GASTEROPODA I'KCTINIRRANCIIIATA. / . 



Tin- f'/iruiu/f/'. in which tin- emargination is wide and reaches 

 to the spin-, ;uv al.M> properly dUtinpu 



When the >|iire is hut slightly marked, flattened or rounded, and 

 the eolumella is without plic;i>, they are tin- Pi/rula* Lam. Some arc 

 umhilieated*, and others notf. 



From these Pynihv, Mi.ntt'ort a^ain separates the species with a 

 flattened spin-, internally Mriated near tin- lip, hy tlie name of Ful- 

 ' . Tlu-y are a sort of Tyruhv with a plicate(l colmnclla, the 

 plic;i> being sometimes almost insensible. 



Among these divisions of tl t' Bru<rirre*. the / 



.<. are distinguished hy some oldi(pie and well marked plieie on 

 the eolum'-lla, near the origin of the .siphon' 1 . The 



TURBINELLA, Lam., 



Also consists of shells with a straight canal, but without varices, dis- 

 tinguishable hy the largo transverse plica; on their columella, which 

 extend the whole length of the aperture, and which closely approxi- 

 mate them to the conical Volut;i>; they only differ from the latter in 

 the elongation of their aperture into a sort of canal ||; the line that 

 separate:, them is not easily traced. The genus 



STROMBUS, Lin. 



In- hides those shells with a canal th.it is either straight or inflected 

 towards the right, of which the external margin of the aperture di- 

 lates with age, but still preserves a sinus near the canal, under which 



the h ad of the animal, when it extends itself. 

 In most >f them the sinus is at some distance from the canal. They 

 are subdivided by M. de Lamarck into two subgcnera. The 



STROMBUS, Lam. 

 In which the margin expands into a wing of more or less extent, 



the immense number of fossil if ribed by Lamarck and other conchy- 



Martini, III, Ixviii, 750, 753; Buccimti* bezoar, Gm., Martini, III, 

 K\iii, 754, 755. 



List., 750, 4fi; Murcxficiu, Ib., 741. 



7, 27; Mt'r. C//-IW/IH.S-, List., 908, 28; Afwr. c<i- 



M.utihi. MI. l\vi, 738, 740, and Ixvii, 742, 3; 3/r. spiriting, Martini, 

 III. ( \\. 1069; Pirulu canaliculafa, Lam., Montf., 502, which appears to me the 

 same as the A/r. carter, Martini, III, ! 



Mur. tuliint. i >10, 911 ; Mur trapezium, List., 93, 2R ; Mur polygo- 



ns, List., 922, 15; Mur. iafumHhvluin, List., 921, 14; .1/ur. striatnhis, Martini, 

 Mur. rcrsiriilur, Ib., 1348; Mur. /*r,/.i/i.s Id. c.xlix. 

 1384; Mur. coslalus, KmOTT., IVuii., C, n. 7; Mur. lancea, Martini, IV, cxlv, 



|| Mur. scolymus, Martini, IV, cxlii, 1325^ / 'vlutu pyrum, Martini, III, xcv, 916, 

 f'oluta crrumici -I'oivtu rhinoceros, Cheinn. X, 150, f. 1407, 



Wa turbindlus, ' 20 ; //. cairitellum, Lbt., 810, U>; / ol. 



*. C'hcinn., XI. |>8, !.. 1 7 1 ;: /<..'. /;/,',.. Cm. 



