Originally published in five volumes, they were later bound up in two to arrange the fishes systematically. Read the page after the title page for more information.
[v. 1, 1802:1-70, Pls. 1-24; v. 2, 1803:71-164, Pls. 25-48; v. 3, 1804:165-300, Pls. 49-72; v. 4, 1806:301-406, Pls. 73-96, v. 5, 1808: 407-516, Pls. 97-120.] From Eschmeyer on the web.