455 



From the Gulf of Magdalena, California. Seven fathoms, 

 sandy mud. 



54. Cancellaria textilis (pi. xciii. f. 34), Kiener, Sp. Coq. 

 viv. Gen. Cancellaria. p. 10. pi. vii. f. 1. 



C. testa turrita, oblique ovali, costis tuberculatis subdistan- 

 tibus; spira producta; anfractibus angulatis, ad suturam exca- 

 vatis : apertura postice canalifera et uniplicata, interne costata ; 

 columella triplicata ; umbilico parvo : colore fusco, tuberculis 

 costarum albis. 



More oblique and with fewer ribs than C. scalata. The colour 

 is dark brown, with the tubercles of the ribs white. 



From the Molluccas. 



55. Cancellaria scalata (pi. xciii. f. 26), Sowerby, Conch. 

 Illustr. f. 27. 



C. testa turrita ; costis numerosis, noduliferis ; spira producta ; 

 anfractibus angulatis, ad suturam excavatis ; apertura postice 

 canalifera et uniplicata, interne costata; columella triplicata; 

 umbilico parvo ; colore fulvo, apertura alba. 



The ribs are more distinctly tuberculated than in C. articnlaris, 

 and the umbilicus is much smaller. The colour is pale fawn, 

 varying to pink in the upper whorls. 



Collected by Dr. Sibbald on the sands at Ceylon. 



56. Cancellaria contabulata (pi. xciii. f. 19, 23), Sowerby, 

 Conch. Illustr. f. 28. C. pusilla, Sowerby, Conch. Illustr. f. 34. 

 inclusa. 



C. testa turrita ventricosa, costis numerosis, noduliferis, spira 

 breviuscula, anfractibus contabulatis ; apertura magna, postice 

 angulata, interne costata ; umbilico mediocri columella triplicata; 

 colore pallide straminea, apertura alba. 



Like C. textis and C. scalata in general characters, but tlie 

 upper part of the whorls presenting a broad, flat surface. Of a 

 pale straw colour, with the aperture wliite and undefined, orange 

 spots on the angle of the whorls. C. pusilla, figured in Conch. 

 Illustr., is but a young specimen of tliis. 



Collected by Dr. Sibbald on the sands at Ceylon. 



57. Cancellaria foveolata (pi. xciii. f, 30, ^1), Sowerby, 

 Junr., Pro. Zool. Soc. 1848. 



C. testa oblongo-ovali, turrita, laevigata ; obsolete costata ; 



