CONTENTS 
PAGE 
liREiKL,  Anton  ;  and  Hindle,  Edward.  Observations  on  the  Life 
History  of  Trypanosoma  lewisi  in  the  Rat  Louse  {Haema- 
topiniis  spinnlosHs)  .  ...  ...  ...  553 
Yorke,  Warrington.  On  the  Variation  of  the  Haemolytic 
Complement  in  Experimental  Trypanosomiasis  ...  ...  565 
Kennan,  R.  H.  Acute  Craw-Craw  ...  ...  ...  ...  ...  581 
WiLEcocKS,  F.  C,  A  Preliminary  Note  on  the  Prevalence  of 
Mosquitoes  in  Cairo  and  its  Environs  ...  ...  ...  ...  583 
Boyce,  Robert  ;  and  Lewis,  F.  C.  The  effect  of  Mosquito 
Larvae  upon  Drinking  Water  ...  ...  .  ...  591 
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