24 
TRICHOPHILUS, Web. v. Bosse. 
Thallus aerial in its habitat, made up of jointed filaments irregularly 
branched, expanded in thin layers, bright green, separate laments 
zoogonidia and micro-zoogonidia. Macro-zoogonidia free, ovate at the 
anterior hyaline end, each furnished with four vibratile cilia, contents 
green, red eye-spot not seen. Micro-zoogonidia arise from successive 
repeated subdivisions, 32 in each cell, liberated by a pore-like cs 
opening in the wall of the mot er-cell, smaller than the macto- 
zoogonidia, ovate or angular, and destitute of cilia. Sexual generation 
hitherto unknown.—De Toni, Syll. Alg., i., 249. 
T. (species nov.) Prof. Moebius says :—‘‘ Upon the cells of & 
nitella I observed an epiphytic alga, which not only in its appearance 
but al 
characteristics answers to the diagnosis of the genus, an x 
from it in living 1 the air but in the water. The thallus consists 
of short, irregularly branched, creeping cell-filaments, whic 
together into a more or less closed disk of cells e er 
. som 
they are more globular, sometimes more cylindrical, straight, 
curved. Their diameter fluctuates between 20 and 40 p; the comm 3 
mentioned : oven —the aber 
entioned 7. “ th; ad 
T. Nenia, feet at which lives upon the hairs of the EY ae 
sidering the diver ; 
Hab.: Burpengary, Dr. Thos. L. Bancroft. 
(Plate VIL, Fig.1, 2,20.) | 
