Search Results: fresh water sponges a monograph including by potts edward franz

Philadelphia: Academy of Natural Sciences. 1887. good-. Hardcover. 9" tall; pages numbered-157-279; black cover; contents pp disbound & laid in; notation on title page reads: R.G. Bechdolt with compliments of the Author .

... including Diagnosis of European Spongillidae by Prof. Franz Vejdovsky
Hardcover 8vo, in brown buckram with gilt leather spine label. iv, [157]-279pp+ 7 plates labeled Plate V-XII ("inclusive"), 1887. Bound with 5 offprints extracted from "The Microscope" originally collected in seafoam green wrappers titled "Fresh Water Sponges" and containing: (1.) –What They Are Not. (2.) What They Are [June 1890, with plate] (3.) What They Are [July 1890, with plate] (4.) How to Find and Gather Them [Sept 1890] (5.) The Determination of Species [with diagram].
Appears to be signed twice, with "from Edward Potts" annotated in Potts' hand beneath the ownership signature of Mr. S. R. [Sherwood Raymond] Roberts on the front blank of the monograph and the first page of the offprints pamphlet. Roberts was a colleague of Potts' and prominent member of the Academy of Natural Sciences of Philadelphia, known for his work in conchology and collection of Cypraeidae that rivaled Potts' collection of fresh water sponges… Read More