Trask J.B. (1857[1873]). [On some new microscopic animals]. Proceedings of the California Academy of natural Science. 1 (reprinted 2nd edition 1873): 99-104, pls 4-5.
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Trask J.B.
1857[1873]
[On some new microscopic animals]
Proceedings of the California Academy of natural Science
Vol. 1 republished in 2nd. ed. in 1873, with prefatory note: "No changes whatever have been made in the text, and only palpable typographical errors corrected ... An index of authors has been added ... wanting in the previous edition."