San Francisco: Published by the Academy, 1903. First edition. Paperback. 187-232pp. Quarto [25.5 cm] Good. There are multiple very small losses from the edges of the covers. The front cover is partially detached. Item #18645
With five plates. Subjects covered include, a Discussion of the Classification of the North American Species, and Habits of Larvae, Pupae, and Imagines.