232 The Philippine Journal of Science 
13. The type specimen of Copelandosphaera dissipatrix in Venetian 
turpentine. It contains nine daughters which in turn contain 
gonidia or embryos of two or four cells. A number of flask- 
shaped unicellular algae are embedded in the membranes of the 
somatic layer. x 100. 
PLATE 4 
Fic. 14. An asexual coenobium with ten daughters, in glycerine. x 100. 
15.-A sexual coenobium in Venetian turpentine, very much shrunken, ° 
of which a part is shown in Plate 3, fig. 12. It contains eighty- 
one reproductive bodies. Of these seventy-one have begun to 
develop spore walls. X 100. 
16. An asexual coenobium with six daughters, in glycerine. x 100. 
TEXT FIGURES 
Fic. 1. Optical section through mother and daughter coenobia of the type 
specimen, in Venetian turpentine. 
2. The phylogeny of the Volvoceae. 
