WORMS. TESTACEA. 84. Patella. 



575 



Tenuifima. Shell oval, thin, ochraceous, with angular chefnut lines, 

 and elevated obtufe hollow unequal ftrize. 

 Inhabits^ — " Martini conch. I. tab. 10. f. 87. 

 Shell very thin and flat, with 10 — 12 ftrice. 



Uitrula. Shell folid, fubconic, tranfverfely plaited, with a flexuous 

 margin. 

 Lifter ', tab. 534. /. 3. Klein oftr, 8. /. 1 1, 12; 

 Martini conch. I . tab. 1 2. /g. 11,12. f / / » // & 



Inhabits Barbadoes ; of an uncertain genus and divifion. 

 &£*// narrow, white, rarely brown, more or lefs oblong* 



Plicaria. Shell ovate, toothed, with 30 elevated obtufe undulate and 

 tranfverfely wrinkled ftria?. 

 Born.Muf* Caf. Find. teft. tab. 18. /. I. 

 2. Knorr Vergn. 3. tab. 30. %. 1. 



Inhabits fhores of Magellan's ftraits ; rather rare: 



Shell with an obtufe crown, and 30 — 34 teeth on the margin, 



Pentagona. Shell whitifh, obtufely pentangular, with a dilated crenate 

 margin: crown obtufe : bottom reddifh. 

 Inhabits Born. Muf. Caf. Find. teft. t. 18./. 4, 5. 



JEma* Shell ovate, tender, pellucid, with elevated ftrise, covered 

 with a whitifh cuticle under which it is filvery with 

 ruflet rays : crown and bottom coppery. 

 Martini Nueft. Mannigf. \.p 408 . tab. I . f. 9. 

 Inhabits Magellan s ftraits: 1 J inch long. Crown polifhed. 



Gonchacea. Shell thin, oblong-ovate with very fine undulate ftriae, yel- 

 lowilh with elevated darker rays: crown recurved. 



Martini Neueft. Mannigf. I. tab. 2. f. 13, 14. 



Inhabits South America> and very much reiembles the common 

 mufTel, except the hinge : Jhell within glabrous, perlaceoui. : 

 crown brown : margin flexuous. 



Stannea, Shell ovate, filvery, with elevated flattened ftrise : crown 

 obtufe, coppery: bottom with an oval bay mark: 

 margin flexuous. 



Schrcst. Einl. in conch. 2. p y 489. n. 1 1 4. 



Inhabits above an inch long. Shell mining within. 



Candidif^ Shell fuborbicular, filiate, white with a brownifti ba nd 

 l ma * dotted with brown, within grey with unequal ftria?: 



margin tranfverfely wrinkled. 



Inhabits — U Schroet. n< Latterat, 3, p. 130. n. 254. 



Crovjn obtufe, nearly central : bottom with a cretaceous fpatu late 

 fpot. C. / Vith 



