130 



MITRELLA. 



C. COMPTA, Lischke. Japan. 



Described from a single, juvenile specimen, and not figured. 



C. SCRIPTA, Linn. PL 49, figs. 18-21. 



Shell smooth, shining, }^ellowish white, usually marbled or 

 broadty longitudinally striped with chestnut or chocolate-color ; 

 interior of aperture often yellowish or brownish ; outer lip some- 

 what thickened, denticulated within. Length, 10-13 mill. 



Mediterranean, littoral ; fossil in European tertiaries. 



The synonymy of this species is very large, including C. 

 corniculata, Lam. (fig. 19), C. Gervillei. Payr. (fig. 20), some- 

 times considered a variety, G. Croasiana, Recluz (fig. 21), and 

 C. Brisei, Brus. z = var. coccinea, Monterosato. 



C. MARTENSI, Lischke. PI. 49, fig. 22. 



Shell turreted subulate, smooth, under a corneous epidermis ; 

 whitish with undulating lines or flames of chestnut, frequently 

 forming articulated bands at the suture, and on the middle and 

 base of the body-whorl ; lip acute, thickened and dentate within. 



Length, 20 mill. 



Japan. 



Allied in form,and frequently in coloring, to C. scripta, Linn. 



C. LUNATA, Say. PI. 49, fig. 23. 



Whorls six, nearly smooth, with usually a single revolving 

 line below the suture, and a few around the base ; suture not 

 deeply impressed ; aperture narrow, slightly angulated above, 

 and shortly channeled below ; lip simple, dentate within ; color 

 reddish brown or yellowish, with one or more series of sublimate 

 white spots on the body-whorl; occasionally uniform reddish 

 brown, or with sublimate dark markings. Length, 5 mill. 



Massachusetts to Florida. 



Animal pale whitish ; foot linear, nearly as long as the shell, 

 acute behind, truncate in front ; proboscis more than half the 

 length of the shell, obtuse at tip with a brown annnlation and 

 another at the base ; tentacula short, cylindrical, annulate with 

 blackish on the middle ; eyes black, at the base of the tentacula. 

 G. Wheatleyi, De Kay and G. Gouldiana, Agassiz,are synonyms. 



C. ZONALIS, Linsley. PI. 49, fig. 24. 



Shell small, ovate-conical, longitudinally suhstriMti 1 , fuscous. 



