312 PYRAMIBEtiLA. 



Section Mormula, A. Adams, 1863. 

 P. ACLis, A. Ad. PL U, fig. 34. 



White, shining ; whorls 8, somewhat flattened, longitudinally 

 plicate, the interstices smooth ; lip dilated, columella somewhat 

 thickened. Length, 7 mill. Philippines. 



P. ELONGATA, Pcasc. PI. 74, fig. 35. 



Longitudinall}' closely ribbed, spirally striate; whorls 14, 

 convex, with a simple varix on each whorl, suture well impressed ; 

 columella twisted below, lip widely varicose on its outer edge, 

 strongly lirate within. Length, 19 mill. 



Paumotus (Pease); Viti Is. (Garrett). 



P. GRANDis, Ads. and Reeve. PI. 74, fig. 36. 



Longitudinally costate, the last whorl smooth below, white. 

 Length, 15 mill. Eastern Seas. 



P. VARicosA, A. Ad. PI. 74, fig. 35 a. 



Light-brownish, with pale chestnut bands; whorls flattened, 

 varicose, closely longitudinally costate, crossed b}^ spiral lirffi, 

 the interstices with spiral raised lines. Length, 1 inch. 



Eastern Seas. 

 P. CoRNELLiANA, Newcomb. PL 74, fig. 37. 



Solid, white, shining, lightly longitudinally costate, and spirallj^ 

 striate ; whorls 8, rounded, the 4th and 7th with an obscure varix ; 

 lip thickened, indistinctly bilabiate. Length, 10 mill. 



Honolulu, Sandwich Is. 



Unfigured and Undetermined Species. 



P. AMBiGUA, Gould. = Rissoina. 



P. EGREGiA, A. Adams. Philippines. 



P. Macandr^a, a. Adams. Gulf of Suez. 



P. Rissoina, A. Adams. Japan. 



Section Styloptygma, A. Ad., 1860. 

 P. TYPICA, Tryon. PL 74, fig. 38. 



White, shining, subpellucid, spirally striate ; whorls flattened, 

 the last with a central sulcus, apex suddenl}^ acuminated ; colu- 

 mella posteriori}' uniplicate. Length, 8 mill. 



Ins. Bohol, Phili2^pines. 

 The name is substituted for P. stylina, A. Ad,, preoccupied. 



