235 



VERMICULUM M. Mont. p. 524. Nearly ovate, com- 

 pressed, marginated, white, transparent, glossy, mouth 

 but little produced. Rare, Rec.ulver, Kent. 



L. RETICULATA. Macg. Ab.p. 38. Ovate-globose 

 considerably compressed, highly glossed, smooth, pel- 

 lucid, with numerous opaque white internal reticulated 

 markings, bounding irregular areolar spaces ; internal 

 cavity simple, the cells being only parietal ; aperture 

 terminal, rather large, oval . 0,04... 0,03. Aberdeen. 



L. URXA. F.p. 235. VERMICULUM. U. Mojit. p, 

 525. t. 14. f. 1. SERPULA U. Turt. D. p. 158. 

 Glossy white, semitransparent, smooth, somewhat globu- 

 lar but sloping rather suddenly like an urn into a short 

 conic neck with a slender appendage or knob at the 

 base. 0,04. In fine sand, Sheppy Island. 



GENUL. LOBATULA. FLEMING. 

 The upper disc occupied by the last formed whorl, the 

 portions of which radiate from the centre to the 

 margin ; the whorls on the lower disc exposed. 



L. VULGARIS. F. p. 232. NAUTILUS FARCTUS. 

 Fichtel. t. 9.f. g. h. i. SERPULA L. Mont. p. 515 

 $ Sup. p. 160. NAUTILUS L D. p. 344. Adams 



