The Gold of Nova Scotia (American Journal of Science (2), vol. xxxii., pp. 395-400, November, 1861).
Description of the Remains of a New Enaliosaurian (Eosaurus Acadianus), from the Coal Formation of Nova Scotia (American Journal of Science (2), vol. xxxiv., pp. 1-16, November, 1862).
Catalogue of Mineral Localities in New Brunswick, Nova Scotia, and Newfoundland (American Journal of Science (2), vol. xxxv., pp. 210-218, March, 1863).
Description of an Ancient Sepulchral Mound near Newark, Ohio (American Journal of Science (2), vol. xlii., pp. 1-11, July, 1866).
Contributions to the Mineralogy of Nova Scotia (American Journal of Science (2), vol. xliv., pp. 362-367, November, 1867).
Observations on the Metamorphosis of Siredon into Amblystoma (American Journal of Science (2), vol. xlvi., pp. 364-374, November, 1868).
Notice of some New Mosasauroid Reptiles from the Greensand of New Jersey (American Journal of Science (2), vol. xlviii., pp. 392-397, November, 1869).
Notice of some Fossil Birds from the Cretaceous and Tertiary Formations of the United States (American Journal of Science (2), vol. xlix., pp. 205-217, March, 1870).
On the Geology of the Eastern Uintah Mountains (American Journal of Science (3), vol. i., pp. 191-198, March, 1871).
Description of some New Fossil Serpents from the Tertiary Deposits of Wyoming (American Journal of Science (3), vol. i., pp. 322-329, May, 1871).
Notice of some New Fossil Reptiles from the Cretaceous and Tertiary Formations (American Journal of Science (3), vol. i., pp. 447-459, June, 1871).
Note on a New and Gigantic Species of Pterodactyle (American Journal of Science (3), vol. i., p. 472, June, 1871).
Notice of some New Fossil Mammals from the Tertiary Formation (American Journal of Science (3), vol. ii., pp. 35-44, July, 1871).
Notice of some New Fossil Mammals and Birds from the Tertiary Formation of the West (American Journal of Science (3), vol. ii., pp. 120-127, August, 1871).
On the Structure of the Skull and Limbs in Mosasauroid Reptiles, with Descriptions of New Genera and Species (American Journal of Science (3), vol. iii., pp. 448-464, June, 1872).
Preliminary Description of New Tertiary Mammals; Part I. (American Journal of Science (3), vol. iv., pp. 122-128, August, 1872).
Preliminary Description of New Tertiary Reptiles; Part I. (American Journal of Science (3), vol. iv., pp. 299-304, October, 1872). Part II. (American Journal of Science (3), vol. iv., pp. 305-309, October, 1872).
Notice of some New Tertiary and Post-Tertiary Birds (American Journal of Science (3), vol. iv., pp. 256-262, October, 1872).
Notice of some Remarkable Fossil Mammals (American Journal of Science (3) vol. iv., pp. 343, 344, October, 1872).
Notice of a New and Remarkable Fossil Bird (American Journal of Science (3), vol. iv., p. 344, October, 1872).
Discovery of Fossil Quadrumana in the Eocene of Wyoming (American Journal of Science (3), vol. iv., pp. 405, 406, November, 1872).
On the Gigantic Fossil Mammals of the Order Dinocerata (American Journal of Science (3), vol. v., pp. 117-122, February, 1873).
