1. STUDIES ON INSECT SPERMATOGENESIS
2. 1922a Studies. II. The components of the spermatid and their rôle in the formation of the sperm in Hemiptera. Jour. Morph. (In press.)
3. 1922b Studies. III. On the structure of the nebenkern in the insect spermatid and the origin of nebenkern patterns. Biol. Bull. (In press.)
4. 1915 Praktikum der Zellenlehre. Berlin.
5. 1920 Cytoplasmic structures in the seminal epithelium of the opossum. Carn. Inst. of Washington, Cont. to Embry., no. 28.