APPENDIX C. 279 



1848. 186. The terraces and ancient river bars, drifts, boulders, 

 and polished surfaces of Lake Superior. Proc. Anier. Assoc. Adv. 

 Sc., First Meeting, Philadelphia, pp. 68-70. Philadelphia, 1849. 



1848. 187. Fishes of Lake Superior. Proc. A/ner. Assoc. 

 Adv. Sc., First Meeting, Philadelphia, pp. 30-32. Philadelphia, 

 1849- 



1848. 188. On the comparison of Alpine and northern vegeta- 

 tion. Proc. A liter. Assoc. Adv. Sc., First Meeting, Philadelphia, 

 pp. 41-42. Philadelphia, 1849. 



1848. 189. Phonetic apparatus of the Cricket. Proc. A/ner. 

 Assoc. Adv. Sc., First Meeting, Philadelphia, p. 41. Philadelphia, 

 1849. 



1848. 190. Black Banded Cyprinidae. Proc. Amer. Assoc. 

 Adv. Sc., First Meeting, Philadelphia, p. 70. Philadelphia, 1849. 



1848. 191. Monograph of Garpikes. Proc. Amer. Assoc. 

 Adv. Sc., First Meeting, Philadelphia, pp. 70-71. Philadelphia, 

 1849- 



1848. 192, On the origin of the actual outlines of Lake Supe- 

 rior. Proc. Amer. Assoc. Adv. Sc., First Meeting, Philadelphia, 

 p. 79. Philadelphia, 1849. 



1848. 193. On the fossil Cetacea of the United States. Proc. 

 Amer. Acad. Arts and Sc., Vol. II., pp. 4-5. Boston, October, 

 1848. 



1848. 194. The Salmonida of Lake Superior. Proc. Boston 

 Soc. Nat. Hist., Vol. III., pp. 61-62. Boston, October, 1848. 



1848. 195. Revision of the system of classification in Zoology. 

 Proc. Boston Soc. Nat. Hist., Vol. III., p. 65. Boston, October, 

 1848. 



1848. 196. Two new Fishes from Lake Superior {Percopsis 

 Rhinichthys). Proc. Boston Soc. Nat. Hist., Vol. III., pp. 80-81. 

 Boston. November, 1848. 



1848. 197. Principles of Zoology: touching the structure, 

 development, distribution, and natural arrangement of the races of 



