Proceedings of the third USA-USSR symposium on the effects of pollutants upon aquatic ecosystems.

3rd.

Proceedings of the third USA-USSR symposium on the effects of pollutants upon aquatic ecosystems.

1st & 2nd

Guide to the insects of Connecticut, prepared under the direction of Wilton Everett Britton ...

pt. 1-2

Insecta Saundersiana : or, Charcters of undescribed insects in the collection of William Wilson Saunders.

v.4 (1858) [Homoptera]

The entomologist's useful compendium; or, An introduction to the knowledge of British insects, comprising the best means of obtaining and preserving them, and a description of the apparatus generally used; together with the genera of Linné, and the modern method of arranging the classes...according to the views of Dr. Leach...with instructions for collecting and fitting up objects for the microscope.

1821

Descriptions of new Indian lepidopterous insects from the collection of the late Mr. W.S. Atkinson. Rhopalocera, by William C. Hewitson. Heterocera, by Frederic Moore. With an introductory notice by Arthur Grote.

1879