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Description:
p. 457-538 : ill., maps ; 27 cm. ; Includes bibliographical references (p. 536-538). ; "This paper is a generic study of 113 species of flycatchers of the tribe Muscicapini, about one-third of the species computed for the subfamily Muscicapinae by Mayr and Amadon (1951). Twelve genera with five subgenera are recognized, a list of which is given on page 473 together with a brief synopsis giving the number of species in each genus, its general distribution, and characters. Of the 12 genera three (Horizorhinus, Newtonia, and Culicicapa) are of uncertain affinities. The first which is monotypic is restricted to Principe Island in the Gulf of Guinea and, though provisionally included in the Muscicapini in this study, is often considered to be a babbler but may possibly be a warbler or a thrush. The second, from Madagascar, although aberrant, is probably a member of the Muscicapini and may be distantly related to Muscicapa. The affinities of the third, which consists of two Indo-Malayan species, are perhaps with the Rhipidurini rather than with the Muscicapini. In these three genera the young are not spotted. The other genera can be divided in two groups, with the Indo-Malayan genus Rhinomyias intermediate. The first group which consists of Bradornis and related genera is Ethiopian and comprises more primitive species that are usually heavily built and in which the flycatcher habits are not well developed, these species usually dropping down to the ground to feed, though two species (separated as Fraseria) are arboreal. The second group consists of Muscicapa and related genera and comprises the true flycatchers, the species differing, however, in their feeding or other habits or in the height at which they feed. The main genera recognized in this group are Ficedula, Niltava, Muscicapa, and Microeca, these genera ranging widely as a group throughout the Ethiopian, Palearctic, Indo-Malayan, and Australo-Papuan regions. The variations in the morphological characters and habits are discussed in an introductory section. ...