142 



Chiton lignosus. Testa solidula, ovata, tectiformis, csesia, 

 lineolis fuscis inequalibus subradiantibus marmorata, systemate 

 duplici punctorum majorum et punctorum minorum impressa ; 

 valvis planulatis, angulatis, sine rostris ; areis lateralibus baud 

 elevatis, vix distinctis ; valva anteriori parva ; valva posteriori 

 vix umbonata : intus esruginosa. Long. 1J-, lat. |- poll. Hah. 

 Puget Sound. 



Has the form of C. setiger, and somewhat the coloring of 

 Cfulvus, Wood. It is also allied to C. tulipa, Quoy. 



Chiton quercinus. Testa depressa, ovalis, vix carlnata, quer- 

 cina, maculis olivaceis nubeculata ; valvis subrostratis ; areis late- 

 ralibus vix elevatis, longitudinaliter sulcatis, sulcis incumbentibus 

 et sulco radiante bisectis ; areis centralibus ad latera lineis ragosis 

 longitudinaliter sculptis, ad dorsum punctatis ; valva anteriori sulcis 

 concentricis et sulcis radiantibus remotioribus decussata ; valva 

 posteriori prope marginem umbonata ; margine lato, pruinoso, 

 fiavescente. Long. |-, lat. f poll. Hab. New South Wales. 



Allied to C. foveolatus., Sowerby. 



Chiton jugosus. Testa ovalis, carinata, tectiformis, nitida, 

 coloribuspallide et saturate herbeis variegata ; valvis planulatis, ad 

 apices adunco-acuminatis; areis lateralibus prominentibus,et lineo- 

 lis confertis parallelis viridibus longitudinaliter notatis ; areis cen- 

 tralibus sulcis acutis parallelis longitudinaliter aratis, sed ad ver- 

 ticem simplicibus et minutissime punctatis ; valva anteriori con- 

 centrice lineolata ; valva posteriori umbonata, prope marginem 

 concentrice lineolata, prasler aream terminalem triangularem 

 luteolam ; margine granulate, fasciis ca^ruleis et viridibus limbato : 

 intus pallide virescens. Long. 1, lat. f poll. Hah. New South 

 Wales. 



Resembles C. Siciilus, which, however, has radiating lines on 

 the lateral areas. 



Chiton fruticosus. Testa ovalis, valde elongata, transversirn 

 arcuata, omnino textiliter punctata, olivacea, maculis minutis 

 saturatioribus fulgurantibus variegata ; valvis baud rostratis ; areis 

 lateralibus prominentibus, et lineis elevatis interruptis ramosis ra- 

 diatis ; areis centralibus lineis longitudinalibus rugosis, ad latera 

 profundis, ad dorsum evanidis et arcuatis sculptis ; area posteriori 

 magna, umbonata, lineis inconspicuis, interdum divaricatis, radi- 



