1881.] Geology and Paleontology. 163 
SELACHII. 
os Miins 
eed sbi Cope; Proc. Amer. Phil. Soc. 1877, p. 191. Eastern Illinois. 
a ast ieosed ee ale S. lingueformis Cope; |. ¢. p. 53, not of older authors. 
Eastern Illinois. 
ee Ag ortiona Cope ; pen 
pivisnes A 
P35 DEF saaditons Newb. Eastern Illinois. 
14. exas, 
ORTHACANTHUS Aga — 
15. O. gracilis Newberry. Eastern Illinois. 
16. VO. ybalviiriats Cope; l. c. p. 192. Eastern Illinois, 
BATRACHIA. 
STEGOCEPHALI. 
age Owen, Cope (emend.) Amer. Natur. 1880, p. 60, 
Eryops Cope ; c. Amer. rr Soc. pth 188, 
17. megacphaie Cope; 1. 
TRIMERORHACHIS Cope; Proc. ‘Ane, Phil, Soc. 1878, Dp $a42 
18. 7. insignis Cope; }.c. Texas 
ope; l.c. p. 52 
P. fer yerores Cope; Le Tex 
Paxtvi vs Cope; Bull. U. a Geol. Surv Terr. 1881 (80). 
ee Cor he Cope Tex 
st beteatreee tee Americas Naturalist, 1880, p. 510. 
gordo ei roceed. Acad. Phila. 1876, p. 405. 
7bson sa ; Proc, Amer. Phil. Soc. 1877, p. 185. Eastern Illinois. 
a C. heteroctitu Cope; eee Acad. Philada., 1376, p- 405. Eastern Illinois ; 
Tex 
REPTILIA. ; 
THEROMORPHA Cope; American Naturalist, 1878, p. 829. 
PELYCOSAURIA Cope; I. c. 
Diplocaulide. 
ee Cope; Proc. | Phil. Soc. 1877, p. 187. 
. D. salamandroides Cope; 1. c. Eastern Illinois. 
Clepsydropida. 
PARIOTICHUS Cope; Proc. Amer. ee Soc. 1878, p- 508. 
2 Pes Loe ee 
ordinatus ioe : “Le. Tex 
Auch aceite s Cope; Proc. Amer. Phil, Soc. 1877, p. 192. 
27. A. vellicatus Cope; 1. c. Eastern Illinois. 
eo Press sot Proc. Acad. Philada. 1876, p. 4 
28. C. collettii Cope; 1. c. p. 407. Eastern Illinois. 
29. C. vinslovii ; c. Amer. Phil. Soc. 1877, p. 62. Eastern Illinois. 
30.. C. pedunculatus Cope; 1. c. 3. Eastern I]linoi 
BC. serie op oc. Amer. Phil. Soc. 1878, p 39 Texas. 
DIMETRO Proc. Amer. Phil. Soc. 1878, p. 
32, 2D: i i Co e; ic... Teras. 
33. D. rectiformis Cope; |. c. p. 514. Tex 
34. D. biradicatus Cope; Bull. PP c Geol. oa. Terrs. 1880 (81). 
35- —— Cope; l. c. p. 515. 
36. ruciger a ope ; Amer. Neue. “1878, p. 830. Texas. 
THEROPL ey Co Proc. Amer. Phil. Soc. 1878, p. 519. 
37. TZ. retroversa “Gobes ; c. Texas. 
38. 7. uniformis Cope; 1.c. Texas. 
