Earlier results for the relaxation time of an axial magnetic field in a conducting hollow elliptic cylinder are extended to the case of eccentricities near unity.

THE most important external factors that influence gonadal development and reproductive activity are day length and temperature1. In temperate zones both factors show dramatic changes in the annual cycle. In the tropics, ...

ABSTRACT: Histological studies carried out on specimens of the cichlid fishes T. leucosticta, T. nigra, and T. zillii collected in the East African Rift Valley crater lake, Lake Naivasha reveal that various stages of ...

A positive correlation between rate of prey consumption by A. gossipi and the prey density T. cinnabarinus was found at presence or absence of pollen of Zea mays. Pollen had no effect on prey consumption at prey concentrations ...

The large animals of Nairobi National Park have been censused intermittently once a month from mid-1960 until the end of 1966. Of the 23 species discussed, the density per kilometre has been determined accurately for the ...

Previous investigations have shown that in the Lake Region of Sukumaland, Tanganyika, where Schistosoma haematobium is highly endemic, Bulinus (Physopsis) nasutus is responsible for the transmission of that schistosome in ...