95 



T. ventricosa, pyramidal!, laevi, fere imperforate ; anfrac- 

 tibus paucis, rapide crescentibus ; varicibus sub-numerosis, 

 irregularibus, inequalibus, extantibus ; aperture magna, labio 

 interno sub-expanso, antice sub-quadrato ; colore pallidis- 

 sime rufo. 



This species is also rather ventricose, but the varices are 

 laminar, and stand out in relief from the shell. The only 

 known specimen is in the possession of Mr. G. Sowerby, 

 Sen. From ? 



47. Sc. friabilis. ( pi. xxxiii. f. 74-) Sow. Jun. Zool. 

 Proc. 1844. 



T. pyramidali, acuminata, tenui, imperforate ; varicibus 

 tenuissimis, valde numerosis, laminatis, extantibus, prope 

 suturam acute angulatis ; apertura magna, labio interno sub- 

 incassato ; colore albo. 



A thin pyramidal species with extremely numerous, thin, 

 laminar, varice 8, which project in an acute angle close to the 

 suture. In Mr. Cuming's collection. Brought from Swan 

 River, by Lieut. Collie, R.N. 



48. Sc. in distinct A. (pi. xxxv. f. 141.) Sow. Jun. 

 Zool. Proc. 1842. 



T. elongate, imperforate, minute spiraliter striata ; 

 anfractibus numerosis, gradatim crescentibus, sutura dis- 

 tincta ; varicibus numerosis, ineequalibus, rotundatis, decum- 

 bentibus, simplicibus ; apertura parva, labio interno, antice 

 sub-incrassato ; colore, albo. 



In Mr. Cuming's collection. Brought from St. Bias, Gulf 

 of California, by the Hon. Mr. Harris. 



49. Sc. sulcata, (pi. xxxv. f. hi.) Sow. Jun. Zool. 

 Proc. 1844. 



T. elongata,acuminata, imperforate, minute spiraliter striata ; 

 anfractibus numcerosis, gradatim crescentibus; sutura dis- 

 tincte ; varicibus numerosis, tenuis, prope suturam angulatis ; 

 aperture ovali, labio interno vix incrassato ; colore albo. 



A beautifully pointed, elongated shell, finely striated in a 

 spiral direction, with numerous slightly prominent varices, 

 which are angular near the suture. Brought from Catanuan, 

 Isl. Luzon, Philippines, by Mr. Cuming. 



50. Sc. novangli^e. (pi. xxxv. f. 112.) Couthoy, Boston 

 Jour. Sc. 2, No. 1, PI. 3, f. 5. 



T. pyramidali, acuminate, fere imperforate, spiraliter striata 



