Israel C. Russell, University of Michigan. "I deem it an epoch-making book and one that will vastly extend the study of geology."
BUTTERFLIES
By S. H. SCUDDER
THEIR STRUCTURE, CHANGES, AND LIFE-HISTORIES
With Special Reference to American Forms. Being an Application of the "Doctrine of
Descent" to the Study of Butterflies. With an Appendix of Practical Instruction
| 12mo | $1.50 net |
Brief Guide to the Commoner Butterflies of the Northern
United States and Canada
Being an Introduction to the Knowledge of their Life-Histories