocene insects of the fam
Some Eocene insects of the family Fulgoridae
Biographical memoir of Alpheus
Biographical memoir of Alpheus Spring Packard, 1839-1905
Some American Cretaceous fish
Some American Cretaceous fish scales
Bees from the northern peninsu
Bees from the northern peninsula of Michigan
Land shells from the Tertiary
Land shells from the Tertiary of Wyoming
The auditory ossicles of American rodents
Observations on fish scales
The scales of the African characinid fishes
The scales of the mormyrid fis
The scales of the mormyrid fishes with remarks on Albula and Elops
Descriptions of Tertiary insects
Fossil insects from Florissant
Fossil insects from Florissant, Colorado
The fossil flora of Florissant
The fossil flora of Florissant, Colorado
Fossil Hymenoptera from Florissant, Colorado
The alpine flora of Colorado
The alpine flora of Colorado
Descriptions and records of be
Descriptions and records of bees
Monograph of the Bombycine Moths of North America: Including Their Transformations and Origin of ..
Notes on a collection of Calif
Notes on a collection of Californian nudibranchs
Tables for the identification
Tables for the identification of Rocky Mountain Coccidae
Five new coccidae from Mexico
Five new coccidae from Mexico
Observations on insects
Observations on insects
An apparently new Lecanium fou
An apparently new Lecanium found on white cedar
Catalogo de las Abejas de Mexico
The panurgine bees
The panurgine bees
On the danger to American hort
On the danger to American horticulture from the introduction of injurious insects
A check-list of the slugs
Additions to the flora of Colo
Additions to the flora of Colorado--fungi
The entomology of the mid-alpi
The entomology of the mid-alpine zone of Custer County, Colorado
A provisional list of the fishes of Jamaica
A new braconid of the genus El
A new braconid of the genus Elasmosoma