Item 6017: The Invertebrates: Protozoa through Ctenophora - and - The Invertebrates: Platyhelminthes and Rhynchocoela The acoelomate Bilateria
New York: McGraw-Hill Book Company, 1940, 1951. First Edition. Two volumes. No jackets. Bound in uniform grey cloth over boards with brown labels and gilding on the spine. Volume 2 is (1/16) inch shorter and uses a different paper type. Solid with square corners. Light spotting to covers. Modest spotting.....