Man (iikI ilir Glacial r< i-hxj. — S<il'><l>'ir>/. l'^ 
generalizcr. Many persons who could not fully grasj) his i<l(':is 
spoke (lispara<>ingly of the auunuT in which heAvould often allude 
to some oeological horizon as occurriuii from Alaltania lo Canada, 
but lie had well weighed his words before making such state- 
ments, and further investigalioii but serves to confirm their 
accuracy. 
He could see farther into the plan of construction of llie 
earth's shell than his observations woukl justify him in asserting, 
and he chafed at the restrictions which the slow accumulation of 
facts condemned him to: still he did not al)use that hiiihest of 
researchs weapons, the scientific imagination, but suliordinated it 
in stating conclusions, and only ga\(' it full play in the recon- 
naissanc<' which precedes research. 
V)\ l)r. fiunt's death, science is poorer l»y one earnest votary, 
and America is deprived of one brilliant and useful sou. 
MAN AND THE GLACIAL PERIOD.* 
I!. I>. Sai.Ishukv, Chicat;!.. III. 
Tliis \()hini<' (lot's not jjrol'ess to l»t' a (•oiitril)Utioii to iuh aiiccd sei- 
ence, so inueii as a suniiiiary of tiie work iieretoi'ore aeeoniplished in 
certain lines of seientilic activity. In its author's words, it is intended 
to ^ive "a clear view of tlie jjresent stati' of i»r()fi;ress in one department 
of the in(piiries concerninjf inairs aiiticpiity," tliat dej)artii)ent being 
indicated by the title of the book. Tlie standards by which tlie book 
is to I)e judged are tiierefore not the standards which would b<' made 
use of were the book an original contribution. 
The general scope of the book maybe indicated l»y the headings of 
the various chapters. Tliesc are as f(»llows : 1. Introduction. II, Ex- 
ist ing ( iiaciers. 111. < iiaciai .Mot ion. I\'. Signsof i'ast (daciation. V. 
Ancient (iiaciers in the Western I leniispiiere. \'I. Ancient (daeiers in 
the Kastern J leniis|)here. \'II. I )rainage Systems in t lie ( ihicial I'eriod. 
A'lII. JJelics of .Man in the (dacial I'eriod. I .\ . The Cause of the 
(dacial I'eriod. X. The Dale of I lie (dacial I'eriod. 
The purpose of I he int r'oduci ion is 1 lie delinit ion of some elenii'U- 
tar\ terms used in glaciology^ I'nforl unately some of the definitions 
given are incomjilete. while others ai'e so far eironeous as to be 
wliollj' misleading if one i> dependent on them. A glacier is said to 
be "a mass of ice so sit uated and of such size as to have uiot ion in it- 
self," (p. 2.) NfT've is said to he the ■■motionless pari" of a glacier. 
To this motioidess neve is altrihuted the function of generating the 
■-■l'>y (J. Frederick Wright, International Scientific Series. |). .\))j)k'.- 
ton tV: ( .'(1. 
