v i i 



CONTENTS ; 



OF 



PART I 

 THE ARGASIDAE 



SECTION I 



DEALING WITH THE CLASSIFICATION OF THE ARGASIDAE 



(Illustrated by 3 plates and 116 figures in the text.) 



PAGE 



The features which distinguish the Argasidae from the Ixodidae ... 1 



Family characters, synonymy and literature relating to the Argasidae . . 2-3 



The genus Argas : generic characters, synonymy and literature . . . 4 



List of species . . . . . . .... . . . . 5 



Terms and signs used in the descriptions 6 



Key for the determination of species of Argas 8 



Description, Synonymy, Iconography and Literature relating to the 

 following species : 



Argas persicus ............. 8 



reflexus 22 



hermanni • 27 



cucumerinus .28 



transgariepinus 29 



bruinpti ............ 30 



aequalis. ............ 33 



vespertilionis ............ 34 



transversa ............ 5 



brevipes ............. 5 



The genus Ornithodoros : synonymy and literature, generic characters . 39 



List of species 41 



Key for the determination of species of Ornithodoros . . . . . 42 



