32 PUBLICATIONS OF 5?PENCEK P. BAIRD. 



57. 



1854. Baird, Spencer F., a?id Charles Girard. [Cyprinidse ofHeermau's CoUec- 

 fcion.] <^Grirard^s Descriptions of New Fishes collected hy Dr. A, S. Heerman 

 (ProG. Acad. Nat. Sci. Phila., 1854, pp. 129-156) = (pp. 135-138). 

 Six new species are described. 



17. Gila conocephala, B. and G-., n. s p. 135 



Eio San Joaquin, Cal. 



18. Pogonichthys maequilobus, B. andG.,n. a 136 



San Joaquin Eivor, Cal. 



19. Pogonichthys symmetricus, B. and G., n. s. 



Fort Miller, Cal. 



20. Lavinia exilicauda, B. andG.,n. 8 137 



Sacramento Kiver, Cal. 



21. Lavinia crassicauda, B. and G., n. s. 



San Francisco, Rio San Joaquin, &c. 



22. Leucosomus occidentalis, B. and G., n. s. 



Posa and Grove Creeks, Cal. 



58. 



1854. Baird, Spexcer F., and Charles Girard. Notice of a new genua of Cyprin- 

 idae. <^P}-oc. Acad. Nat. Sci. Phila., vii, 1854, p. 158. 

 Cochlognathus, B. and G., n. s 156 



Cochlognathus ornatus, B. and G., n. s. 

 Brownsville, Tex. 



59. 



1854. Baird, Spen'cer F. Characteristics of some New Species of Mammalia, col- 

 lected by tlie U. S. and Mexican Boundary Survey, Major W. H. Emory, U. 

 S. A., Conimissiouer. Part I. < Proc. Acad. Nat. Sci. Phila., vii, pp. 331-333. 

 Read and ordered printed April 24, 1854. 

 The following eleven species are described : 

 SciurusUmitis, Baird, n. s p. 384 



Devil's River, Texas. 

 Sciurus castanotiis, Baird, n. s. 



Mimbres. 

 Tamias dorsalis, Baird, n. s. 



On the Mimbres. 

 Spermophilus spilosonia, Bennet. 



El Paso. 

 Spermophilus Couchii, Baird, n. s. 



Santa Caterina, Mex. 

 Perognatus fiavus, Baird, n. s. 



El Paso. 

 Oeomys Glarkii, Baird, n. s. 



Presidio del Norte, on tbe Eio Grande. 

 Thomomys umbrinus (Rich.), Baird. 



El Paso. 

 Sigmodon Berlanderi, Baird, n. s 883 



Between San Antonio and El Paao. 

 Neotoma mexicana, Baird, n. s. 



Chihuahua. 

 Neotoma micr op us, Baird, n. s. 



Charco Escondido and Santa Koaalio, Mex. 



60. 



1854. Baird, Spenxer F. Characteristics of some New Species of North American 

 Mammalia, collected chiefly in connection with the U. S. Surveys of a Rail- 

 road Route to the Pacilic. Part I. <^ Proc. Acad. Nat. Sci. Phila., vii, pp. 

 333-G. Read and ordered printed April 24, 1854. 



Fifteen species are described, twelve of which are new. 



Lepus washingtonii, Baird, n. s 333 



Puget Sound and Shoalwater Bay. 



