164 CANTIIARUS. 



I am not acquainted with this species. It was described as a 

 Miwex, but the want of varices and of an internally thicliened 

 lip-margin determines me to place it here. 



C. TissoTi, Petit. PL 74, figs. 291, 292. 



A very doubtful species, described as a Purprti^a, fi'om Bom- 

 ba}' ; I find no record of its identification b}^ Indian conchologists, 

 however. The two figures at first sight appear to represent dif- 

 ferent species, one of them resembling a 3'oung Ricinida ; liut I 

 have before me West Indian specimens referred to the species 

 by Robert Swift, which are intermediate in character between the 

 two. Is it a variety of C. Coromandelianus ? 



C. SANGuiNOLENTus, Duclos. PI. T4, figs. 293-295. 



Variegated with clouds of chocolate, chestnut and yellowish, 

 under a thin olive epidermis ; aperture white within ; margin of 

 lip and columella blood-red, the latter covered with Avhite 

 tubercles. Length, 1 inch. 



Panama (under stones at low water) to Mazatlan. 



G. hsemastoma, Gray (fig. 294), and C. Janclii, Val. (fig. 295), 

 are synonyms. 



C. ELEGANS, Gray. PI. 74, figs. 29(i, 297. 



Chestnut-bi'own, variegated with white, especially on the no- 

 dules. Epidermis short, fibrous, olive-brown. 

 Length, 1*75 to 2 inches. 



St. Elena, W. Colnmhui. (in clefts of rocks at low water) ; 



Panama ; Mazathm. 

 This species is more generally known as G. inrngnia, Reeve 

 (fig. 297), but Gray's name and figure were published twelve 

 years earlier. 



C. Inca, d'Orb. PI. 74, fig. 301. 



Greenish brown ; reddish brown within the aperture. 



Length, 20 mill. 



C'allao, Peru ; at 8 or 10 metres. 



The figure is a cop3^ of that given by d'Orbigny and is nearly 

 one-half larger than the dimensions given in his text (and above) : 

 it is proliably inaccurately drawn as it represents an internally 

 thickened and dentate lip margin, whilst the description only 

 mentions a sulcated lip. Is it possibly identical with the last 

 species ? 



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