228 H.J. Clark on Anthophysa Miilleri. 
ances made up of the ae laterally agglutinated twigs. The 
youngest, terminal portions of the branches which, under the 
name of twigs, have been dieneibid in this paper as the imme- 
diate supporters of the colonies of monads, are evidently tubu- 
lar. They appear to be as flexible as a spider’ s thread, and are 
usually quite irregular in outline, and in the calibre of the canal 
which permeates them. The wall of these tubular twigs is quite 
thick, and is alike rough on the exterior and interior faces. The 
substance within the tubes appears homogeneous, but whether 
it is solid or fluid could not be determined. The oldest part of 
the stems is of a reddish brown color, but as Ses taper off into 
branchlets they gradually ever a gamboge color, and finally 
terminate in scarcely colore 
Reproduction by fanaa is the only method of propa- 
gating peeruertten which I have observed. As a preliminary to 
assumes at first an oval contour and finally becomes globular. 
During this transition both of the — cilia become much 
more conspicuous than usual, and the body develops a closely 
fitting hyaline envelope about it; siete passing into a sort of en- 
cysted s tate. The ¢ ontractile vesicle, however, does not seem 
saa oes var of self-divvek sigan oak nd about mes minutes. 
the bell meets the body. Sig- 
flagellum as long as the body and bell. The two contractile ewes 
sae i a i 
