STOMATIA. 31 



whorl, several nodose spiral riblets and threads below it, strongly 

 plicate or puckered below the sutures. Aperture irregular-qval, 

 nacreous inside. 



Alt. 28 mill. ; of aperture, alt. 22, breadth 14 mill. 



Philippines ; Viti Is. ; Japan. 



Stomatia phymotis HELBLING, Beitrage zur Kenntniss neuer und 

 seltener Conchylien, in Abhandlungen einer Privat-gesellschaft in 

 Bohmen zur Aufnahme der Mathematik, der Vaterlandischen 

 Geschichte und der Naturgeschichte, iv, Prague, 1779, p. 124. 

 VON MARTENS in Mai. Blatter, xvi, p. 236. A. ADAMS, in Thes. 

 Conch, ii, p. 841, t. 175, f. 48-52. SOWB. in Conch. Icon., f. 2. 

 LAM., An. s. Vert., vi, p. 211. DUNKER, Ind. Moll. Mar. Jap., p. 

 146. Stomax fur oncu lus MONTF., Conch. Syst. ii, p. 111. 



S. australis AD., P. Z. S. 1850, p. 34. Sowb., Conch. Icon., f. 1.- 

 JS. obscura " Lam. " Sows., Conch. Icon., f. 3. S. obscurata LAM., 

 An. s. Vert, vi, p. 212. DELESSERT, Rec. de Coq., t. 33, f. 5. 



The largest, most strongly tubercled species. There is consider- 

 able variation in both form and color. Figs. 21, 22, of pi. 54, rep- 

 resent the form called S. obscura " Lam. " by Sowerby and others. 

 It is probably S. obscurata Lam. 



Var. AUSTRALIS A. Adams. PL 54, figs. 1-3, 34. 



Smaller than the type, shorter, with shorter, less scalar spire; 

 surface with sharp, unequal spiral threads, tubercled and plicate as 

 in S. phymotis, or sometimes nearly smooth except for the fine spirals. 

 Color greenish-yellow, pale red, or variegated. 



Alt. 20 mill. ; aperture, alt. 15, breadth 11 mill. 



S. DUPLICATA Sowerby. PI. 54, figs. 4, 5, 8, 9, 10. 



Shell depressed-globose, with conical spire ; longitudinally striped 

 with purplish or red and white. Rather solid ; surface with numer- 

 ous fine, unequal spiral threads above, two strong nodose keels at 

 periphery, and about 7 subequal line on the base, their interstices 

 spirally striate ; spire prominent ; whorls 3, bicarinate, the last not- 

 ably so, concave above the carina. plicate below the sutures ; aper- 

 ture rounded, oblique ; columella concave, thin ; umbilical tract a 

 little grooved, white. x 



Alt. 14, diam. 14 mill. ; alt. 10, diam. 10 mill. 



Philippines. 



