23 



1 855 * On two speci-es of Liparis. By Wm. O. Ayres, M. D. Jan. 8, 1855. < Proo 

 Cal. Acad. Sci., v. 1, pp. 23-24, Feb. 1, 1855; 2d ed., pp. 21-23, 1873. 

 [N. sp. L. pidchellus, L. wmoosus.J 



t Description of a new genus (Leptogundlus) and two new species of iishes. 

 By Win. O. Ayres, M. D. Jan. 22, 1855. <Proc. Cal. Acad. Sci., v. 1, pp. 

 25-27, 1855 ; 2d ed., pp. 24-25, 1873. 



(ST. sp. Leiostomus lineatus, LeptoguneUus gracilis.] 



f Description of a Lamprey, from the vicinity of San Francisco. By Win. O. 

 Ayres, M, D. Feb. 5, 1855. <Proc. Cal. Acad- Sci., v. 1 ? p. 28, Feb. 19, 

 1855; 2d ed., p. 27, 1873. 

 (N". gp. Petremyzon plumbeits.] 



* Remarks on the festal Zygaena (Hammer-headed Shark). By Jeffries Wy- 



man. Feb. 21, 1855. < Proc. Boston Soc. Nat. Hist., v. 5, p. 157, March, 



1855. 



t Description of a new generic type among fishes. Py Wm. O. Ayres, M. 

 D, Feb. 26, 1855. < Proc. CaL Acad. Sci., v. 1, pp. 31-32, 1855; 2d ed., pp. 

 30-31, 1873. 



(N. sp. AvMrrhichthys oceUatus.} 



fDescription of a new species of Catastomus. By Wm. O. Ayres, M. D. 

 March 5, 1855. < Proc, Cal. Acad. Sci., v. 1, pp. 32-33, 1855; 2d-ed., pp. 31- 

 32, 1873. 



[N. sp. Catostomus labiates.] 



* Description of a new ichtbyic type. By Wm. O. Ayres, M. D. March 12, 



1855. < Proc. Cal. Acad. Sci., v. 1, pp. 33-35, 1855 ; 2d ed., pp. 32-34, 1873- 

 {N. g, aud u. sp. Mgtopharodon (n. g) robnstus.] 



* Descriptioa of a new Trout. By W. P. Gibbons. March 19, 1855. < Proc. 



Cal. Acad. Sci., v. 1, pp. 36-37, 1855; 2d ed., pp. 35-36, 1573. 

 {X. ep. JSalmo iridea.] 



*On specimens of Gasterosteus plebems, Gir., brought from San Jos6 by the 

 Rev. Mr. Douglas. By Wm. O. Ayres, M. D. April 2, 1855. < Proc. Cal. 

 Acad. ScL, v. 1, p. 40, 1855; 2d ed., p. 39, 1873. 



t Description of a new Platessa, and remarks on the Flatfish of the San Fran- 

 cisco markets. By Wm. O. Ayres, M. D. April 2, 1855. < Proc. Cal. 

 Acad. Sci., v. 1, pp. 39-40, 1855; 2d ed., pp. 39-40, 1873. 

 fX. p. Pl&te&sa bilhteata.] 



t Description of a new Salrno and a new Petroinyzon. By Wm. O. Ayres. 

 April 16, 1855. < Proc. Cal. Acad. Sci., v. 1, pp. 4:3-45, 1855; 2d ed., pp. 

 42-44, 1873. 

 [N. sp. Saline rivularis, Petromyzon dliatns.} 



Notice upon the Viviparous Fishes inhabiting the Pacific coast of North Amer- 

 ica, with an enumeration of the species observed. By Charles Girard. 

 April 24, 1855. <Proc. Acad. Nat. Sci. Phila,, v. 7, pp. 318-323, 1-55. 



{N. . aud n. ep. : 3. Embioioca Webbi (320), 5 Embiotocaomata(32'i), G. Embiotocapergpica- 

 bUia (321), 7. Da,nalichthys (u. g.) vacca (321), 9. Al>eona(n. g.) Trowbridgii (3->2>, II. Ennich- 

 tkys (n.g., 322), Ennichthys megalops (323), 12. EnnichJthys Hcermantii (323).] 

 [Tranalated into German by Dr. Troschel as follows:] 



Ueber die lebendig gebiirenden Fische an der Westkiiste von Nordamerika. 

 Von Charles Girard. (Proceedings of the Academy of uat. sc. of Phila- 

 delphia April 1855.) Uebersetzt voin Herausgeber [Prof. Dr. Troschel]. 

 <Archiv fiir Naturgeschichte, 21. Jahrg.,B. 1, pp. 342-354 [numb. 344], 

 1855. 



