BOOK-NOTES, NEWS, ETC. 995 
weeds. And, as — re Euglenacee, there is little doubt that 
this family is a group of green flagellates which has terminated 
blindly, nothing o a higher nature having bene evolved therefrom 
he association he Plewrococcacee with the Ulotrichacee and 
Chetophoracee, <r e one series of ‘ Pleurococcales,’’ is also 
forms of the Ulotrichacee, and the evolu seme series of the latt 
family, through Geminela, Gleoila, Hormospor and Stichacoous 
is almost perfect, the most probable origin of “the low 
being from some of the Palmellacee, such as G Sab oe 
Dactylothece, with thin cell-walls and simple parietal chloroplasts. 
origin to higher yh oe the latter ae evolved thro i the 
Palmellacee. Shoul is be so, then the ineingion of the 
numerous branched senate of the Chetophoracee in Chodat’s 
series of the “ Pleurococcales” would not be in beeing with their 
affinities. It is also difficult to find any reasons why the Ulvacee 
should be included in the Pleurococcales, and surely the author's 
inclusion of Bulbochete in the Coleochetacee must be a slip; 
otherwise, it is a grave error of judgment. 
fully agree with Professor Chodat’s Serendy of the Conju- 
gate in the °Chlorophycea, as this is the attitude I have always 
adopted towards this large group, as aginst Wille’s separation 
of them from the rest of the green Al 
I t confess a dislike to Chodat’s new names—Meiotrichales, 
Diasrnale: and Atrichales. The two latter are synonymous, 
respectively with Blackman & Tansley’s Stephanokonte ei 
Akonte. Moreover, the use of the termination “ trichales” 
“trichacee ” in the group-names of Alga has so far had exalaiive 
reference to hair-like branches and threads, sid therefore its use 
purely in reference to cilia in the name of a large group must 
cause some con 
The twenty-three plates illustrating the work are very well 
executed, and the work as a whole is a valuable addition to our 
knowledge of the green Alga. 
G. 8. WEst. 
BOOK-NOTES, NEWS, ée. 
n & oon 
8s. 6d. n “ry is 0 f the bes elias oii It is true there is 
much in ‘it that we hadi seen . o of his other works, but it is 
arranged ge and clothed with the fresh knowledge of later 
experience. The text runs into over five hundred pages, and is 
embellished with eat we good half-tone photographs repre- 
pes a landscape views or special crops. In addition to 
ed Se e are also three hundred and seventeen cuts, most 
m seat but a few of an impressionist character. Every 
