RETEOCRINID_E. 179 
Reteocrinus fimbriatus Bituiines. 
Plate IX. Fig. 4. 
1859. E. Brttines; Geol. Rep. Canada, Dec. LV. p. 65, Plate 9, Fig. 3. 
1877. S.A. Mizter; Catal. Amer. Paleoz. Foss., p. 90. 
1881. W. and Sp.; Revision Paleocr. Part II., p. 193. 
1883. W. and Sp.; Amer. Journ. Sci., Vol. XXV., p. 266. 
1889. S.A. Mirer; North Amer. Geol. & Paleount., p. 277. 
A small species of the type of Reteocrinus magnificus. Dorsal cup to the 
top of the costals subpyramidal ; slightly more spreading from there upward. 
The plates forming the rays rounded, and elevated conspicuously above the 
interradial spaces. 
Infrabasals small, their upper angles and the adjoining lower angles 
of the basals depressed into small pits surrounding the column. Similar 
pits are formed in a radial direction by the basals and lower margins of the 
radials. Costals two, as large as the radials. Distichals eight or more, 
narrower than the costals, the lower one longer than wide, the length of the 
succeeding ones gradually decreasing upwards. Six of them apparently are 
included in the calyx, the others free arm plates. The upper distichal is 
axillary, and supports two arms, one of which remains simple, while the other 
bifurcates once more. The arms decrease but little in size; they are cylin- 
drical, composed of rather long pieces, quadrangular in outline, with nearly 
parallel faces. Pinnules decidedly tapering to their distal ends. Inter- 
radial spaces deep, paved by a large number of very small, slightly convex 
pieces, without definite arrangement. There is generally but one plate in 
contact with the basals, but its outlines are very irregular, and that is still 
more the case with the succeeding plates, and the numerous interdistichals. 
Form of ventral disk, and construction of the anal side unknown. Column 
at its upper end sharply pentagonal, with re-entering angles. 
FTorizon and Locality. — Hudson River group; Charleton Point; Anticosti. 
Type in the Canada Survey Museum. 
Reteocrinus Nealli (Har). 
Plate LX. Figs. 1a-f. 
1872. Glyptocrinus Nealli— Hatt; 24th Rep. N. Y. State Cab. Nat. Hist., p. 206, Plate 5, Figs. 18 & 19. 
1873. Glyptocrinus Onealli-— Muxx; Geol. Rep. Ohio, Paleont., I., p. 34, Plate 2, Figs. 3a, 4, c. 
1881. Reteocrinus Onealli— W. and Sr.; Revision Paleoer., Part IT., p. 193. 
1882. Glyptocrinus Nealli —S. A. Miter; Jour. Cincin. Soc. Nat. Hist., Vol. V., p. 37. 
1883. Reteocrinus Onealli —W. and Sp.; Amer. Journ. Sci., Vol. XXV., p. 260. 
1883. Gaurocrinus Nealli—S. A. Mixurr; Journ. Cincin. Soc. Nat, Hist., p. 229. 
