Pearly Mussels of New York State
by David L. Strayer and Kurt Jirka
New York State Museum, 1997, laminated boards,sewn binding, 113ppg and
27 page size plates with colored illustrations, page size is about 8.25
by 10.75 inches(21 by 27cm)
A beautiful publication with most illustrations that were previously
done for and unpublished work by Pilsbry It is a complete survey of
these freshwater shells that once played a very important part in the
economy of New York State. There are about 49 species with 4 additional
hypothetical species and 10 other species that the authors found to be erroneously cited as coming from New York. 
