23 



1 853 * On two epecJes of Liparis. By Wm. O. Ayres, M. D. Jan. 8, ia55. < Proc. 

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



[N. sp. L. pulchellus, L. mucosus.} 



t Description of a new genus (Loptoguu> llus) and two new species of fishe*. 

 By Wm. O. Ayres, M. D. Jan. 22, 1855. < Proc. Cal. Acad. Sci., v. 1, p t >. 

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



[N. sp. Leiostontus lineatus, LeptoguneUus gracilis.} 



t 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. l.i, 

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

 [N. ep. Petromyzon plumbeus.] 



* Remarks on the foetal Zygsena (Hammer-headed Shark). By Jeffries Wy- 

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

 1855. 



t Description of a new generic type among fishes. By 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. Anarrhichthys ocellatus.] 



t Description 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. op. 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, 1S55 ; 2d ed., pp. 32-34, 1873. 



[3. g. and 11. sp. Mylopharodon (n. g ) robusttts.] 



* Description 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, 1873. 



[N.sp. Salmo iridea,.] 



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

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

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



t Description of a new Platessa, and remarks on the Flatfish of the Sau 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. 



[N. sp. Platessa bilineata.] 



t Description of a new Salmo and a new Petromyzon. 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. Salmo rivularis, Petromyzon ciliatus.] 



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, !-">. 



[N. g. and n. sp. : 3. Embiotoca Webbi (320), 5. Embiotoca ornata (321 ), C. Embiotoca perspica- 

 bilis (321), 7. Damalichthys (n. g.) vaeca (321), 9. Abeona(n. g.) Trowbridgii (3i2, 11. Ennich- 

 thys (n. g., 322), Ennichthys megalops (323), 12. EnnichOiys Heermanni (323).] 

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



Ueber die lebend^f gebiirenden Fische an der Westkiiste von Nordamerika. 

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

 delphia April 1855.) Uebersetzt voin Herausgeber [Prof. Dr. Troscl:*'!]. 

 <Archiv fur Naturgeschichte, 21. Jahrg.,B. 1, pp. 342-354 [numb, y-14], 

 1855. 



