JOHN M. CLARKE. , r ALBANY, N. Y. : CHABLE8 VAN BENTHUYSEN & SONS. 1894. QH [06 V. 50 DEDICATION...Washington, who had been my assistant in the Iowa Survey, was, the Palaeontology of New one year...thanks are due to the printers, Messrs. Charles Van speak in praise. Bbnthuysen & Sons, now the veteran...xiv, figs. (?) 7, 16, Owbk. Rept. Geol. Expl. of Iowa, Wisconsin and Illinois, p. 69, pl. xii, fig. 9...Owbk. p. 410. pi. Iv, fig. S. Survey Wisconsin, Iowa and Minnesota, pp. 585, Geol. 586, pi. iii, |