by Theodore D. A. Cockerell
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The San Jose scale and its nearest allie...
Bees from the Caroline and Palau Islands...
Studies of the Pacific bees in the colle...
Collarette flowers
Characters of Helianthus
Animals and plants described as new from...
The properties and preparation of the Ri...
Della lunga e calamitosa infermità e del...
The Indian species of smilax
Epistola, rationem modumq́; propinandi r...
Facts are stubborn things
A revision of the Mexican and Central Am...