ARCACEA. 



51 



103. A. reticulata, CAewjm'te, Lamarck, Anini. sans vert.v.6. p.475. 



104. A. reversa, Gray, Reeve, Conch.Icon.pl. 1. f. 5. 



105. A. rhombea, Born, Reeve, Conch. Icon. pi. 2. f. 12. 



106. A. rotundicostata, Reeve, Conch. Icon. pi. 7. f. 46. 



107. A. rufescens, Reeve, Conch. Icon. pi. 8. f. 53. 



108. A. scapha, Chemnitz, Reeve, Conch. Icon. pi. 4. f. 25. 



109. A. sculptilis, Reeve, Conch. Icon. pi. 17. f. 118. 



1 10. A. secticostata, Reeve, Conch. Icon. pi. 6. f. 38. 



111. A. seniitorta, Lamarck, Reeve, Conch. Icon. pi. 13. f. 89. 



112. A. senilis, Linnceus, Reeve, Conch. Icon. pi. 7. f. 45. 



113. A. setigera. Reeve, Conch. Icon, pi, 14. f. 94. 



1 14. A. sinuata, Lamarck, Anim. sans vert. v. 6. p. 462. 



115. A. solida (Bt/ssoarca, Sowerby), Reeve, C. Icon. pi. 16. f. 106. 



116. A. sulcata., Lainarck, Anim. sans vert. v. 6. p. 464. 



117. A. symmetrica. Reeve, Conch. Icon.pl. 17. f. 117. 



118. A. tenebrica. Reeve, Conch. Icon.pl, 16. f. 105. 



119. A. tenella. Reeve, Conch. Icon, pi. 14. f. 91. 



120. A. tetragona, Poli, Reeve, Conch. Icon.pl. 15. f. 100. 



121. A. tortuosa, Li?mcBUS, Reeve, Conch. Icon.pl. 13. f. 86. 



122. A. transversa. Say, Reeve, Conch, Icon. pi. 2. f. 13. 



123. A. trapezia, Deskai/es (lobata), Reeve, Conch. Icon. pi. 3. f. 19. 



124. A. trapezina, Lamarck, Reeve, Conch. Icon. pi. 15. f. 103. 



125. A. truncata (Byssoarca, Sowerby), Reeve, C. Icon.pl.ll. i. 74. 



126. A. tuberculosa, Soiverby, Reeve, Conch. Icon. pi. 3. f. 18, 



127. A. velata (Byssoarca, Sowerby), Reeve, Con. Icon, pi, 12, f. 79. 



128. A. vellicata. Reeve, Conch, Icon. pi. 5. f. 33. 



129. A. virescens, Reeve, Conch. Icon. pi. 15. f. 97. 



130. A. volucris, Reeve, Conch, Icon, pi. 16. f. 109. 



131. A. zebra {Byssoarca, Swainson), Reeve, Con. Icon.pl.l 1, f. 69. 



132. A. Zebuensis, Reeve, Conch. Icon. pi. 17. f. 120. 



Genus III. PECTUNCULUS, Lamarck. 



1. P, angulatus, Lamarck, Reeve, Conch. Icon. pi. 6. f. 30. 



2. P. assimilis, Soiverby, Pro. Z, S. 1832 ; Reeve, C. I. pi. 4, f, 15, 



3. P. auriOuus, Reeve, Pro. Z. S. 1843 ; Conch. Icon.pl. 4. f. 17. 



4. P. bicolor, Reeve, Pro. Z, S, 1843 ; Conch, Icon, pi, 5. f, 20, 



5. P. cancellatus. Reeve, Pro. Z, S. 1843 ; Conch, Icon, pi. 7. f. 39. 



6. P. castaneus, Lamarck, Reeve, Conch. Icon. pi. 6. f. 32. 



Area variegatn, Chemnitz ; Area (Bquilatera, Gmelin, 



B 2 



