314 



PYRAMIDELLA. 



P. CASTA, A. Ad. PL 74, fig. 45. 



White, thin, semipellucid ; whorls rather convex, spirally 

 rather closely grooved, interstices beautifully striated ; c>jlumella 

 oblique, somewhat tortuous. Length, 11 mill. 



China Sea. 

 P. SPECIOSA, A. Ad. PI. 74, fig. 46. 



White, thin, semipellucid; whorls 8, rather convex, with 

 elevated spiral ridges, the interstices longitudinally striated ; 

 columella nearly straight, with an oblique faint plication. 



Length, 9 mill. 



Philippines. 

 P. STYLINA, A. Ad. PI. 74, fig. 47. 



White, subpellucid, middle whorls somewhat enlarged, a little 

 flattened, thinly spirally striated, substriated longitudinally. 



Length, 8'5 mill. 



Philippines. 

 P. SUTURALIS, A. Ad. PI. 74, fig. 48. 



Subumbilicated, white, shining, subdiaphanous ; whorls 7, 

 flattened, suture channeled, spirally sulcate, last whorl subsolute, 

 with w r hite articulated bands ; columellar plication evanescent. 



Length, 8 mill. 



Philippines. 



P. CONCINNA, A. Ad. PL 74, fig. 50. v 



Grayish white; whorls 6, rather flattened, spirally grooved, 

 interstices microscopically crenulated ; columellar plait oblique, 

 somewhat obsolete, lip lirate within. Length, 9 mill. * 



Moreton Bay, Australia. 

 P. PURA, A. Ad. PL 74, fig. 49. 



Rather solid, white ; whorls somewhat convex, spirally grooved, 

 intermediate line smooth, grooves longitudinally striated. 



Length, 9 mill. 



New Zealand. 

 P. PUNCTURATA, E. A. Smith. PL 78, fig. 52 a. 



Subpellucid, brownish white ; whorls 4, spirally punctatc- 

 sulcate ; columella obliquely twisted. Length, 5 mill. 



Whydah, W. Africa. 



Unjlgured Species. 



P. EXIMIUM, Lischke (figure inaccessible to me). Japan. 



P. CLATHRATULA, Morch. St. Thomas, W. I. 



