1. Richman, S., Ecol. Monographs 28: 278 (1958).
2. Papers in Marine Biology and Oceanography 1956
3. Marshall, S. M., Deep Sea Research 3: 110 (1956).
4. The Biology of a Marine Copepod Calanus finmarchicus (Gunnerus) 1955
5. Rhythmic Cell Division in Populations ofGonyaulax polyedra*†‡