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If You Love the Out-of-Doors 
You Will Enjoy 
EXPLORING OUR NATIONAL WILDLIFE REFUGES 
By Devereux Butcher 
6 
Covers More Than 41 National Wildlife Refuges .. . 
With 355 Striking Pictures of Native Birds and Animals... 
Includes a Special Section on Our Vanishing Wildlife .. . 
Over 350 Pages ... Large - Size Paperback ... $3.85 
7 Add 25c postage and order from 
Peter Dring, I. A. S. Bookstore 
- 9800 South Willow Springs Road 
| Willow Springs, Illinois 60480 
fl = i es 
MORE BOOK REVIEWS 
THOREAU ON BIRDS, by Helen. Cruickshank. McGraw-Hill Book Company, 
330 W. 42nd St., New York, N. Y. 10036. 331 plus xii pages: illustrated 
with a map of Concord, a portrait of Thoreau, and 16 plates taken from 
the early ornithological reference works which Thoreau used. Nov. 1964; 
37.95. 
If you have an interest in ornithology and in the writings of Henry 
David Thoreau, you will have an interest in this book. Here is a compilation 
of Thoreau’s observations and records of birds, carefully selected from 
his legacy of many volumes — Walden, A Week on the Concord and Merrimack 
Rivers, Cape Cod, Excursions, and his Journals. But there is more to the book 
than this. Helen Cruickshank has interwoven her commentaries throughout 
the text, analyzing his identifications of the birds he described, discussing 
the changes in bird populations since his time, reviewing his activities as 
a student of wildlife. This combination has created a rich and rewarding book. 
For convenience Mrs. Cruickshank has arranged Thoreau’s dissertations 
on birds in A. O. U. order. His list of birds of Concord contained 146 
