Miscellaneous Bibliography. 147 
Maximum velocity, Mean velocity. 
Feet per Miles per Feet per Milesper Disch’ge cubic 
second. hour. second. hour. ft. per second. 
St. Marie’s ____... 1°921 1:30 0°967 0°66 90,783 
Le: ean 4°544 3°09 3°514 2°39 283,726 
OS” ee 4-800 ig Bi 3°000 2°04 = 236,000 
are 3°370 2°32 2°258 154 242,494 
St. Lawrence... _- 1°462 1:00 0°954 065 319,943 
VY. MISCELLANEOUS BIBLIOGRAPHY. 
1, How Crops Grow. A Treatise onthe Chemical Composition, 
Structure, and Life of the Pla i » for. m Students of Agriculture. 
HNSON, ae i ic altar 
istry, in the Sheffield Scientific School of Yale Colle ege. - ew York, 
[1868 ] une wel Judd & Co.—The yom of Professor pJoe 
and make peed his own omissions and el It he been plain 
that, in the lack ud ee books, few of the schools of agriculture 
now coming into o ration in this country, could even 
It is soneagelatiy a ‘eater: of no otight oe gem thar an ac- 
knowle mdged master applies sere i Jol the w 
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tures See to the ; heok Fak ‘pabishel, which should be partic- 
ularly mentioned. It is in the first place, a well-considered and 
thorou gh-going attempt to impart knowledge by the inductive and 
_ €Xperimental method ; as aa, it supplies a deficiency that has. 
s —— in English litera 
f the schools, the author 
bas x nog to 0 fad is subjects ps et = sarang nied thiaple scp that any one 
Be er hee Hp eRe ee Syne ee 
May easily mas praree g been catenageed to adapt the work in _— 
a and ear ee oe waits af oe class-room by a strictly systematic arrangemen 
: of topics. y division of the matter into convenient paragraphs. —p. 5. 
But ah charging the mind of the student with valuable in- 
: formation in a thorough and logical way, the intention is so to im- 
Press upon him the manner and meth by which questions | are 
* This Journal, xxxii, 233. + Ibid., xxviii, 71. 
