' CATALOGUE OF TRILOBITES, 293 



CKYPH^US. 



Crepicephalus Owen, 1852; Kept. Geol. Survey Wisconsin, Iowa and 

 Minnesota, p. 576. (See Lonchocephalus.) There is hardly a 

 question that Dr. D. D. Owen had before him when he wrote the 

 description of his genus Crepicephalus a true Ptychoparia. He 

 refers the following figures to the genus: Plate 1, fig. 8, Crepi- 

 cephalus^,, pygidium from the Miniskah Trilobite grit. Plate 1, 

 fig. 13, Crepicephalus''. loisconensis (n. s.), part of cephalothorax and 

 a portion of the cephalic shield of Z>. granulosus! Plate 1 a, fig. 

 10, glabella of Crepicephalus n. g., near Miniskah. Plate 1 a, tig. 

 14, pygidium of Crepicephalus! miniscaenis n. s., from Miniskah 

 grits. Plate 1 a, fig. 16, pj'gidium and portion of Crepicephalus! 

 and portions of cephalothorax of that genus, from the Miniskah 

 Trilobite grit. Plate 1 a, fig. 18, glabella of Crepicephalus, near 

 Miniskah, Mississipjji River. 



(Bathyurus!) angulatus H. & W. (See Ptychoparia aiigulatus.) 



{Loganellus) anytus H. & W. (See Ptychoparia anytus.) 



[Loganellus) centralis Whitf. (See Ptychoparia oweni.) 



? GiBBSi Whitf., 1880; Ann. Eept. Geol. Survey Wisconsin, 1879, p. 



50. Berlin, Green Lake Co., Wis. Tacouic. 



GiBB.si Whitf., 1880; Geol. Wisconsin, vol. 2, p. 67. 



(UBBsi Whitf., 1882; Geol. Wisconsin, vol. 4, p. 184, pi. 10, figs. 12, 13. 



[Loganellus) granulosa H. & W. (See Ptychoparia granulosa.) 



[Loganellus) hagiiei. (See Lisostracus haguei and Ptychoparia haguei.) 



{Loganellus) maculosus H. & W. (See Ptychoparia maculosus.) 



[Loganellus) 7nojitane7isis Whitf . (See Ptychoparia montanensis.) 



[Loganellus) nitidens H. & W. (See Ptychoparia nitidens.) 



ONUSTCS Whitf., 1878; Ann. Eept. Geol. Survey Wisconsin, 1877, p. 



53. Ettrick and Eau Claire, Wis. Tacouic. 



ON0STUS Whitf., 1882; Geol. Wisconsin, vol. 4, p. 182, pi. 1, figs. 22, 23. 



oweni. (See Agraulos oioeni and Ptychoparia oweni.) 



[Loganellus) planus Whitf. (See Ptychoparia planus.) 



[Loganellus) quadrans H. & W. (See Ptychopccria quadrans.) 



[Loganellus) simulcctor H. & W. (See Ptychoparia nitidens.) 



[Loganellus) unisulcatus H. & W. (See Ptychoparia unisulcatus.) 



? ivisconsensis Owen. (See Anomocare wisco7isensis.) 



Crepicephalus Wal., 1884; Bull. U. S. Geol. Survey, No. 10, p. 35. Type, 



Dikelocephalus! iowensis Owen. (See Lonchocephalus.) 

 CRYPHiEUS Green, 1837; Am. Jour. Sci., 1st series, vol. 32, p. 343. 



Dcdmanitcs [Cryphceus) barrisi Hall, 1888; Pal. New York, vol. 7, p. 



48, pi. 16 a, fig. 18. Near New Buflalo, Searstown and Iowa City, 



Iowa. Hamilton. 



■ I'.ooTHi Green, 1837; Am. Jour. Sci., 1st series, vol. 32, p. 343, fig. 



Huntington, Penn. Hamiltou; 



