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| Fig. | 4.—Otter from Squier and Davis | [128] |
| 5.—Otter from Squier and Davis | [128] |
| 6.—Otter from Rau. Manatee from Stevens | [129] |
| 7.—Manatee from Stevens | [129] |
| 8.—Lamantin or Sea-Cow from Squier and Davis | [130] |
| 9.—Lamantin or Sea-Cow from Squier | [130] |
| 10.—Manatee (Manatus Americanus, Cuv.) | [132] |
| 11.—Manatee (Manatus Americanus, Cuv.) | [132] |
| 12.—Cincinnati Tablet—back. From Squier and Davis | [133] |
| 13.—Cincinnati Tablet—back. From Short | [134] |
| 14.—Toucan from Squier and Davis | [135] |
| 15.—Toucan from Squier and Davis | [135] |
| 16.—Toucan from Squier and Davis | [136] |
| 17.—Toucan as figured by Stevens | [137] |
| 18.—Keel-billed Toucan of Southern Mexico | [139] |
| 19.—Paroquet from Squier and Davis | [140] |
| 20.—Owl from Squier and Davis | [144] |
| 21.—Grouse from Squier and Davis | [144] |
| 22.—Turkey-buzzard from Squier and Davis | [145] |
| 23.—Cherry-bird | [145] |
| 24.—Woodpecker | [146] |
| 25.—Eagle from Squier and Davis | [146] |
| 26.—Rattlesnake from Squier and Davis | [147] |
| 27.—Big Elephant Mound in Grant County, Wisconsin | [153] |
| 28.—Elephant Pipe. Iowa | [155] |
| 29.—Elephant Pipe. Iowa | [156] |
| 30.—The Alligator Mound near Granville, Ohio | [159] |
| 31.—Carvings of heads | [162] |
| 32.—Carvings of heads | [162] |
| 33.—Carvings of heads | [162] |
| 34.—Carving of head | [163] |
| 35.—Carving of head | [163] |