3 The Philippine Journal of Science 



No. 3, April, 1906 



[Issued April 4, 190B.] 



Page. 



Banks, C. S. The principal insects attacking the coconut palm (part 



II) _ 211 



Ten plates. 



Banks, C. S. New Philippine insects 229 



Eleven plates. 



Brinckerhofp, W. R., and Tyzzer, E. E., with an introduction by W. 

 T. Councilman. Studies upon experimental variola and vaccinia 

 in Quadrumana — 239 



Seven plates and 2 text figures. 



No. 4, May, 1906 



[Issued May 15, 1906.] 



Tyzzer, E. E. The histology of the skin lesions in varicella 349 



Four plates ( 1 colored ) . 



Whitford, H. N. The vegetation of the Lamao forest reserve 373 



Twenty-seven plates and 1 colored map. 



Bacon, R. P. The waters of the crater lakes of Taal Volcano, with 



a note on some phenomena of radioactivity. 433 



Lewis, G. N. Concerning silver oxide and silver suboxide 439 



One text figure. 



No. 5, June, 1906 



[Issued June 15, 1906.] 



Richmond, G. F. Philippine fibers and fibrous substances: Their 



suitability for paper making 433 bis 



Six plates and 2 samples of paper. 



KiTASATO, S. Combating plague in Japan 465 



Twenty-one plates. 



Shiga, K. Observations on the epidemiology of dysentery in Japan.. 485 



Six charts and 1 map. 



Strong, R. P. A consideration of some of Bail's recent views in con- 

 nection with the study of immunity and a comparison of the value 

 of protective inoculation with aggressin with that of vaccination 

 in plague 501 



Stitt, E. R. a study of the blood in dengue fever with particular 

 reference to the differential count of the leucocytes in the diag- 

 nosis of the disease 513 



Four charts. 



Craig, C. F. Observations upon malaria: Latent infection in natives 



of the Philippine Islands — intracorpuscular conjugation 523 



WoOLLEY, p. G. Tropical febrile splenomegaly 533 



Three plates and 5 charts. 



Musgrave, W. E. Amcebiasis: Its association with other diseases, 



its complications, and its after effects 547 



Review 575 



