IBl 



Crin. 



ohers, Ligonier, Westd. (p. 139) ; plates, the only fossil seen in 

 bed 4, Sect. 102, P. KR. cut, St. Clair, Westd. (beds 2 and 3, 

 being full of shells; p. 170) ; a few crinoids and corals among 

 multitudes of shells (p. 308) ; crowded with fragments, on Big- 

 ger's run, Robison, Wash. Co. (p. 272) ; multitudes of plates 

 and stems, with ten species of shells, at Thompson's station, 

 Mifflin, Wash. Co. (p. 303); also Baldwin t. 300' below Pitts. 

 «C. (p. 306, 309); Temperanceville (p. 311); Minnick's station 

 tunnel (p. 312) ; Pike bridge, Chartiers Cr., Robinson, Wash. 

 Co. (p. 326) ; Moon run and Meek run, Allegheny county, 

 (p. 328, 331); in S. Beaver Co. (K, 334, 337, 338, 340, 342); 

 crowded (p. 344); and also one mile above Georgetown, Ohio 

 river (p. 346, 348).— X/F. 



Crinoid joint; called by mistake PentaoHnites hamptoni^ in 

 ml Emmons' Geology of the Second district N. Y. 1842, 



p. 402. f. 111,3. Vanuxem, Geology of the Third 

 district, 1842, p. 65, f. 9, 3. Abounds in the upper 

 layers of the Loraine {Hudson ^^?J^r), formation, 

 "^^^^/'^i, at Hampton, Pulaski, Saratoga, &c. — Illh. 



Crinoid joint. Hall, Geology of the Fourth district, N. Y. 



1843, page 71, fig. l^, 5 (natural size 

 and magnified); and page 77, fig. 19,3. 

 Vanuxem, Geology of the Third dis- 

 trict, p. 79, fig. 11, 5, joint rounded 

 by solution. — Clinton, V a. 



Crinoid stem, and joints. Hall, Geo- 

 logy of the Fourth district, N. Y. 1843, 

 p. 157, figs. 61, 3, 3 a, 3 b (showing the 

 five sided canal, or syphuncle, and the 

 crenulated, or toothed edges of the 

 plates). Upper Helderherq formation, 

 Till a, 

 Crinoid head, very abundant in upper 

 part of Calciferous SS. Em- 

 mons' Geology of the Second 

 district of N. Y. 1842, page 179, 

 fig. 53, 3, Vanuxem, Geol. 

 Third Dist. N. Y. 1842, page 36, 

 Ila. 



P-36. 



fig. 2, 3.- 



11 



