Aquatic Chrysomelidae and a table of the families of Coleopterous larvae.

Reprinted from N. Y. State Museum bulletin 68, Aquatic insects in N. Y. State.

Homonymy in world species-group names of Criocerinae (Coleoptera, Chrysomelidae) /

"Issued March 1981"--T.p. verso.

The brown semicostate and costate species of Colaspis in Mexico and Central America (Coleoptera: Chrysomelidae) /

Issued Aug. 1976.

Probable evolution and morphological variation in South American Disonychine flea beetles (Coleoptera: chrysomelidae) and their amaranthaceous hosts /

Issued June 1979.

Reise in Ostafrika in den Jahren 1903-1905, mit Mitteln der Hermann und Elise geb. Heckmann Wentzel-Stiftung ausgeführt. Wissenschaftliche Ergebnisse.

Contributions in German, English, French or Italian.

The determination of dominance and the modification of behavior in alternative (Mendelian) inheritance, by conditions surrounding or incident upon the germ cells at fertilization.

"Correction and addendum."