[ 137 ] 



folded, or jagged ; the Columella is fomc- 

 times rough, at others fmooth : Under 

 this Title are to be feen Wing Shells, the 

 Mufic Shell, the ribbed Mufick Shell, 

 the brown Murex with many Spines, the 

 Turban, the Helmet, a Variety of yellow 

 Shells, and many Spider Shells : The Fifh 

 that inhabits the Murex, furniflied the 

 ancient Greeks and Romans with that cu- 

 rious Dye, which was in fuch high Efti- 

 mation among them. We muft now con- 

 dud the Reader to the other Table, 

 which contains the Remainder of the 

 Shells. 



PurpuriS, This Kind of Shell is jagged, 

 and befet all over with Tubercles, Spines, 

 Umbo's or Striae •, the Mouth or Aper- 

 ture is fmall, and approaching to a cir- 

 cular Figure the Tail is fhort, and the 

 Bafe ufually runs out into a long Beak : 

 This is a very beautiful Species. Among 

 the Specimens are the Woodcock Shell, 

 the thorny or prickly Woodcock, the 

 Endive Shell, the Caltrop Shell, and 



