450 



38. Cancellaria LiTTORiNiEFORMis (pi. xcii. f. 5, G, 9), Sow- 

 erhy, Conch. Illustr. f. 14. 



C. testa rotundata, minute granulatim decussata ; spira obtusa ; 

 sutura nonnunquam sub -sulcata ; apertura interne costata, colu- 

 mella triplicata, umbilicata : colore lusco. 



A short species resembling a common Periwinkle. Minute 

 lines crossing each other on the surface produce a fine granulation. 

 In some varieties the spire is more produced and the whole are 

 slightly depressed at the suture. 



From Ceylon. 



39. Cancellaeia Verrauxii (pi. xciii. f. 28), Kiener, pi. viii. 

 f. 3.p. 17. 



C. testa ovali, costis rugosis longitudinalibus, et lineis elevatis 

 spiralibus cancellata : spira acuminata, anfractibus angulatis ; 

 apertura interne striata, columella triplicata umbihcata, colore 

 fusco rufescente. 



The spire more produced than in C. Uttonnceformis, with the 

 surface cancellated ; of a light brown-colour. 



Locality unknown. 



40. Cancellaeia cancellata (pi. xciv. f. 51. Lam. E. M. f. 4) . 



C. testa ventricosa, costis longitudinalibus distantibus nodu- 

 liferis et costis transversis undulatis acutiuscuhs cancellata; an- 

 fractibus rotundato-angulatis ; apertura postice et antice canaHcu- 

 lata, interne costata ; columella crassa, antice rugosa, triplicata ; 

 umbilico magno : colore per fascias duas fuscas spirales disposito ; 

 apertura alba. 



A ventricose shell, cancellated by spiral rather angulated ribs, 

 crossing and forming nodules upon distant longitudinal ones. 

 The umbilicus is large. 



Found in the Eiver Gambia, and at Malaga in Spain, 



41. Cancellaeia similis (pi. xciv. f. 42), Sowerhy, Conch. 

 Illustr. no. 9. 



C. testa ventricosa, costis longitudinalibus flexuosis, distantibus, 

 et costis transversis acutis numerosis, sub-alternatis . cancellata ; 

 apertura postice et antice canaHculata, interne costulata, umbilico 

 magno ; colore griseo, et albo fusco fasciato. 



Like C. cancellata, but shorter, with the spiral ribs very much 

 more numerous and having in some parts an interstitial rib. 



From Senegal. 



