CONTENTS 
No.  4 
NkWS'I'I'.AII,  Rohkrt. 
Reports  of  the  I'vvcntv-first  It-Apcdition  of  tlie  Riverpool  Seftool  of  rropical 
Medicine.  Jamaica,  1908-1909;  Section  I — Medical  and  Economic 
Entomology.  Part  i — Ticks  and  other  Blood-sucking  .4rthropoda.  Plates 
Xlll-X\’,  and  1  figure  in  text  ....■■••  +21 
I’kout,  W.  T. 
Reports  of  the  Twenty-first  Expedition  of  the  Eiverpool  School  of  Tropical 
Medicine.  |amaica,  U)08-I909  ;  Section  1 1 — Malaria.  Plates  XVI-XVII I  471 
No.  5 
Breini.,  Akton  ;  and  PIindi.e,  Rnw..\Rn. 
Observations  on  the  l.ife  History  of  Trypcuiosoiiiti  h'zcisi  in  the  rat  louse 
(H nemntofiiuis  sfmulosus).  Plates  XIX,  XX  .  ,  ■  •  •  S-tS 
VORKK,  \\  ARRINGTON. 
On  the  Variation  of  the  Haemolytic  Complement  in  Experimental  Trypano¬ 
somiasis  56.S 
Renn.an,  R.  H. 
.Acute  Cravv-Craw.  Plates  XXI,  XXII  .......  5^’ 
WTllcocks,  F.  C. 
.A  Preliminary  Note  on  the  Prevalence  of  Xlosquitoes  in  Cairo  and  its  Environs  583 
Boyce,  Robert;  and  Lewis,  F.  C. 
The  Effect  of  Mosquito  Larvae  upon  Drinking  Water 
59< 
