Life Sciences Commons^™

New Species Of Andrena From Kansas, T. D. A. Cockerell Nov 1899

The Species Of The Bee-Genus Dieunomia, T. D. A. Cockerell Nov 1899

The Panurgine Bees, T. D. A. Cockerell Oct 1899

Four New Bees Of Genus Perdita Collected By Dr. L. O. Howard In Mexico, T. D. A. Cockerell Jun 1899

Postscript On Perdita, T. D. A. Cockerell Feb 1899

Catálogo De Las Abejas De México, T. D. A. Cockerell Jan 1899

Contributions From The New Mexico Biological Station. Vii. Observations On Bees, With Descriptions Of New Genera And Species, T. D. A. Cockerell, Wilmatte Porter Jan 1899

Notes On American Bees, T. D. A. Cockerell Jan 1899

Some Synonymy, T. D. A. Cockerell Jan 1899

Notes On Some Hymenoptera, T. D. A. Cockerell Jan 1899

A New Wax-Scale From West Africa, T. D. A. Cockerell Jan 1899

The Bees Of Kansas, T. D. A. Cockerell Jan 1899