221 



anfr. penult. parum attingente ; labro parum deflecto, intus 

 fusco ; umhilico profundo . 

 Long. -95, lat. -8, alt. -36. 



Hah. Oregon ; legit T. NuttaJl ; sp. unic. in Mus. suo. 

 " Differs from P. trivoUs, Say, in the acuteness of the ribs, and 

 in their being more distant." — Cuming, MS. 



73. Chiton Nuttalli, Cpr. P. Z. S. 1855, p. 231. 



74. Chiton acutus, Cpr. P. Z. S. 1855, p. 232. 



75. Chiton ornatus, Nutt. P. Z. S. 1855, p. 232. 



This may be the Chiton armatus, Nutt. of Jay's Cat. 2678 ; and 

 if so = Ch. tnuscosiis, Gould, Exp. Shells, p. 6. The descriptions 

 do not however exactly correspond, 



76. " AcM^A patina, Esch. Zool. Atl. ed. Rathke, 1831, p. 19. 

 pi. 24. f. 7, 8 ; Mid. Bull. Ac. St. Pet. vol. vi. no. 20 ; Sib. Reise, 

 p. 187.pl. 16. f. 1 a-d, 2 a-c, 3. 



+ A. scutmri, Esch. loc. cit. p. 19. pi. 23. f. 1-3 ; teste Mid.loc. 

 cit. et Phil. in Zeit. f. Mal. 1846, p. 107 ; ?D'Orb. Voy. Am. Mėr. 

 p. 479 (excl. fig.). 



= Fatella viammillata, Nutt. in Jay's Cat. no. 2839 ; Rve.Conch. 

 Ic. pi. 42. f. 140, a, b. 



+ Patella tessellata, Nutt. in Jay's Cat. no. 2885. 



+ Jun. Patella f enestrata, Nutt. in Jay's Cat. no. 2815; Rve. 

 Conch. Ic. pi. 38. f. 121, a, b. 



+ Patella verriculata, Rve. Conch. Ic. pi. 31. f. 87, a, b. 



+ Patella cinis, Rve. Conch. Ic. pi. 24. f. 60, a, b. c. 



? + Patella Nuttalliana, Rve. Conch. Ic. pi. 30. f. 80, a, b. 



1 + Pateliu Cumingii, Rve. Conch. Ic.pl. 16. f. 37, a, 6 (Valpa- 

 raiso, Cuming). 



1 + Patella diaphanūy Nutt. non Rve. {v. supra, p. 203). 



= Lottia pintadina (pars), Gould, loc. cit. inp. 203. 



Hab. Sitcha {Eschscholts, JFosnessenski) ; Kenai Bay {do.) ; 

 Aleutian Islands, Unalashka {Kastaljski) ; Tugur Bay, Schantar 

 ls\a.nds (MiddendorJ') ; Ca]i{orm&,Tpass\m{Nuttall) ; Monterey, San 

 Diego (Ideut. Green) ; Mazatlan, 2 fresh sp. (L'pool Coli.) ; (?) Chili, 

 Bohvia, Peru (D' Orbigny) ." — B.M. Maz. Cat. no. 265. p. 207. 



77. ACM^A PELTA, Esch. 



= Patella leucophcea, Nutt. MS. (non Gmel.) ; Jay's Cat. no. 

 2827; Rve. Conch. Ic. pi. 34. sp. 101. 



+ P. monticola, Nutt. MS.=P. monticolor, Jay's Cat. no. 2844. 

 + P. strigillata, Nutt. MS. ; Jay's Cat. no. 2881. 



78. " AcM.EA PERSONA, Esch. Zool. Atl. p. 20. pi. 24. f. I, 2; 

 Mid. Mal. Ros. pt. ii. p. 36. pi. 1. f. 3. 



+ Jun.=^. radiata, Esch. loc. cit. p. 20. no. 8 (teste Mid.). 

 + A. ancylus, Esch. loc. cit. p. 20. no. 10. pi. 24. f. 4 bis, 6 (do.). 



