PART I.--Republication of Descriptions of Lower Carboniferous Crinoidea

from the Hall Collection now in the American Museum of Natural History, with Illustrations of the Original Type Specimens not heretofore Figured. By R. Z. Whitfield. Pp. 1-37, pll. i-iii, and 14 text figures. September 15, 1893. Price, $2.00.