326 PROCEEDINGS OF THE ACADEMY OF [18 19 



1868. Barycr. magnificus Meek & Worthen. Proc. Acad. Nat. Sci. Phil., p. 



340. Geol Rep. Ill , vol. v. p. 483, pi. 12, fig. 2. Keokuk liraest. Sub. 



carb. Biggsville, 111. 

 1873. Barycr. mammatus' Worthen. Geol. Rep. 111., vol v p. 486, pi. 15, fig. 



4. Keokuk limest. Subcarb. Otter Creek, 111. 

 1873. Barycr. pentagonus Worthen. Geol. Rep. 111., vol. v. p 487, pi. 15, fig 3. 



Keokuk liinest. Subcarb. Jersey Co., III. 

 *1850. Barycr. rhombiferus Owen & Shumard. (Poteriocr. rhombiferus.) Jour. 



Acad. Nat. Sci. Phil., new ser., vol. ii. U S. Geol. Saw. of Wise, Iowa, 



and Min., p 595, pi. 5 B, figs. 2 a, b, c. Lower Burl, limest. Subcarb. 



Burlington, Iowa. 

 1860 Barycr. sculptilis Hall. (Cyathocr. sculptilis.) Supp. Geol. Rep. Iowa, 



p. 59; B. sculptilis, 1868. Proc. Acad. Nat. Sci. Phil., p. 340. Upper 



Burl, limest. Subcarb. Burlington, Iowa. 

 Sy)i. Cyathocr. latus Hall, 1861. Desc. New. Pal. Foss.,p. 5; and Bost. 



Jour., p. 292. 

 Syti. Cyathocr. scitulus Meek & Worlhen, 1863. Proc. Acad. Nat. Sci. 



Phil., p. 393. 

 1861. Barycr. solidus Hall. (Cyathocr. solidus.) Desc. New Pal. Crin., p. 5. 



Bost. Jour. Nat. Hist., p. 293 ; B. solidus, 1S68. Proc. Acad. Nat, Sci. 



Phil., p. 340. Upper Burl, limest. Subcarb. Burlington, Iowa. 

 1869. Barycr. spectabilis Meek & Worthen. Proc. Acad. Nat. Sci. Phil. ; Geol. 



Rep. 111., vol. v. p. 530, pi. 20, fig. 8. Warsaw limest. Subcarb. Jersey 



Co., 111. " 

 1858. Barycr. spurius Hall. (Cyathocr. spurius.) Geol. Rep. Iowa, vol. i. pt. 



ii. p. 625, pi. 18, figs. 7, 8 ; B. spurius, 1868. Proc. Acad. Nat. Sci. Phil , 



p. 340. Keokuk limest. Subcarb. Keokuk, Iowa. 

 *1858. Barycr. stellatus Hall. (Cyathocr. stellatus.) Geol. Rep. Iowa, vol. i. 



pt. ii. p. 623, pi. 16, figs. 3, 8. Keokuk limest. Subcarb. Keokuk, 



Iowa. 

 Syu. Cyathocr. quinquelobus Meek & Worthen, 1865. Proc. Acad. Nat. Sci. 



Phil., p. 150. Geol. Rep. 111., vol. iii. p. 519, pi. 20, figs. 6 a, b. 

 1875. (?) Barycr. striatus Worthen. Geol. Rep. 111., vol. vi. p. 515, pi. 29, fig. 5. 



Keokuk limest. Subcarb. Jersey Co., 111. 



This is certainly not Barycrinus. The Hues of the sutures in 

 the figure are drawn incorrectly, as, according to it, the basals 

 are radial in position. It is most probably a Dichocrinus. 



1865. Barycr. subtumidus Meek & Worthen. (Cyathocr. subtumidus.) Proc. 

 Acad. Nat. Sci. Phil., p. 151, Geol. Rep. 111., vol. v. p. 487, pi. 13, fig. 3; 

 B. subtumidus, 1868. Proc. Acad. Phil. p. 340. Keokuk limest. Sub- 

 carb. Greene Co., 111. 



1860. Barycr. Thomae Hall. (Cyathocr. Thomae.) Supp. Geol. Rep. Iowa, p. 61 ; 

 B. Thomce, 1868. Proc. Acad. Nat. Sci. Phil., p. 340. Warsaw limest. 

 Subcarb. Warsaw, 111. 



1 We are well aware that a number of these Keokuk species of Bary- 

 crinus are mere variations of earlier types, but as our material is too limited 

 for comparison, we give them as they were described. 



