﻿ILLUSTRATIONS 
  

  

  PLATES 
  

  

  Plate 
  

  

  Philip 
  Pearsall 
  Carpenter 
  (1819-1877) 
  Frontispiece 
  

  

  Facing 
  page 
  

  

  1. 
  Huxleyia, 
  Barbatia, 
  Nticula, 
  Glycymeris, 
  and 
  

  

  Philobrya 
  326 
  

  

  2. 
  Pecten 
  and 
  Nuculana 
  327 
  

  

  3. 
  Pecten 
  328 
  

  

  4. 
  Modiolus, 
  Adula, 
  and 
  Asthcnothacrus 
  329 
  

  

  5. 
  Pandora 
  and 
  Ostrea 
  330 
  

  

  6. 
  Cu^pidaria, 
  Leiomya, 
  and 
  Pandora 
  331 
  

  

  7. 
  Glaus, 
  Eucrassatella, 
  Mysclla, 
  Astarie, 
  and 
  Axinopsida 
  332 
  

  

  8. 
  Miodontiscus 
  and 
  Lucina 
  333 
  

  

  9. 
  Pscudopythina, 
  Kellia, 
  Prtstes, 
  and 
  Humilaria 
  334 
  

  

  10. 
  Compsomyax, 
  Nemocardium, 
  and 
  Lepton 
  335 
  

  

  11. 
  Protothaca, 
  Pscphidia, 
  and 
  Chione 
  336 
  

  

  12. 
  Pctricola 
  and 
  Coopcrella 
  337 
  

  

  13. 
  Macoma 
  and 
  Tellina 
  338 
  

  

  14. 
  Darina, 
  Macoma, 
  Apolymctis, 
  Crepidtila, 
  and 
  Scmcle 
  339 
  

  

  15. 
  Gari, 
  Sphenia, 
  and 
  Corhula 
  340 
  

  

  16. 
  Macoma, 
  Psamnwbia, 
  Callopoma, 
  and 
  Gari 
  341 
  

  

  17. 
  Dentalium, 
  Solariella, 
  Margarites, 
  Calliostoina, 
  Cidarina, 
  and 
  Acmaea 
  342 
  

  

  18. 
  Littorina, 
  Lacuna, 
  Phasianclla, 
  Margarites, 
  Acmaea, 
  Lcpcta, 
  Puncturella, 
  and 
  

  

  Fissurella 
  343 
  

  

  19. 
  Tegula, 
  Cythnia, 
  Halistylus, 
  Tcinostonw, 
  Liotia, 
  Arenc, 
  HomaloPoma, 
  Astraca, 
  

  

  Lacuna, 
  and 
  Phasianclla 
  344 
  

  

  20. 
  Barleeia, 
  Tachyrhynchus, 
  Turritella, 
  Caecmn, 
  Micranellum, 
  Alabina, 
  Petaloconchus, 
  

  

  Albania, 
  Cerithidea, 
  Diastoma, 
  Opalia, 
  and 
  Epitonimn 
  345 
  

  

  21. 
  Hipponix, 
  Vclutitm, 
  Odostomia, 
  Tercbra, 
  Calypfraca, 
  Iselica, 
  and 
  Turbonilla 
  346 
  

  

  22. 
  Opalia, 
  Barleeia, 
  Bittium, 
  Epitonimn, 
  Ah'ania, 
  Diata, 
  and 
  Turbonilla 
  347 
  

  

  23. 
  Ocenebra, 
  Anachis, 
  Aesopus, 
  and 
  Amphissa 
  348 
  

  

  24. 
  Kellctia, 
  Olivella, 
  Cystiscus, 
  Gibberulina, 
  and 
  Admcte 
  349 
  

  

  25. 
  Voh'ulclla, 
  Mitronwrpha, 
  Propebcla, 
  Mangclia, 
  Willianiia, 
  Cylichnu, 
  and 
  Acteocina 
  350 
  

  

  26. 
  Cystiscus, 
  Admete, 
  Ocenebra, 
  and 
  Mitrella 
  351 
  

  

  27. 
  Atys, 
  Mangelia, 
  Pallochiton, 
  Cyanoplax, 
  and 
  M 
  opalia 
  352 
  

  

  28. 
  Mangelia, 
  Leptochiton, 
  Cyanoplax, 
  and 
  Nuttalina 
  353 
  

  

  29. 
  Chaetoplenra 
  and 
  Ischnochiton 
  354 
  

  

  30. 
  Ischnochiton 
  and 
  Chaetoplenra 
  355 
  

  

  31. 
  Ischnochiton 
  and 
  M 
  opalia 
  356 
  

  

  32. 
  Callistochiton, 
  Mopolia, 
  Dcndrochiton. 
  Acofithochitona 
  and 
  Ischnochiton 
  357 
  

  

  33. 
  Ischnochiton, 
  Mopalia, 
  Basilinchiton, 
  and 
  Callistochiton 
  358 
  

  

  34. 
  Ischnochiton 
  coopcri 
  359 
  

  

  35. 
  Ischnochiton 
  and 
  Leptochiton 
  360 
  

  

  TABLES 
  

  

  Table 
  

  

  Page 
  

  

  1. 
  Type 
  localities 
  of 
  species 
  described 
  by 
  Carpenter 
  from 
  the 
  West 
  Coast 
  37 
  

  

  2. 
  Stratigraphic 
  distribution 
  of 
  species 
  48 
  

  

  