IV 
Contents 
No. 3, September. 1919 
[Issued January 7, 1920.] 
Page. 
del Rosario, Mariano V., and Maranon, Joaquin. The physico- 
chemical evaluation of tikitiki extract 221 
Merrill, E. D. Additional notes on the Kwangtung flora..... 225 
Koorders, S. H. Notiz fiber Hoya imbricata Callery ex Decaisne 
und Hoya pseudomaxima Kds. in den Filipinen auf Grund von 
einigen Herbar-Exemplaren des Bureau of Science in Manila.... 263 
Four plates. 
Cockerell, T. D. A. The black halictine bees of the Philippine 
Islands 269 
Banks, Charles S. The swarming of anopheline mosquitoes 283 
Banks, Charles S. The Philippine leaf-mining buprestids, one 
being new. 289 
Three plates. 
Baker, C. F. Notices of certain Fulgoroidea, II: The genus Tro- 
bolophya . 301 
Six text figures. 
Groff, Elizabeth H. Soy-sauce manufacturing in Kwangtung, 
China 307 
Seven plates. 
Reviews - 317 
No. 4, October, 1919 
[February 27, 1920.] 
Oshima, Masamitsu. Formosan termites and methods of prevent- 
ing their damage 319 
Thirteen plates and five text figures. 
Cockerell, T. D. A. A new scale insect on Rhizophora 385 
One text figure. 
de Leon, Walfredo. Balantidium haughwouti, new species, parasitic 
in the intestinal tract of Ampullaria species, a morphological 
study 389 
One plate and five text figures. 
No. 5, November, 1919 
[March 1, 1920.] 
Bezzi, M. Fruit flies of the genus Dacus sensu latiore (Diptera) 
from the Philippine Islands 411 
Two plates. 
Fleutiaux, Ed. Melasids nouveaux (Coleopteres) recoltes par C. 
F. Baker 445 
Canizares, Miguel. Some abnormalities of the vertebral artery 451 
One plate and five text figures. 
Perkins, Granville A. The rancidity of Philippine coconut oil . ...... 463 
Burkill, I. H. The genus Gordonia in the Philippine Islands 475 
Reinking, O. A. Higher Basidiomycetes from the Philippines and 
their hosts, I 479 
Review •; 491 
