MAZATLAJT UNIVALVES 



509 



648. ANACHI9 Pfulva, Sow. 



Columbella fulva, Soio. in Proc. Zool. Soc. 1832, p. 115 -.—Thes. 



Condi, p. 138, no. 80, pi. 39, f. US.-Miill. Syn. JSov. Test. 



Viv. p. 8B.—Lain. An. s. Vert. vol. x. p. 281, no. 29.— C. B. 



Ad. Pan: Shells, p. 87, no. ^.—Mke. in Zeit.f. Mai. 1850, 



p. 184, no. 63. 



Tablet 2426 contains a minute dead shell, with two normal 

 whirls, which may belong to this species. 

 Sa5.— Panama, Cuming. — Do. 3 sp. under stones near low 



water mark ; C. B. Adams.— ^. W. Mexico, P. P. C— 



Mazatlan, Menhe.—^Do. ; 1 dead, young shell ; L'pool Col. 



649- Anachis nigeoftjsca, iu s. 



A. t. minore, conoided, marginibus spires plus minusve elevate2 

 excurvatis ; nigro-fuscd, lineis lividis, radiantihus, suhundula- 

 tis, hand conspicuis ,- anfr. noiinalibus vi. planatis, suturd 

 parum impressd ; costulis crehris radiantihus, ad hasin con- 

 tinuis, interstitiis parvis spiraliier decussatis, lineis impressis ; 

 sculpturd scepe ohsoletd ; stHis\spiralihus circa hasin conspicuis ; 

 aperturd oblong d ; labro varicoso, postice sinuato, intus vii.- 

 dentato ; labio conspicuo, sublcevi ; operculo unguiformi, apice 

 antico. 



Resembles A. maesta, nigricans, &c., and partakes of the 

 characters of Drillia. The Hght lines not corresponding with 

 the ribs gives the latter a waved appearance which does not be- 

 long to them. Only 5 fresh specimens and a dwarfed fragment 

 were found ; ia which the decussation of the interstices was 

 rarely marked. The sculpture is generally fainter on the back. 

 A long sp. measures long. '4, long. spir. "21, lat. '15, div. 40". 



A broad sp.,, „ -37, „ '17, „ '17, „ 50^ 



Hab. — Mazatlan ; extremely rare ; L'pool Col. 



Tablet 2^127 contains a broad sp. with strong sculpture ; and 

 a slender sp. with operculum, sculpture evanescent. 



650. Anachis seeeata, n. s. 



A. t. parvd, subolevatd, anfr. rotundatis ; fused, purpurea 

 maculatd ; anfr.w.nucleosis, Icevihus ; anfr. nor malihus costis 

 radiantihus parum tumentihus, plus minusve conspicuis, spira- 

 liier undulantibus ; litmlis spiralibus elevatis castas quasi obtuse 



