Reviews—O. P. Hay—Mammals of Iowa. 35 
of the United States feel in the history of their country, and the 
thoroughness with which they are recording the fast vanishing 
remains of the splendid savages whose place they have taken. 
The last archeological work which it falls to me to review claims 
to deal with the Paleoliths of Kansas. The author divides up 
a series of implements into four groups, two said to be of Paleolithic 
age, the others later and early Neolithic. He correlates them with 
the many glaciations of North America. All these specimens seem 
to be surface finds. None were found with extinct animals or in 
relation to glacial deposits. The whole scheme rests entirely on 
depth of patination and on certain implements which are said to be 
rechipped. Some of the implements photographed do resemble 
genuine paleoliths in shape, but others are as obviously allied to 
modern Indian work. 
The whole book is a somewhat pathetic example of misapplied 
energy. There is not the slightest evidence that any one of the 
American implements described was made during the Ice Age or 
before it. So far as I know, only one implement has been 
found in America that has any claim at all to be considered a palzo- 
lith, the arrowhead found by Professor Williston in association with 
an extinct bison; and this is of a relatively modern Indian type. 
II1.—Tue Puristocent Mammats or Iowa. By O. P. Hay.’ 
oe paper consists of 499 pages of text and 75 plates, mostly from 
i photographs. It begins with avery valuable account of the main 
facts of the glacial geology of Lowa, describing the distribution of the 
tills laid down during five glacial stages and of the deposits associated 
with the interglacial intervals. This section is provided with an 
elaborate bibliography. 
The second part of the paper gives in as untechnical a way as 
possible, descriptions of the animals found in the Pleistocene of this 
State, together with some that will no doubt be found in the future. 
‘These descriptions are founded on Iowan specimens, but when these 
are incomplete others are figured and their measurements given. 
The whole forms a very valuable work of reference, full of clearly 
arranged facts, but does not seem to contain any general conclusions 
as to the relations of the many animals discussed to the divisions of 
Pleistocene time ; in fact, the existing collections seem to be still too 
small to yield much in the way of wide generalizations. 
TV¥.—Txe Coat-mMEasuRE AMPHIBIA AND THE Crossopreryera. By 
R. L. Mooprs.? 
N this short paper Dr. Moodie gives a phyletic tree of the 
vertebrates, of interest as representing the views of a student 
with great knowledge of the smaller Coal-measure amphibia, still 
unfortunately so very incompletely known. He then gives a short 
summary of the geological history of the amphibia, which is slightly 
1 Towa Geological Survey, vol. xxiii, 1914. 
2 The American Naturalist, vol. xlix, p. 637. 
