No. 387.] REVIEWS OF RECENT LITERATURE. 273 
would be interesting to know the changes which take place in the 
subsequent growth of the spore. A full historical account precedes 
the paper. Corrosive sublimate and Gram’s iodine solution are recom- 
mended for killing, while a variety of aniline dyes were chiefly used 
for staining. Sections were also made. The species studied are 
given as Saccharomyces cerevisia, S. ludwigii, S. pastorianus, S. 
mycodenua, and a red yeast. £ H. M. R. 
Botanical Notes. — Skeletonizing leaves, always an interesting 
occupation, and one of some scientific utility, is described in the 
number of Scéence for December 30 by A. F. Woods, who finds minute 
crustacea belonging to the genus Cypridopsis to be the active agent. 
So long as any parenchyma is present, they appear not to attack even 
the finer vascular bundles. 
Under the heading “ Foreign Weeds and their Extermination,” 
Professor Pammel contributes an interesting little ‘article to Zhe 
Gentleman Farmer Magazine for November. 
The forage plants and forage resources of the Gulf States are 
reported on by Professor Tracy in Bulletin No. 15 of the Division of 
Agrostology of the United States Department of Agriculture. 
Forestry in relation to physical geography and engineering is the 
subject of an article by John Gifford in the Journal of the Franklin 
Institute of July last. 
“ Check-List of the Forest Trees of the United States, their Names 
and Ranges,” is the title of Bulletin No. 17 of the Division of Forestry 
of the United States Department of Agriculture, by George B. 
Sudworth. It is stated to be in the main a condensed reproduction 
of Bulletin No. rg of the same division, like which it exemplifies the 
“ Neo-American ” views in nomenclature, and it is intended to be 
helpful in bringing about a more uniform and stable use of names by 
lumbermen, nurserymen, and others interested in forest trees. 
The determination of woods by characters drawn from their struc- 
ture, to which some attention has been given by engineers of late, 
forms the subject of an article by Charles Bommer, illustrated by 
twelve enlarged phototypes, showing the cross-section of as many 
woods, in the Bulletin of the Société centrale Forestière of Belgium for 
December. 
Prof. T. H. McBride has published in separate form an instructive 
address on public parks for Iowa towns, which may well be read by 
the inhabitants of towns outside that state. 
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