202 The Philippine Journal of Science 1923 



There are two daughters and one embryo of sixteen cells. The 

 daughters measured about 75 /* each, one containing gonidia of 

 22, 22, 16, 8, and 8 /* and the other of 25, 23, 8, 8, and 8 p. 

 The somatic cells of the daughters are ciliated and measure 

 about 3.6/* and are almost in contact. The number of cells 

 in each daughter is about 1,570. 



Specimen 34.— Plate 5, fig. 30. This was taken in September, 

 1914, from a carabao wallow, A, about 400 meters from the 

 ponds previously mentioned. It contains four daughters, each 

 with a pair of larger and a pair of smaller gonidia. In one 

 of the larger daughters one of the smaller gonidia is extra 

 small. The protoplasts of the daughters are about 5 /* wide and 

 seem to be forming cilia. 



Specimen 35.— Plate 5, fig. 38. This and the next coenobium 

 are from carabao wallow B, near the one called A, in Septem- 

 ber, 1914. The specimen had dried up before being studied. 

 However, the photograph is sufficiently clear to enable me to 

 identify the contents of the daughters. Of the four daughters 

 one is larger and the others are of nearly equal size. Each 

 daughter contains two larger and two smaller gonidia, except 

 one in which one of the smaller gonidia is extra small. In the 

 smallest daughter two of the gonidia lie nearly one behind the 

 other. 



Specimen 36. — Plate 5, fig. 35. This is a young coenobium 

 from the same slide as the preceding specimen. It contains 

 at the left an advanced sexual embryo with the phialopore open. 

 In the back there is a young asexual embryo with the phialopore 

 open, and at the right there is an asexual embryo intermediate 

 in development between the other two with the rim of the 

 phialopore rolled outward and backward. 



Specimens 37 and 38.— Plate 4, figs. 27 and 28. These are 

 young coenobia with five and four embryonic daughters of 

 which the phialopores are open. The specimens were crushed 

 by glass rodlets that were intended for holding up the cover 

 glass. 



A FORM WITH SOMETIMES EIGHT GONIDIA 



The largest number of asexual reproductive bodies in any of 

 the specimens described in the preceding paragraphs is six, and 

 their arrangement is in three pairs when that number is 

 present. In material from the same collection as specimen 19 

 (Plate 4, fig. 23) I have seen, in a Venetian turpentine prepara- 

 tion that was stained too lightly for photography, one asexual 

 coenobium with seven reproductive bodies. In this case the 



