Excerpt from Journal of the Academy of Natural Sciences of Philadelphia, 1821, Vol. 2: Part I Observations upon the Cadmia found at the Ancram Iron Works, Colum

Excerpt from Journal of the Academy of Natural Sciences of Philadelphia, 1817, Vol. 1: Part I Nervous System. A nervous ganglion of four round ed lobes is situa

Excerpt from Journal of the Academy of Natural Sciences of Philadelphia, Vol. 3 1. A. atra. Body subcylindric, elongated, arquated, sessile; the superior part m

Hardcover reprint of the original 1817 edition - beautifully bound in brown cloth covers featuring titles stamped in gold, 8vo - 6x9. No adjustments have been m