CONTENTS. 



Page. 



Introduction 1 



History 2 



Anatomy 12 



Wing 13 



Humerus, shoulder, and. elbow 13 



Phalanges 17 



Sternum and shoulder girdle 17 



Teeth 20 



Milk dentition 20 



Dental formula 23 



Normal cusps 29 



Interrelation of teeth - 33 



Modifications of cusps 36 



Classification 43 



Order Chiroptera 43 



Suborder Megachiroptera 44 



Family Pteropidse 45 



Subfamily Pteropinse 45 



Genus Cynopterus F. Cuvier 47 



Genus Niadius Miller 49 



Genus Thoopterus Matschie 50 



Genus Ptenochirus Peters 51 



Genus Megaerops Peters 51 



Genus Balionycteris Matschie 52 



Genus Sphserias Miller 53 



Genus Rousettus Gray 54 



Genus Pterocyon Peters 55 



Genus Pteropus Brisson 56 



Genus Acerodon Jourdan 59 



Genus Desmalopex, new genus 90 



Genus Pteralopex Thomas 60 



Genus Boneia Jentink 61 



Genus Styloctenium Matschie 62 



Genus Dobsonia Palmer 63 



Genus Scotonycteris Matschie 64 



Genus Epomophorus Bennett 65 



Genus Hypsigiiathus H. Allen 67 



Subfamily Kiodotina? 68 



Genus Eonycteris Dobson 69 



Genus Callinycteris Jentink 69 



Genus Kiodotus Blyth 70 



Genus Odontonycteris Jentink 71 



Genus Syconycteris Matschie 72 



Genus Trygenycteris Lydekker 73 



Genus Melonycteris Dobson 73 



Genus Nesonycteris Thomas 74 



Genus Notopteris Gray 74 



VII 



