13 
LEVITON, WOGAN, & ALDRICH: SCIENTIFIC BIBLIOGRAPHY OF THE 
CALIFORNIA ACADEMY OF SCIENCES, 1854-2010 
newspaper published in San Francisco, shortly after the 
meeting. The newspaper columns were then rearranged 
and printed in a signature in Proceedings style; the sig¬ 
nature containing pp. 18-19 of this paper was printed 
sometime between 25 December 1854 and 1 January 
1855. 
The article was reprinted in 1873 (p. 17-18) in what has 
become known as the “Second edition, ” in which the 
original text was reset so that there is some discrepancy 
in pagination with the original publication (see com¬ 
ments by R.E.C Steams, 1873, Prefatory Note to This 
Editon. PCAS, 2nd ed., 1:[unnumbered p. 1]).) 
[191] Ayres, William Orville. 1873. [Two new cyprinoid 
fish]. Proceedings of the California Academy of Natural 
Sciences, 2nd ed. [reprint of 1st ed.], ser. 1, 1(1 [Novem¬ 
ber]): 19-20. 
(Paper presented at the Academy meeting held on 18 
December 1854. 
This presentation was printed first in The Pacific, a 
newspaper published in San Francisco, shortly after the 
meeting. The newspaper columns were then rearranged 
and printed in a signature in Proceedings style; the sig¬ 
nature containing pp. 20-21 of this paper was printed 
sometime between 25 December 1854 and 1 January 
1855 
The article was reprinted in 1873 (pp. 19-20) in what has 
become known as the “Second edition, ” in which the 
original text was reset so that there is some discrepancy 
in pagination with the original publication (see com¬ 
ments by R.E.C Steams, 1873, Prefatory Note to This 
Editon. PCAS, 2nd ed., 1:[unnumbered p. 1]).) 
[192] Ayres, William Orville. 1873. [Description of a new 
Cyprinoid fish]. Proceedings of the California Academy 
of Natural Sciences, 2nd ed. [reprint of 1st ed.], ser. 1, 
1(1 [No vember]) :20-21. 
(Paper presented at the Academy meeting held on 25 
December 1854. Signature containing this presentation 
was print dated 1 January 1855, pp. 20-21. 
The article was reprinted in 1873 (pp. 20-21) in what has 
become known as the “Second edition, ” in which the 
original text was reset so that there is some discrepancy 
in pagination with the original publication (see com¬ 
ments by R.E.C Steams, 1873, Prefatory Note to This 
Editon. PCAS, 2nd ed., 1:[unnumbered p. 1]).) 
[193] Ayres, William Orville. 1873. [On two species of 
Liparis ]. Proceedings of the California Academy of 
Natural Sciences, 2nd ed. [reprint of 1st ed.], ser. 1, 
1(1 [No vember]) :22-23. 
(Paper presented at the Academy meeting held on 8 
January 1855. Signature containing this presentation 
[pp. 23-24] was print dated 1 February [1855], 
The article was reprinted in 1873 (pp. 22-23) in what has 
become known as the “Second edition, ” in which the 
original text was reset so that there is some discrepancy 
in pagination with the original publication (see com¬ 
ments by R.E.C Steams, 1873, Prefatory Note to This 
Editon. PCAS, 2nd ed., 1:[unnumbered p. 1]).) 
[194] Ayres, William Orville. 1873. [Descriptions of fish¬ 
es], Proceedings of the California Academy of Natural 
Sciences, 2nd ed. [reprint of 1st ed.], ser. 1, l(l[Novem- 
ber]):24-25. 
(Paper presented at the Academy meeting held on 22 
January 1855. Signature containing this presentation 
[pp. 25-27] was print dated 1 February [1855], 
The article was reprinted in 1873 (pp. 24-25) in what has 
become known as the “Second edition, ” in which the 
original text was reset so that there is some discrepancy 
in pagination with the original publication (see com¬ 
ments by R.E.C Steams, 1873, Prefatory Note to This 
Editon. PCAS, 2nd ed., 1:[unnumbered p. 1]).) 
[195] Ayres, William Orville. 1873. [Description of a lam¬ 
prey], Proceedings of the California Academy of 
Natural Sciences, 2nd ed. [reprint of 1st ed.], ser. 1, 
1(1 [November]):27. 
(Paper presented at the Academy meeting held on 5 
February 1855. Signature containing this presentation 
[p. 28] was print dated 19 February [1855], but it is like¬ 
ly it was actually printed a few days later, most likely 
before 26 February and certainly before 12 March. 
The article was reprinted in 1873 (pp. 27) in what has 
become known as the “Second edition, ” in which the 
original text was reset so that there is some discrepancy 
in pagination with the original publication (see com¬ 
ments by R.E.C Steams, 1873, Prefatory Note to This 
Editon. PCAS, 2nd ed., 1:[unnumbered p. 1]).) 
[196] Ayres, William Orville. 1873. [On a specimen repre¬ 
senting a new generic type among fishes]. Proceedings 
of the California Academy of Natural Sciences, 2nd ed. 
[reprint of 1st ed.], ser. 1, 1(1 [November]):30-31. 
(Paper presented at the Academy meeting held on 26 
February 1855. Signature containing this presentation 
[pp. 31-32] is not dated, but it was assuredly printed on 
or before before 12 March. 
The article was reprinted in 1873 (pp. 30-31) in what has 
become known as the “Second edition, ” in which the 
original text was reset so that there is some discrepancy 
in pagination with the original publication (see com¬ 
ments by R.E.C Steams, 1873, Prefatory Note to This 
Editon. PCAS, 2nd ed., 1:[unnumbered p. 1]).) 
[197] Ayres, William Orville. 1873. [Description of a new 
fish species, Catostomus labiatus, with additional 
remarks on Catostomus']. Proceedings of the California 
Academy of Natural Sciences, 2nd ed. [reprint of 1st 
ed.], ser. 1, 1(1 [November]):31-32. 
(Paper presented at the Academy meeting held on 5 
March 1855 and published in 1855[pp. 32-33], The 
obverse side of p. 33, that is p. 34, bears the signature 
date of 12 March so that it is likely that the signature 
bearing this and several early presentations following 19 
February (i.e., pages 31-34) were printed late in the 
evening of 12 March. 
The article was reprinted in 1873 (pp. 31-32) in what has 
