Contents 
v 
No. 6, December, 1919 
[March 30, 1920.] 
Page. 
Shaw, Walter R. Campbellosphaera, a genus of the Volvocaceae.. 493 
Two plates and one text figure. 
Muir, Frederick. Some Malayan Delphacidse (Homoptera) 521 
One plate. 
W orcester, Dean C. A nesting - place of Micropus subfurcatus in 
Mindoro _ 533 
Haughwout, Frank G. A method for labeling - slides used in routine 
stool examinations. 535 
One text figure. 
Merrill, E., D. Additions to the flora of Guam 539 
Schultze, W. Seventh contribution to the Coleoptera fauna of the 
Philippines ..... + 545 
One text figure. 
Haughwout, Frank G., Lantin, Pedro T., and Fernandez, Ricardo. 
A case of acute mania associated with Plasmodium vivax infec- 
tion 563 
One text figure. 
Reviews 571 
Index 575 
