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Two Fossil Hymenoptera From Florissant (Vespidae, Megachilidae), T. D. A. Cockerell
Two Fossil Hymenoptera From Florissant (Vespidae, Megachilidae), T. D. A. Cockerell
Co
No abstract provided.
Vii: Expedition Of The California Academy Of Sciences To The Gulf Of California In 1921: The Bees (I), T. D. A. Cockerell
Vii: Expedition Of The California Academy Of Sciences To The Gulf Of California In 1921: The Bees (I), T. D. A. Cockerell
Co
No abstract provided.
Two Nocturnal Bees And A Minute Perdita, T. D. A. Cockerell
Descriptions And Records Of Bees — Xcvii, T. D. A. Cockerell
A Bee-Collecting Trip Across The Plains (Hym. : Apoidea, Sphecoidea), T. D. A. Cockerell
A Bee-Collecting Trip Across The Plains (Hym. : Apoidea, Sphecoidea), T. D. A. Cockerell
Co
No abstract provided.
Some Colorado Bees, T. D. A. Cockerell
Descriptions And Records Of Bees — Xcviii, T. D. A. Cockerell
Descriptions And Records Of Bees — Xcviii, T. D. A. Cockerell
Co
No abstract provided.
Some Bees From Victoria, Mexico, T. D. A. Cockerell
Some Bees From British Guiana, T. D. A. Cockerell
The Bees Of Gold Hill, Colorado, T. D. A. Cockerell
The Bees Of Peaceful Valley, Colorado, T. D. A. Cockerell
The Bees Of The Rocky Mountain National Park (Hymenop.), T. D. A. Cockerell
The Bees Of The Rocky Mountain National Park (Hymenop.), T. D. A. Cockerell
Co
No abstract provided.
The Black Halictine Bees Of The Philippine Islands, T. D. A. Cockerell
The Black Halictine Bees Of The Philippine Islands, T. D. A. Cockerell
Co
No abstract provided.
Descriptions And Records Of Bees - Lxxxvi, T. D. A. Cockerell
Descriptions And Records Of Bees - Lxxxvi, T. D. A. Cockerell
Co
No abstract provided.
Philippine Bees Of The Genus Nomia, T. D. A. Cockerell
The Metallic-Colored Halictine Bees Of The Philippine Islands, T. D. A. Cockerell
The Metallic-Colored Halictine Bees Of The Philippine Islands, T. D. A. Cockerell
Co
No abstract provided.
The Sphecodine Bees Of The Philippine Islands, T. D. A. Cockerell
The Sphecodine Bees Of The Philippine Islands, T. D. A. Cockerell
Co
No abstract provided.
Neocorynura, A Genus Of Halictine Bees (Hym.), T. D. A. Cockerell
Neocorynura, A Genus Of Halictine Bees (Hym.), T. D. A. Cockerell
Co
No abstract provided.
The Philippine Bees Of The Families Anthophoridæ And Melectidæ, T. D. A. Cockerell
The Philippine Bees Of The Families Anthophoridæ And Melectidæ, T. D. A. Cockerell
Co
No abstract provided.
New And Little-Known American Bees, T. D. A. Cockerell
The Prosopidæ, Or Obtuse-Tongued Bees Of The Philippine Islands, T. D. A. Cockerell
The Prosopidæ, Or Obtuse-Tongued Bees Of The Philippine Islands, T. D. A. Cockerell
Co
No abstract provided.
The Social Bees Of The Philippine Islands, T. D. A. Cockerell
The Social Bees Of The Philippine Islands, T. D. A. Cockerell
Co
No abstract provided.
Bees In The Collection Of The United States National Museum. -3, T. D. A. Cockerell
Bees In The Collection Of The United States National Museum. -3, T. D. A. Cockerell
Co
No abstract provided.
A New Genus Of Bees From Peru (Hym.), T. D. A. Cockerell
The Philippine Bees Of The Family Nomadidæ, T. D. A. Cockerell
The Philippine Bees Of The Family Nomadidæ, T. D. A. Cockerell
Co
No abstract provided.
Descriptions And Records Of Bees - Lxxxvii, T. D. A. Cockerell
Descriptions And Records Of Bees - Lxxxvii, T. D. A. Cockerell
Co
No abstract provided.
Descriptions And Records Of Bees - Lxxxiv, T. D. A. Cockerell
Descriptions And Records Of Bees - Lxxxiv, T. D. A. Cockerell
Co
No abstract provided.
Bees From British Guiana, T. D. A. Cockerell
Some Bees Collected In Queensland, T. D. A. Cockerell
A Group Of American Halictine Bees Simulating The Old-World Genus Nomioides, T. D. A. Cockerell
A Group Of American Halictine Bees Simulating The Old-World Genus Nomioides, T. D. A. Cockerell
Co
No abstract provided.