— 78 — 



nempe mlnutissirase appressa; et majores elongata?, patulfp, 

 versus niarg;inem deiisioies, omnes elegandssime sulculatae. 

 Forma et magnitudine C'h. purpurascenti C B. Adams affinis. 

 In specimine a Reeve tab. 36. f. 133 delineato, limbus evi- 

 denter tantum fortuito denudatus. 



15. Chiton [Chcetopleura) rugosus Sowb. 



Syn. Chilon rugosus („Gray ined'-') Sowb. Conch. Sil. f. 49. 

 „ squalidus C. B. Adams ! Proc. Bost. Soc. 1845, p. 9. 

 „ rugosus Reeve Mon. sp. 115. tab. 18. f. 115. 

 „ Guüdingii Reeve 1. c. sp. 138. tab. 21. f. 138. 

 „ bicolor (C. B. Adams ined.) Gray Zool. Proc. 



1847. p. 67. 

 Hab. Jamaica, Cuming!, C. B. Adams!; Portorico, Blauner ! i 



St. A'incent, Cuming! 

 Obs. Cfi. Guüdingii Reeve, secundum specimina a Cuming accepta 

 vix nisi forma Cli. rugosi Sowb. Species satis variabilis : lir?» 

 vcl costic arearum lateralium plus minusve distinctae, interdum 

 autem fere obliteratfe. Color nunc viridis, liinc inde transverse 

 late albo-vittatus, nunc sordide albidus viridi-vel olivacco ma- 

 culatus et vittatus. Species, ut videtur, ublque rarior. 



16. Chiton [Acanthopleura] piceus Chemn. 



Syn. Der pechschivarze granulirle Chilon. Chilon piceus gra- 

 nulalus etc. Chemn. Conch. Cab. 8. p. 284. tab. 96. 

 f. 806-810. 



Chilon piceus Gmel. p. 3205. 

 „ granulalus Gmel. I. c. 

 „ piceus Wood. 1. c. p. 8. tab. 1. f. 3. 

 „ granulalus Wood. 1. c. p. 9. 

 „ piceus Sowb. Conch. 111. f. 147. 

 „ granulalus Orb. Moll. Cub. 2. p. 209. 

 „ occidenlalis Reeve Mon. sp. 76. tab. 14. f. 77a. 

 Hab. Cuba, Rugel ! , Orbigny; Jamaica, Coming!, C. B. Adams !j 

 St. Thomas, Chemnitz, Blauner!; Portorico, Blauner! 3 Mar- 

 tinique, Orbigny. 

 Obs. Arese laterales valvarum glandulis parvis, scd oculo armato 

 conspicuis, pellucidis, aureis, basi aterrimo circumdatis, pul- 

 cherrimc ornatae suntj quod etiam in speciebus plurimis affi- 

 nibus observavi. 



Chilon granulalus Gmclin certissime, ut monet Chemnitz, 

 nil nisi Status junior Ch. picei, valvis nullomodo erosis vel 

 denudatis. Cl. Reeve verum 67?. piceum Gmelini in specie 



