CHITON. Panama Shells. 243 



Chiton luridus Lam. An. sans Vert. in. Pt. 1. p. 182, No. 13. 



(Desh. ed. tert.) - - - -^ - 1839. 



Sowb. Concli. 111. No. 99. pars. pi. 40. f. 20. 1841. 



Reeve Conch. Icon. pi. 16. f. 85. Mar. 184"?. 



Our specimens differ from 0. luridus, as described by Sowerby 

 and by Eeeve, in having the granules of the terminal valves 

 and of the lateral areas rather sparsely scattered, insteiad of 

 being crowded. 



/Sitaitbn.-^Attached to stones at a depth of 5 fathoms ; Cum- 

 ing ! Sowerby : also Eeeve. 



Our specimens were foimd under stones at low water mark. 



HcMtat. — St. Elena ; Cuming 1 Sowerby : also Eeeve. 



St. Elena ; Jay. 



Panama ; C. B. A. I 

 3 specimens were found. 



375. Chiton pnlchellus. 



Synonymy. 



Chiton pulchellus Gray Spicil. Zool. 1828. 



Orb. Voy. Amer. Mend. Moll., p. 489. 1843. 



Reeve Conch. Icon. pi. 23. f. 153. May 1847. 



Station. — 30 or 40 fathoms depth ; Orbigny. 

 Under stones, which were lying half biiried in sand near the 

 low water mark of the neap tides. 



Habitat. — Arica, in Peru ; W. V. Hennah I Eeeve. 



Islay; Orbigny. 



Panama and Taboga ; C. B. A. I 

 80 specimens were collected. 



376. Chiton Stokesii. 



Synonymy. 

 Chiton Stokedi Brod. in Proc. Zool. Soc. Lond. p. 26. Feb. 1832. 



