232 REPORT OF THE 



194. Larus Delawarcnsis, Ord — Ring-billed Gull. 



195. Chroicocepha us atrichia, Linn — Laughing Cull. 



196. " Philadelphia, Lawrence. — Bonaparte's Gull. 



Sub-Family Sterninae. 



197. Sterna Wilsoni, Bonap. — Wilson's Tern. 

 x 197 a . " fienata, Gambel — Least " 



x 198. Hydrochelidon plumbea, Lawrence — Black Tern. 



FAMILY COLYJIBIDAE. 



Sub-Family Colymbinae. 



199. Colymbus torquatus, Brunn. — Loon. 



Sub Family Podicipinae. 



200. Podiceps griseigenu, Gray. — Rod-necked Grebe. 



201. " cristatus, Lath. — Crested " 



202. " cornutus, Lath — Horned " 



203. Podilymbus podiceps, Lawrence. — Pied-bill " 



CLASS REPTILIA. 



ORDER TESTUDINATA. 



SUB-ORDER AMYDAE. 



FAMILY TRIONYCHIDAE. 



■1. Amyda mutica, Fitz. 



x 2. Aspidonectes spinifer, Ag — Soft-shelled Turtle. 



FAMILY CHELYDROIDAE. 



3. Chelydra serpentina, Schw. — Snapping Turtle. 



FAMILY CINOSTERNOIDAE. 



*4. Ozotheca odorata, Ag. 

 Jb. Thyrosternum Peuns^ Ivanicum, Ag. — Musk Turtle. 



FAMILY EMYDOIDAE. 



%. Grantemys geographiea, Ag. 



*198. U. plimbea. I shot severa, spec mens of this beautiful torn last June, on the shore of 

 Saginaw Bay. From the number of iudiyiduals in that vicinity I supposed it to be 

 breeding there. 



