| Freshwater Mussels of Texas
by Robert G. Howells, Raymond W. Neck & Harold D Murray
no date, Texas Parks & Wildlife Dept, heavy paper covers w.glued binding, 218 pages, incl 16 full size color plate pages, page size is 8½ by 11 inches (about 21.5 by 28 cm)
Another excellent publication on freshwater shells this book illustrates and describes in detail about 50 species of Unionidae found in Texas and also 5 freshwater shells in other families. There is a very nicely done introductary section covering the biology of these shells and each species is photographed in black and white and appears in the discussion of the shell along with a distribution map for each species. The color plates in the appendix are somewhat small but they are clear and easy to work with. This book is out of print but I was able to find one new copy to offer here.
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