Paleontological Bulletin, No. 32. 
SECOND CONTRIBUTION 
TO THE 
History of the Vertebrata 
OF THE 
PERMIAN FORMATION OF TEXAS. 
FIGURES. 
BY IE. ID. COPE. 
MAY 'i, 1SS1. Proc. Amer. Philos. Soc„ Vol. XIX, p. 56 
ERYOPS MEGACEPHALUS. Fig. I, $ nat. size. Figs. 9-10, r45. 
PLATE I Proc. Amer. Philos. Soc., Vol. XIX, p. 56. 
PLATE II. 
a-b cricotus sp. 
2 ERYOPS MEGACEPHALUS. '9? 'll 'XIX 1°A '‘Mg 'jamy oojj 
•f ’SmVHJ33V03K SdOAHa 
Ill HOT Proc. Amer. Philos. Soc„ Vol. XIX, p. 56. 
ERYOPS MEGACEPHALUS. 
PLATE IV. Proc. Amer. Philos. 8oc., Vol. XIX, p. 56. 
PLATE V. 
EMPEDIAS MOI.ARIS. '95 'J 'XIX l°A "™8 'S«MJ “V “J 
•§ = ‘6 puc g jcboxa ‘sruisiDNi KoaoHxawia Lz-zz 
iA m j 162 
General Notes, 
[February, 
(From the American Naturalist, February, 1881.) 
Catalogue of Vertebkata of the Permian Formation of the 
United States. 
PISCES. 
CROSSO PTERYGIA. 
Ectosteorhachis Cope; Pal. Bull., No. 32, 1880, p. 19. 
1. E. nitidus Cope; 1. c. Texas. 
DIPNOI. 
Ctenodus Agass. 
2. C. fossatus Cope; Proc. Amer. Phil. Soc. 1877, p, 54. Eastern Illinois. 
3. C. gurleianus Cope; 1. c., p. 55. Eastern Illinois. 
4. C. periprion Cope; Proc. Amer. Phil. Soc. 1878, p. 527. Texas. 
5. C. porrectus Cope ; 1. c. Texas. 
6. C. dialophus Cope; 1. c. p. 528. Texas. 
7. C. pusillus Cope; Proc. Amer. Phil. Soc., 1877, P- I9I- Eastern Illinois. 
Ptyonodus Cope; Proceed. Amer. Philos. Soc. 1877, p. 192. 
8. P. vinslovii Cope; Proc. Acad. Philada. 1876, p. 410. Eastern Illinois. 
9. P. paucicristalus Cope; Proc. Amer. Phil. Soc. 1877, p. 54. Eastern Illinois 1881.] 
Geology and Paleontology 
163 
SELACIIII. 
Janassa MUnst. 
10. y. gurleiana Cope; Proc. Amer. Phil. Soc. 1877, p. 191. Eastern Illinois. 
11. y. strigilina Cope; S. linguceformis Cope; 1. c. p. 53, not of older authors. 
Eastern Illinois. 
12. y. ordiatia Cope; Texas. 
Diplodus Agass. 
13. D. ? compressus Newb. Eastern Illinois. 
14. D. sp. Texas. 
Orthacanthus Agass. 
15. O. gracilis Newberry. Eastern Illinois. 
16. 0. quadriseriatui Cope; 1. c. p. 192. Eastern Illinois. 
BATRACHIA. 
STEGOCEPHALI. 
Ganockphala Owen, Cope (emend.) Amer. Natur. 1880, p. 60. 
Eryops Cope ; Proc. Amer. Phil. Soc. 1877, p. 188. 
17. E. megacephalus Cope; 1. c. Texas. 
Trimerorhachis Cope; Proc. Amer. Phil. Soc. 1878, p. 524. 
18. T. insignis Cope; 1. c. Texas. 
Zatrachys Cope ; 1. c. p. 523. 
19. Z. serratus Cope ; 1. c. Texas. 
Parioxys Cope; 1. c. p. 521. 
20. P.ferricolus Cope; 1. c. Texas. 
Pantyjus Cope; Bull. U. S. Geol. Surv. Terr. 1881 (80). 
21. P. cordatus Cope; 1. c. Texas. 
Embolomera Cope, American Naturalist, 1880, p. 510. 
Cricotus Cope; Proceed. Acad. Phila. 1876, p. 405. 
22. C. gibsoni Cope; Proc. Amer. Phil. Soc. 1877, p. 185. Eastern Illinois. 
23. C. heteroclitus Cope; Proc. Acad. Philada. 1876, p. 405. Eastern Illinois; 
Texas. 
REPTILIA. 
TIIEROMORP1IA Cope; American Naturalist, 1878, p. 829. 
Pelycosauria Cope ; 1. c. 
Diplocaulida. 
Diplocaulus Cope; Proc. Amer. Phil. Soc. 1877, p. 187. 
24. D. salamandroidts Cope; 1. c. Eastern Illinois. 
Clepsydropidtz. 
Pariotichus Cope; Proc. Amer. Phil. Soc. 1878, p. 508. 
25. P. brachyops Cope ; 1. c. Texas. 
Ectocynodon Cope; 1. c. 
26. E. ordinatus Cope ; 1. c. Texas. 
Arch>eobelus Cope; Proc. Amer. Phil. Soc. 1877, p. 192. 
27. A. vellicatus Cope; 1. c. Eastern Illinois. 
L epsydrops Cope; Proc. Acad. Philada. 1876, p. 404. 
28. C. collettii Cope; 1. c. p. 407. Eastern Illinois. 
29. C. vinslovii Cope; Proc. Amer. Phil. Soc. 1877, p. 62. Eastern Illinois. 
30. C. peduncnlatus Cope; 1. c. p. 63. Eastern Illinois. 
31. C. nata/is Cope; Proc. Amer. Phil. Soc. 1878, p. 509. Texas. 
Dimetrodon Cope; Proc. Amer. Phil. Soc. 1878, p. 512. 
32. D. incisivus Cope; 1. c. Texas. 
33. D. rectiformis Cope; 1. c. p. 514. Texas. 
34. D. biradicatus Cope; Bull. U. S. Geol. Surv. Terrs. 1880 (81). 
35- D- giga* Cope; 1. c. p. 515. Texas. 
36. D. cruciger Cope; Amer. Natur. 1878, p. 830. Texas. 
Theropi.eura Cope ; Proc. Amer. Phil. Soc. 1878, p. 519. 
37. T. retroversa Cope; 1. c. Texas. 
38. T. uniformis Cope; 1. c. Texas. 164 
General Notes. 
[February, 
39- triangulata Cope ; 1. c. p. 520. Texas. 
40. T. oblusidens Cope; Pal. Bull. No. 32, 1880, p. 4. Texas. 
Metarmosaurus Cope; Proc. Amer. Phil. Soc. 1878, p. 516. 
41. M. fossatus Cope; 1. c. Texas. 
Embolophorus Cope; 1. c. p. 518. 
42. E. fritillus Cope ; 1. c. Texas. 
Lysorophus Cope; Proc. Amer. Phil. Soc. 1877, p. 187. 
43. L. tricarinatus Cope ; 1. c. Eastern Illinois. 
Bolosaurida. 
Bolosaurus Cope; Proc. Amer. Phil. Soc. 1878, p. 506. 
44. B. striatus Cope; 1. c. Texas. 
Diadectidce Cope ; Pal. Bull. No. 32, 1880, p. 8. 
Diadectes Cope; Proc. Amer. Fhil. Soc. 1878, p. 505. 
45. D. sideropelicus Cope; 1. c. Texas. 
46. D. phaseolinus Cope; Pal. Bull. No. 32, 1880, p. 9. Texas. 
Empedocles Cope; Proc. Amer. Phil. Soc. 1878, p. 516. 
47. E. alatus Cope ; 1. c. Texas. 
48. E. latibuccatus Cope; 1. c. Texas. 
49. E. molaris Cope; Pal. Bull. No. 32, 1880, p. 10. Texas. 
Helodectes Cope; Pal. Bull. 11, No. 32, p. n. 
50. H. paridens Cope ; 1. c. Texas. 
51. H. isaaci Cope; 1. c. p. 12. Texas. 
Synopsis. 
Pisces 15 
Crossopterygia I 
Dipnoi 8 
Selachii 7 
Batrachia 7 
Stegocephali 7 
Ganocephala 5 
Embolomera 2 
Reptilia 28 
Theromorpha 28 
Pelycosauria 28 
Total number of species 51 
—E. D. Cope. 
Published February 1, 1881.