340 EXPLANATION OF PLATES. 



PLATE 26. 



20, 21. Iscknochiton mertensii Midd. Ross del., . . . 125 



22, 24-26. Ischnochiton mertensii Midd. Pilsbry del., . 125 



23. Ischnochiton mertensii Midd. Emerton, . . . 125 

 27. Ischnochiton cooperi Cpr. Ross del., . . . .127 

 28-30. Ischnochiton cooperi Cpr. Pilsbry del., . . . 127 

 31-33. Ischnochiton clathratus Rve. Pilsbry del., . . 128 

 34. Ischnochiton clathratus Rve. Emerton del., . . .128 



PLATE 27. 



35-39. Ischnochiton lindholmi Schr. Amurl. Moll., . . 85 

 40-43. Ischnochiton cyaneopunctatus Kr. (=lentiginosus 



Sowb.) Siidaf.Moll., 135 



44. Ischnochiton lentiginosus Sowb. Conch. 111., . . . 135 



45, 46. Ischnochiton versicolor Sowb. Conch. Illustr., Appendix. 

 47, 48. Ischnochiton pulcherrimus Sowb. Conch. Icon., . 130 



49. Ischnochiton constanti Velain. Arch. Z. Exper., Appendix. 



50. Ischnochiton coreanicus A. & R. Conch. Icon., . .129 



51. Ischnochiton bergoti Velain. Arch. Z. Exper., Appendix. 

 52-54. Ischnochiton inca Orb. Voy. Amer. Merid., Appendix. 



PLATE 28. 



1-4. Chiton sulcatus Wood. Ross, del., . . . .191 

 5-8. Chiton goodalli Brod. Ross, del., . . . .191 



PLATE 29. 



9. Chiton goodalli Brod. Conch. Icon., .... 191 



10. Chiton barnesi Sowb. Conch Icon., . . . .190 



11, 12. Chiton barnesi Sowb. Pilsbry del., , .190 

 13, 14. Chiton (?) dimorphus Rochebr. Miss. Cap Horn. 



(See appendix). 

 15-21. Chiton murrayi Haddon (?=C. pusio Sowb., p. 133). 



Chall. Rep., . .161 



PLATE 30. 



23. Chiton magnificus Desh. Ross del., . . . .160 



24. Chiton magnificus Desh. Emerton del., . . . .160 



25. Chiton stokesii Desh. Conch. Icon., . . . .165 



26. Chiton stokesii Desh. Original, 165 



27. Chiton granosus Fremb. Pilsbry del., . . . .167 



28. Chiton granosus Fremb. Zool. Journ., .... 167 



29. 31. Chiton cumingi Fremb. Conch. Icon., . . . 164 



30. Chiton cumingi Fremb. Ross del., .... 164 



