Experiments are described which were designed to test the significance of the coleoptile tip as the site of reception of light stimulus leading to negative photo-tropic response under paraffin oil. The results show clearly ...

1. The required habitat of impala, association with other herbivores and the relation to predators are outlined. 2. The commonest types of group formation - female herd with dominant male and bachelor herd - and the ...

Descriptions are given of various methods which have been used in the field and in the laboratory to obtain and investigate specimens for comparative studies of the anatomy of East African game animals. Fixation of the ...

The giraffe of Nairobi National Park, Kenya have been studied for one year. Each animal seen has been photographed from the left side and the pattern on the neck used to recognize each individual. While the pattern may ...

The columnar electron content, nT, has been measured at Zaria for a 9-month period by the ‘close-spaced frequency’ method using the 40 and 41 Mc/s transmissions from the beacon satellite S-66 (BE-B). The ‘diurnal’ variation ...

Directions of magnetizations obtained after cleaning the Miocene lavas from northwest Kenya are presented. The pole position thus obtained, together with similar data from eastern Africa, indicates that no significant ...

The capture, by means of chemical immobilization, of about 100 large African animals of 17 different species was accomplished by use of compound M.99, an oripavine with morphine-like activity, but with approximately 1,000 ...

This paper describes the results of a vertical incidence fading amplitude experiment vising an array of seven receiving aerials. The purpose of the experiment was to test certain assumptions in the correlation analysis of ...