A COMPARATIVE STUDY OF THE HERPETOLOGICAL FAUNAE OF THE ULUGURU AND USAMBARA MOUNTAINS, TANGANYIKA TERRITORY ^YITH DESCRIPTIONS OF NEW SPECIES By T. Bakboue and A. Loveridge The material discussed in the following pages was collected between September and December, 1926, by the junior author while on an expedition in the interest of the Museum of Comparative Zoology. Both authors have collaborated in a critical examination of the material. When, in the field notes on habits, the singular pronoun is used, it will be understood that it is the collector who is recording. A selection of the specimens obtained has been presented to the Musemn of the University of Michigan, and paratypes of fifteen of the new forms have been sent to the British Museum. CONTENTS Introduction 87 List of Collecting Stations 96 List of Species Collected Tortoises 104 Snakes 104 Lizards 138 Chameleons 170 Caecilians 178 Toads and Frogs 184 Bibliography 263 INTRODUCTION The object of the expedition was prhnarily to discover to what extent the little-known fauna of the Uluguru Mountain rain-forest was related to that of the better-known Usambara Mountains. The two ranges are separated from one another by at least a hundred and twenty miles of hot, low-lying country, while the Nguru Mountains form a small connecting-link between.