\< I 



edged witli diirk at (lie shoulder and another at the lower third of 

 the i>ody-whorl ; the latter or both girdles often absent. Whorl- 

 about 8, sculptured with close, fine, engraved spiral lines, punctate at 

 their bottoms, the base having coarser line with delicately latticed 

 interstices. Last whorl about three-fourths the shell's length. 

 Aperture narrow, two-thirds the shell's length; columella concave 

 below, having one stout oblique fold above. 



Alt. 19, diam. 10 mill. 



Entire Mediterranean and Adriatic Seas; Atlantic from Norway to 

 Morocco, in laminarian and coralline zones. 



Voluta tornatilis LINNE, Syst. Nat. xii, p. 1 187, (1766). HANLKY, 

 Ipsa L. Conch., p. 212. Turbo ovalis DACOSTA, Brit. Conch., p. 

 101, pi. 8, f. 2 (l77S).Bulimw tornatilu BRUG., Diet. Encyc., p. 

 338 (1789). Voluta bifasciata GMEL., Syst. Nat. xiii, p. 3436. 

 Tornatellafasciata LAM., An. s. Vert, vi, p. 220 (1822). KIENER, 

 Coq. Viv., p. 5, pi. 1, f. 3. FORBES & HA NL., Brit. Moll, iii, p. 523, 

 pi. 114, f. 3, pi. vv, f. 7. Speo tornatilis Risso, Hist. Nat. Eur. 

 Merid. iv, p. 236. Speo bifasciatits Risso, I. c. Tornatella torn- 

 ti/i* PHIL., Enum. Moll. Sicil. ii, p. 143. REEVE, Conch. Icon, xv, 

 pi. 1, f. 7. Action tornatilis MONTFORT, Conch. Syst. ii, p. 315 

 (1810). H. & A. AD., Gen. Rec. Moll, ii, p. 4, pi. 56, f. I. JEF- 

 FREYS, Brit. Conch, iv, p. 433 ; v, p. 224, pi. 95, f. 2. HIDALGO, 

 Mol. Mar. Esp., pi. 19, f. 3, 4 ; pi. 20c, f. 1. SARS, Moll. Reg. Arct. 

 Norv., p. 280, pi. 17, f. 11. BUQ., DAUTZ. & DOLLF., Moll. Rouss. 

 i, p. 510, pi. 66, f. 15-19. 



This species is the type of the genera Acteon, Tornatel/a and Speo. 

 It is a common and widely dispersed European form. The follow- 

 ing varieties and named color-mutations are recognized by the 

 authors of " Les Mollusques marins du Roussillon." 



Var. minor Monts. 



Var. subulata Searles Wood. PI. 19, fig. 14. Klongated, narrow. 

 with elevated spire. Originally described as a tsil (Crag Moll- 

 usca i, p. 170, pi. 19, f. 7), it has been found living of!' the English 

 coast. 



Yar. tenella Loven. Small, with thin, mbpdluoid shell, more 

 shining than in the type (Index .Moll. Scand., p. 11). 



Var. bullceformi* Jeffr. Small, regularly oval, with very short 

 spire (Brit. Conch, iv, p. 4o5). 



Var. al bo bifasciata Monts. Two upper bands only present. 



