314 BOTANICAL GAZETTE. 
of bacteria, the iets apparatus and methods of artificial cultures, and the 
means of inoculation and observation. These are ample to direct the investi- 
gator into the t course, and to give the reader a just appreciation 
body of the book is nar to the discussion of the various 
closely-rela non- 
a the basis of f Cobn’s clasication. me space is 
certain higher fungi having more more or less relation to the health of the hig 
mals and ma i 
? system of 
a chee are well = orig lear 0 ae gi peel 
atever. 
In conclusion we can most hearti ily commend im work to those who ais 
to hee me acquainted with the principal forms of ic bacteria. — 
Spaltpilze, nach dem Nenestem Rnaid Von Dr. 
— the ard Trewendt. Breslau, gg a Pp. Pp. 127. Ii 
This wor +b pied rimarily written for the Bhephiopaeiie dar riseenspe 
and separately published in March, 1883, It met with such ready sale ox 
a few Seaane of edition of 1,000 copies w as exhausted, making it nece 
Ege eaition i Jansary, 1 had pessd 
eagerly sought for as the firs d but a year gong 
a third edition t was demanded. Each mccetie ' Siu ok been improved # 
pron nr ey. mega the last, which contains one-fourth more pages and re 
Then w begs is devoted to the eral treatment of the bacteria. It ; 
with the consideration of their position f n the plant system and their 
in nature. The main portion is divided i in to four. 
possibly be found, upon further investigation, that a similar alte 
really occur. This is possibility baa: te S ean ages, for, while it deal not 8 
bev a pert an eg to more exhaustive — aun 
i given eaewhere in an ed upon the structure and degree wth 
U rphology the author treats of the forms and their 
vegetative maltiplieat tion, growth, color, contents, and structure _ : 
organs of movement, formation of spores, and zooglea condition. U rs 
