Abstract
THESE two books are thoroughly revised and greatly improved second editions, and are really two volumes of the same work. They aim at giving descriptions of the common invertebrates and vertebrates of the United States, by means of which their relationships and names may be determined. The insects are excluded, their half million or so of species obviously requiring separate treatment. The classifica-tory keys, the analytical tables and descriptions have been tested by us in several groups, and appear to be admirable, while the numerous illustrations (184 and 974 respectively) are well selected. They enable the visitor to the coast, mountain, plain or lake to name quickly any beasts that he may be watching in the open, or perhaps at home under magnification, with reasonable certainty, and this encourages him to observe. They are clearly books valuable in every classroom and library in North America, as similar synopses of the local fauna would be in any country.
(1) A Manual of the Common Invertebrate Animals, exclusive of Insects
Prof.
H. S.
Pratt
By. Thoroughly revised edition. Pp. xviii + 854. 7.50 dollars.
(2) A Manual of Land and Fresh Water Vertebrate Animals of the United States (exclusive of Birds)
Prof.
H. S.
Pratt
By. Pp. xvii + 416. 6 dollars. (Philadelphia: P. Blakiston's Son and Co., Inc.; London: J. and A. Churchill, 1935.)
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(1) A Manual of the Common Invertebrate Animals, exclusive of Insects (2) A Manual of Land and Fresh Water Vertebrate Animals of the United States (exclusive of Birds). Nature 136, 1010 (1935). https://doi.org/10.1038/1361010b0
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DOI: https://doi.org/10.1038/1361010b0