123 



diary spiral strifc; anteriorly with six or seven additional 

 feebly granulous spiral ridges; often (?) with one broad. 

 varix on the left side: apex acute: spire with the out- 

 lines rectihnear except in the lowcr part; whorls about 

 8 (?), a httle convex, with a moderately impressed su- 

 ture; last whorl large and rather ventricose: aperture 

 subovate, rather acuminate at both extremities: labrum 

 rather sharp, much thickened a little behind the edge, 

 feebly striated within: labium with a small prominent 

 callus above: canal very short. 



Long, spiras 0,3g poll. ; long. tot. 0,5g poll. ; lat. 

 min. 0,25, lat, maj. 0,3 poll. 



Cerithimii megasoma C. B. Ad. Contr. p. 119. 

 Hab. Jamaica. 



Nota. *^ Ceritlüiim cancellatum H. C. Lea Am. Journ. of sc. O. S. 

 1841. Octob. — Decbr. XIII. Nr. 1. p. 111. t. 1. f. 8. Delaware 

 Bay (ex Am. Bibliogr.) 



*^ Ceritliiiim clavuliis H. C. Lea. 

 Cour. Am. Jonrn. of sc. and Arts. vol. 1. 1846. Mai p. 405. Tampa 

 Bay. (ex Am. Bibl.) 



** Cerithinm clathratum Mke. (Weinkauf 1. c. p. IGl.) Char- 

 lestown. = C. septemstriatiim Say? 



* Cerithium sp. äff. C. breviculo Sow. sed multo minor. Pa- 

 tria dubia. 



Planaxis Lam. 



* 292 Planaxis buccinea A. Ad. 

 „T. ovata; spira brevi, acuta, apice obtuso, rubre ; 

 anfr. planis, plicato-granulosis; nigro-fusca; cingillis an- 

 ticulatis , transversis ornata; longitudinaliter substriata, 

 transversim valde sulcata: apertura ovato-oblonga, colu- 

 mella exeavata; labro intus crenoplicato, extus incras- 

 sato, varicoso." 



Planaxis buccinea A. Ad. Proc. 1851. p. 272. 



Nr. 27. 



Planaxis buccineus Edg. Smith Annais of N. H. 

 Jan. 1872. p. 40. 



