1. An ecological study of the Hemiptera of the Cranberry Lake region, New York. Herbert Osborn and C.J. Drake.-- 2. Life history notes on Cranberry Lake Homoptera. Herbert Osborn.-- 3. Contribution toward the life history of Galeatus peckhami Ashmead. C.J. Drake.-- 4. The life history of the birch tingid, Corythuca pallipes Parshley. C.J. Drake.-- 5. New species of Ipidae from Maine. M.W. Blackman.-- 6. Two new bark-beetles from Colorado. M.W. Blackman.-- 7. Description of Hylocurus parkinsoniac n. sp., with revisional notes on Hylocurus Eichhoff and Micracis LeConte. M.W. Blackman.--8. The life history of two species of Nabidae (Hemip. Heterop.): Nabis roseipennis Reut. and N. rufusculus Reut. F.G. Mundinger extracted picklist ENT copy no. 39088007901143 has binder's title: Hemiptera Cranberry lake and consists of articles no. 1-4 (p. [5]-116) and includes the index (p. [169]-178)