LAMELLIBRANCHIA TA, 
545 
ALPHABETICAL ARRANGEMENT—Continued. 
NAME. PAGE. 
Leiopteria Sayi, Hall, . . . 162 
L. Torreyi, Hall, . . . . 174 
L. Troosti, Hall,.167 
Leptodesma, Hall. 1883. 
L. acutirostrum, Hall, . . . 234 
L. Agassizi, Hall, .... 182 
L. alatum, Hall,.218 
L. aliforme, Hall, .... 220 
L. arciforme, Hall, .... 229 
L. aviforme, Hall, .... 224 
L. Becki, Hall,.185 
L. Billing-si! Hall, .... 192 
L. Biton, Hall.222 
L. Cadmus, Hall, .... 201 
L. Clitus, Hall.210 
L. complanatum, Hall, . . . 227 
L. Corydon, Hall, .... 212 
L. Creon, Hall, .... 202 
L. curvatum. Hall, .... 196 
L. Demus, Hall, .... 203 
L. disparile, Hall, .... 186 
L. extenuatum, Hall, . . . 207 
L. flaccidum, Hall, .... 225 
L. Hector, Hall, .... 209 
L. Jason, Hall, ..... 213 
L. lepidum, Hall, .... 195 
L. Lesleyi, Hall, . . . .223 
L. Lichas, Hall, .... 232 
L. longispinum, Hall, . . . 179 
L. Loxias, Hall, .... 204 
L. Lysander, Hall, . . . .216 
L. Maclurii, Hall.228 
L. Marcellense, Hall,.... 175 
L. Matheri, Hall, . . . . 193 
L. Medon, Hall.197 
L. Mentor, Hall, .... 205 
L. Mortorii, Hall, . . . .190 
L. mytiliforme. Hall, . . . 235 
L. naviforme. Hall, .... 200 
L. Nereus, Hall, . . . . 217 
L. Orcus, Hall, ..... 215 
L. Orodes, Hall, .... 206 
L. Orus, Hall, ..... 219 
L. patulum. Hall, .... 226 
L. Pelops, Hall,.214 
L. Phaon, Hall, .... 230 
L. potens, Hall,.188 
L. potens, var. juvens, Hall, . . 189 
L. propinquum, Hall, . . .231 
L. protextum, Conrad, . . . 183 
L. quadratum, Hall, .... 233 
L. robustum, Hall,. . . . 181 
L Rogersi, Hall, .... 176 
L. rude, Hall,.221 
L. Shumardi, Hall, . . . .180 
L. sociale, Hall, .... 187 
L. spinigerum, Conrad, . . . 177 
L. Stephani, Hall, .... 194 
L. truncatum, Hall.211 
L. umbonatum, Hall, . . . 198 
L. umbonatum, var. depressum, Hall, 199 
PLATE AND FIGURE. 
LXXXVIII, figs. 15-20. 
XXII, figs. 6, 7 ; LXXXVIII, fig. 11. 
LXXXVIII, figs. 12, 13. 
XCI, fig. 21. 
LXXXIX, figs. 17-19. 
XC, figs. 26, 27. 
XXII, fig. 28; XCI, fig. 2. 
XCI, fig. 12. 
XCI, fig. 8. 
XXII, figs. 3-5. 
LXXXIX, figs. 12-15. 
XCI. fig. 1. 
XC, figs. 6, 7. 
XC, fig. 21. 
XXII, fig. 2. 
XC, fig. 22. 
XC, figs. 11-13. 
XXV, fig. 5. 
XC, figs. 15, 16. 
XXV, figs. 2-4 ; LXXXIX, figs. 23, 24. 
XXII, fig 23; XC, figs. 17, 18. 
XCI. fig. 9. 
XC, figs. 19, 20. 
XCI, figs. 4-6. 
XXI, fig. 40 ; LXXXIX, fig. 16. 
XCI, fig. 7. 
XXI, figs. 35-39 ; XCI, figs. 19, 20. 
XXI, figs 14, 17-19 ; LXXXIX, figs. 2-4. 
XC, fig 14. 
XXII, fig. 22 ; XC, fig. 34. 
XXV, figs. 8. 13; XCI, figs. 13, 14. 
XVII, fig. 12. 
XXII, figs. 8, 9, 10; LXXXIX, fig. 25. 
XC, figs. 1-4 
XC, fig. 5 ; XXIII, fig. 15 I 
XXI, figs. 29, 31, 32 ; LXXXIX, figs. 9-11. 
XXV, figs 7, 11 ; XCI, figs. 22-25. 
XXII. fig. 15 ; XXIII, fig. 1. 
XC, figs. 31-33. 
XC, fig. 23. 
XXV, figs. 6, 9, (10 ?) ; XC, fig. 8. 
XC, fig. 30. 
XCI, figs. 10, 11. 
XC, figs. 28, 29. 
XCI, fig. 18. 
XXI, figs. 21,30; XXII, figs. 11,12,19, (20 i), 21; LXXXIX, fig.7, 
XXII, fig. 16. 
XCI, figs. 16, 17. 
XXI, figs. 22, 23. 
XCI, fig. 15. 
XXI, figs. 15, 16, 20 ; LXXXIX, fig. 8. 
XXI, figs. 1-9. 
XXV, fig. 12 ; XCI, fig. 3. 
LXXXIX. figs. 5, 6. 
XXI, figs. 24-28, (33. 34 ?) 
XXI, tigs. 10-13 ; LXXXIX, fig. 1. 
LXXXIX, figs. 20-22. 
XC, tigs. 24, 25. 
XXII, fig. 13; XC, fig. 9. 
XXII, fig. 14; XC, fig. 10. 
