Browsing by Author "Williams, C.B."
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Item Collected Records Relating to Insect Migration(1928) Williams, C.B.; East African Agricultural Research Station, Amani, Tanganyika.In continuation of my policy of putting on record the largest possible number of facts relating to insect migration, on which alone can a satisfactory study of the subject be based, I give below a series of new observations that have come to my knowledge since the preparation of my last paper in the Bull. Soc. Roy. Ent. Egypte, 1926 (1927), pp. 224-256. A few of the observations are my own, but the majority have been sent in by correspondents, whom I take this opportunity of thanking.Item Observations on the Desert Locust in East Africa from July 1928 to April 1929(1933) Williams, C.B.; East African Agricultural Research Station, AmaniEARLY in 1928 word came through to the newly reopened Agricultural Research Station at Amani, Tanganyika, that swarms of locusts had appeared in various parts of Kenya Colony, after an absence of many years. Very few of these swarms reached as far south as Tanganyika but egg-laying was reported to have taken place in several localities in Kenya. The species was Schistocerca gregaria Forsk.Item Records of Butterfly Migration in East Africa.(1927) Williams, C.B.; Late Entomologist to the East African Agricultural Research StationThe following records relating to butterfly migration have been sent to me in the course of the last two years and I am taking this opportunity of putting them on record so that they can be available for all students of this subject. No general discussion of the records is given as they will all be dealt with in my forthcoming book on the subject.
