Volume IV 
March, 1911 
No. 4 
ANNALS 
OF 
TROPICAL MEDICINE AND 
PARASITOLOGY 
ISSUED BY 
THE LIVERPOOL SCHOOL OF TROPICAL MEDICINE 
Editor 
Professor RONALD ROSS, Major I.M.S. (Ret.), D.P.H.. F.R.C.S. 
D.Sc., LL.D., F.R.S., C.B. 
In Collaboration with 
j. VV. W. STEPHENS, M.D., Cantab, D.P.H. 
R NEWSTEAD, M.Sc, A.L.S, F.E.S, Hon. t.R.H.S. 
1 TODD, B.A, M.D., C.M. McGill, D.Sc, Liv. 
H. WOLFERSTAN THOMAS, M.D, C.M. McGill. 
ANTON BREINL, M.U.Dr. 
Professor Sir RUBERT BOYCE, M.B, 
