37. _Peru, Miami County._—In the collection of Yale University is a lower left last molar, No. 11689, labeled as having come from Peru, but there is no other information. Peru is on the Wabash River, a few miles south of Denver.
51. _Jackson Township, Miami County._—Mr. Fite reports having found another mastodon in the southeast quarter of section 11, Jackson Township, Miami County (T. 25 N., R. 5 E.). This would be not far from Pipe Creek, between Somerset and Amboy, and some miles outside of the Mississinawa moraine. The writer has seen these bones, mostly vertebræ, and agrees with the identification.
38. _Laketon, Wabash County._—Elrod and Benedict state (17th Ann. Rep. Geol. Surv. Indiana, p. 240) that in 1872 a nearly complete skeleton of a mastodon was found about 2 miles west of this place, in digging a ditch at the roadside. The exact location is in section 8, township 29 north, range 6 east, near the bank of Silver Creek. The political name of the township is Pleasant. This would be on the southern border of the great moraine already mentioned as running northeastward and southwestward, north of Eel River. After some litigation the skeleton was put on exhibition at Fort Wayne.
In throwing up an embankment for a bridge across Silver Creek, workmen found in the same township, as reported by Elrod and Benedict, bones of _Elephas primigenius_. They were under 5 feet of muck.
39. _North Manchester, Wabash County._—Elrod and Benedict, as cited above, reported that a jawbone with two teeth in it had been found on the northwest quarter of the northeast quarter of section 1, township 29, range 7 east. This is about 3 miles east of North Manchester. The description given of these teeth shows that the jaw was that of a mastodon. It was found beneath 2.5 feet of solid blue clay. According to Leverett’s map, the locality is not far west of the outer border of the Mississinawa moraine.
40. _Lagrange, Lagrange County._—Professor Donaldson Bodine, now deceased, formerly of Wabash College, Crawfordsville, Indiana, informed the writer that there are in Wabash College some teeth and other parts of a mastodon, which were found in 1910 in some dredging operations near Lagrange.
H. Pohlig (Bull. Soc. Belge Géol., etc., vol. XXVI, 1912, p. 187) described a lower jaw, found somewhere about Lagrange, which he referred to _Tetracaulodon ohioticum_. It contained a small tusk 230 mm. long and 40 mm. in diameter. There was present also an alveolus for the other tusk. He accepts the genus _Tetracaulodon_ for mastodons “a quatre défenses permanentes sans émail représenté par le _Mastodon ohioticum_.” Individuals without lower tusks are regarded by him as females.