Washington: Government Printing Office.
...on the Amphipleura pellucida.
1871: 1 page, 2 photos, Cordasco 70-4053.
...on Pleurosigma angulatum and Pleurosigma formosum.
1871: 4 pages, 8 photos, Cordasco 70-4054.
...on the Surirella gemma.
1871: 1 page, 2 photos, Cordasco 70-4055.
...on the test Podura.
1871: 3 pages, 5 photos, Cordasco 70-4056.
...on the nineteen band test-plate of Nobert.
1872: 2 leaves, 9 photos, Cordasco 70-4068.