408 
OBSERVATIONS ON THE BIOLOGY OF IXODIDAE. 
FART II. DEALING WITH 
PAGE 
1. Ainblyomma hebraeum Koch, 1844 ..... 409 
2. Amblyomiiia varieyahim (Fabriciiis, 1794) Koch, 1844 . 419 
3. Amblyomma splendidtim Giebel, 1877 .... 421 
4. Der)iHicentor retmdaius (Fabricius, 1794) Koch, 1844 . 421 
5. Dermacentor venustus Baiiks^” ..... 425 
6. Haemaphysalis cinnabarina Koch, 1844 .... 430 
7. Haemaphysalis coacinna Koch, 1844 .... 431 
8. Haemapthysalis inermis Birula, 1895 .... 434 
9. Hyalomma aegyptiuw, (Linnaeus, 1758) Koch, 1844 . 436 
10. Hyalomma syriacum, Koch, 1844 ..... 436 
11. Ixodes pidus (Pickard-Cambridge, 1876) Neumann, 1899 437 
12. Rhipicephalvs apjjendimdatas Neumann, 1901 . . 438 
13. Rhipicephalus bursa Canestrini and Fanzago, 1877 . - 438 
14. Rhipicephalus sanguineus (Latreille, 1804) Koch 1844 . 448 
By GEORGE H. F. NUTTALL, F.R.S. 
{From the Quick Laboratory, University of Cambridge.) 
Introduction. 
The observations herein recorded are in continuation of those 
published in Part I {Parasitology, vi. 68-118, April 1913) to which the 
reader is referred for general information as to the methods employed 
in these investigations. 
In the following pages will be found complete raising notes relating 
to five species: Amblyomma hebraeum, Dermacentor reticulatus, D. 
venustus, Rhipicephalus bursa and R. sanguineus, all of which are 
important carriers of disease. Less full are the accounts relating to 
* This name is still .sub judice. 
