

1879.] NATURAL SCIENCES OF PHILADELPHIA. 361 



We recognize the following species: 



1875. Eupachycrinus Bassetti Worthen. Geo]. Rep. 111., vol. vi. p. 528, pi. 32, fig. 

 2. Coal measures. Illinois. 



1870. Eupachycr. Boydii Meek & Worthen. Proe. Acad. Nat, Sci. Phila., p. 30. 

 Geol. Rep. 111., vol. v. p. 554, pi. 21, fig. 6. Chester litnest. Subcarb. Ches- 

 ter, III. 



1875. Eupachycr. Craigii Worthen. Geol. Rep. 111., vol. vi. p. 527, pi. 32, fig. 1. 



Upper Coal measures. Illinois and Iowa. 

 Syn. Poteriocr. hemisphariais, Shumard. 1858. Trans. St. Louis Acad. Sci., 



vol. i. p. 221 ; also Scaphiorr. (?) hcmi'sphericus Meek, 1872. Final Rep. on 



Nebraska, p. 147, pi. 5, fig. I. Geol. Rep. HI., p. 561, pi. 24, fig. 5. 

 *1S70. Eupachycr. crassus Meek & Worthen (Cyathocr. f?)crassus). Proe. Acad. 



Nat. Sci. Phila., p. 392. Zeacr. {?)crassus, lS6f. Geol. Rep. III., vol. ii. pi. 



26, figs. 2 a, b. Lower Coal measures. Fulton Co., III. 

 1873. Eupachycr. Fayettensis Worthen. Geol. Rep. III., vol. v. p. 565, pi. 24, 



fig. 10. Upper Coal measures. Illinois. 

 *1873. Eupachycr. formosus Worthen (Zeacr. formosus). Geol. Rep. 111., vol. v. 



p. 549, pi. 21, fig. 2. Chester limest, Subcarb. Chester, 111. 

 *1867. Eupachycr. geminatus Trautschold (Cromyocr. geminatus). Crin. jiing. 



Bergkalkes, p. 25, pi. 4, fig. 6 (not 7 and 8) ; 1879, Kalkbruche von Mjatsch- 



kowa, p. 120, pi. 14, figs. 5, 6. Upper Subcarboniferous. Near Moscow, 



Russia. 

 *1858. Eupachycr. globularis De Koninck (Hydeionocr. C?)globularis). Bull. 



Acad. Royale Belg., pt. ii. p. 21, pi. 2, figs. 1-4. Carboniferous. Near 



Glasgow, Scotland. 

 *1S61. (l)Eupachycr. orbicularis Hall (Scaphiocr. orbicularis). Bost. Journ. 



Nat. Hist., p. 311. Keokuk limest. Subcarb. Keokuk, Iowa. 

 #1879. Eupachycr. ornatus Trautschold (Cromyocr. ornatus). Kalkbriiche von 



Mjatschkowa, p. 121, pi. 14, figs. 9, 10. Upper Subcarb. Near Moscow, 



Russia. 



Figured in "Crin. jiing. Bergkalk., pi. 4, figs. 7 and 8," under 

 C. geminatus. 



1876. C?) Eupachycr. platybasalis White. Geol. Unita Mount., p. 108. Lower 



Aubrey Gr. Utah. 



This species is imperfectly known, and very likely belongs to 

 Hydreionoerinus. 



1857. Eupachycr. quatuor decimbrachialis Lyon. Type of this genus. (Graphi- 

 ocr. quatuor decimbrachialis) Geol. Rep. Kentucky, vol. iii. p. 477, pi. 1, 

 figs. 2 a, b. Coal measures. Crittenden Co., Kentucky. 

 Syn. Cyathocri.mts (?)pentalobus, Hall, 1858. Geol. Rep. Iowa, vol. i. pt. ii. p. 

 687, pi. 25, figs. 5 a, b. 



*1861. Eupachycr. Sangamonensis Meek & Worthen. (Cyathocr. (h Sangamo- 

 nensis) Proe. Acad. Nat. Sci. Phila., p. 392. Geol. Rep. III., vol. ii. p. 310, 

 pl. 26, fig. 1 a, b. Upper Coal measures. Sangamon Co., III. 



This species agrees very well with Eup. globularis, and with 

 Trautsehold's Russian species in the higher and more globose form 

 24 



