550 
PALAEONTOLOGY OF NEW YORK. 
ALPHABETICAL ARRANGEMENT—Continued. 
NAME. 
Pterinea, Goldfuss. 182*5. 
P. Chemungensis, Conrad, 
P. consimilis, Hall, 
P. dispanda. Hall. 
P. flabella, Conrad, 
P. grandis, n. sp., 
P. interstrialis, Hall, 
P. pinguis, Hall, 
P. prora, Hall, 
P. rigida, Hall, . 
P. (Vertumnia) avis, Hall, 
P. (Vertumnia) reproba, Hall, 
P. (Vertumnia) reversa, Hall, 
Pteronites, McCoy. 1844. 
P. inoptatus, Hall, 
P. profundus. Hall, 
P. rostratus, Hall, 
PAGE. PLATE AND FIGURE. 
98 XVI, figs. 3, 7, 10, 12 ; LXXXIV, fig. 21. 
100 XVI, rigs. 1, 2, S, 9, 11; LXXXIV, fig. 23. 
97 XV, fig. 7. 
93 XIV, figs. 1-21 ; XV, figs. 1, 4-6, 8-10 ; LXXXIII, figs. 11, 12. 
91 LXXXIII, fig. 14. 
96 LXXXIV, fig. 22. 
92 XV, figs. 2, 3; LXXXIII, fig. 13. 
102 XVI, figs. 4, 13, 14. 
101 XVI, figs 5, 6. 
105 XXIV, figs. 9, 11, 13. 
106 LXXXII, figs. 19, 20. 
104 XXIV, figs. 6, 12; LXXXIV, fig. 24. 
239 LXXXVII, fig. 5. 
237 XXII, figs. 25-27. 
238 XXII, fig. 24. 
Pterinopecten, Hall. 1883. 
P. conspectus, Hall, .... 66 
P. crenicostatus, Hall, ... 78 
P. dignatus, Hall, .... 62 
P. dispandus, Hall, ... 76 
P erectus, Hall, ... .77 
P. exfoliatus, Hall, ... 61 
P. filitextus, Hall, .... 67 
P. Hermes, Hall, .... 64 
P. imbecilis, Hall, .... 75 
P. insons, Hall, . . . 59 
P. intermedius, Hall, .... 68 
P. ltetus, Hall, .... 63 
P. multiradiatus, Hall, ... 57 
P. Neptunus, Hall, ... 79 
P. nodosus, Hall, .... 60 
P. reflexus, Hall, ... 5S 
P. regularis, Hall, .... 70 
P. spondylus. Hall, ... 65 
P. suborbicularis, Hall, ... 80 
P. undosus, Hall, .... 72 
P. Vertumnus, Hall, .... 71 
P. (Avieulopecten ?) strictus, Hall, 74 
XVII, figs. 17, 18, 20, 21.1 
VIII, figs. 3, 4 ; LXXXII, fig. 14. 
I, figs. 12, 14, 15. 
LXXXII, figs. 11, 12. 
LXXXII, figs. 15-17. 
I, figs. 16, 17 ; LXXXIII, figs. 6, 7. 
XVII, fig. 22; LXXXII, figs. 9, 10. 
XVII, figs. 13-15. 
XXIV, fig. 1. 
1, fig. 4. 
XVII, fig. 19 ; LXXXIII, figs. 4, 5. 
I, fig. 13. 
I, figs. 6, 7. 
VIII, figs. 5-7. 
LXXXII, fig. 13. 
LXXXII, fig. 8. 
LXXXIII, fig. 1. 
XVII, fig. 16. 
VIII, figs. 1,2; XXIV, fig. 10; LXXXII, fig. 4 
II. figs. 10-19 ; LXXXII, fig. 7. 
V. figs. 1-8 ; LXXXIII, figs. 2, S.% 
XXIV, fig. 2 ; LXXXII, fig. 18. 
Ptvcliodesina, Hall and Whitfield. 
1872. 
P. Knappianum, Hall and Whitfield, . 352 
P. minor, Hall, .... 353 
P. nanum, n. sp., .... 353 
Ptycliopteria, Hall. 1883. 
P. alata, Hall,.139 
P. Beecheri, Hall, .... 143 
P. elongata, Hall, .... 141 
P. Eucrate, Hall, .... 133 
P. Eudora, Hall, .... 138 
P. expansa. Hall, .... 152 
P. falcata, Hall, ..... 136 
P. Galene, Hall.142 
P. gibbosa, Hall, .... 149 
P. lata, Hall,.145 
LI, figs. 22-27. 
XLI, fig. 27. 
XCIII. figs. 17, 18. 
XXIII, figs. 25, 26 (21, 22?); LXXXV, fig. 26. 
LXXXV, figs. 21, 22. 
LXXXV, figs. 10-13. 
XXIII, fig. 24 ; LXXXV, figs. 27, 28. 
LXXXV, fig. 9. 
XXIII, figs. 10, 11. 
LXXXV, figs. 6, 7. 
LXXXV, figs. 29-31. 
LXXXV, fig. 5. 
LXXXV, figs. 23-25. 
