Front Matter
p. 0
Article description | Article Full Text PDF (1290KB)

The Present Status of Work on the Ecology of Aquatic Insects as Shown by the Work on the Odonata
Kennedy, Clarence Hamilton pp. 267-276
Article description | Article Full Text PDF (794KB)

Book Notices
p. 276
Article description | Article Full Text PDF (36KB)

A Specimen of Solenochilus Peculiare from the Pottsville Series of Ohio
Sturgeon, Myron T. pp. 277-280
Article description | Article Full Text PDF (832KB)

Simple Modes of Inheritance and the Study of Twins
Rife, David C. pp. 281-293
Article description | Article Full Text PDF (770KB)

Book Notices
p. 293
Article description | Article Full Text PDF (46KB)

The Larval and Pupal Stages of the Two Tropical American Butterflies
Strohecker, H. F. pp. 294-295
Article description | Article Full Text PDF (596KB)

The Importance of Phylogenetic Taxonomy in Systemic Botany
Schaffner, John H. pp. 296-300
Article description | Article Full Text PDF (394KB)

Some New Species of Parabolocratus (Homoptera, Cicadellidae)
DeLong, Dwight M. pp. 301-303
Article description | Article Full Text PDF (190KB)

Book Notices
p. 303
Article description | Article Full Text PDF (81KB)

New Texan Fulgoridae (Homoptera)
Caldwell, John S. pp. 304-306
Article description | Article Full Text PDF (249KB)

Additions to the Ohio List of Dragonflies (Odonata)
Borror, Donald J. pp. 307-310
Article description | Article Full Text PDF (242KB)

Book Notices
p. 310
Article description | Article Full Text PDF (105KB)

Spiders and Insects Found Associated with Sweet Corn, with Notes on the Food and Habits of Some Species. II, Ephemerida, Lepidoptera, Neuroptera, Odonata, Orthoptera, Thysanoptera, and Trichoptera
Everly, Ray Thomas pp. 311-315
Article description | Article Full Text PDF (294KB)

Book Notices
p. 315
Article description | Article Full Text PDF (68KB)

The Anatomy and Histology of the Alimentary System of the Harlequin Cabbage Bug, Murgantia Histrionica Hahn. (Hemiptera, Pentatomidae)
Harris, C. S. pp. 316-331
Article description | Article Full Text PDF (1500KB)

Book Reviews
pp. 332-336
Article description | Article Full Text PDF (418KB)

Back Matter
p. 999
Article description | Article Full Text PDF (1042KB)