CONTENTS OF PART I. 



PAOES 



General Introduction to Bats . . . .1-8 



(To be completed in forty-eight pages.') 



Vespertilionid^ ....... 49 



Genus Nyctalus . . . . • .52 



The Noctule, or Great Bat ..... 58 



Leisler's Bat ........ 83 



ILLUSTRATIONS 



Dormouse. (Coloured.) 



Noctule Bats. 



Heads of — (i) Nyctalus noctiila, (2) Nyctalus Icisleri, and (3) Vespettilio 

 serotinus, 



Nyctalus leisleri — (i) adult, and (2) Nyctalus noctula, recently born, to 

 show the relative difference in size, especially of foot and thumb. 



Wings of — (i) Nyctalus leisleri, (2) Pipistrellus pipistrellus, and (3) Myotis 

 daubentoni. 



