io 4 O F F S S I L S H E L L S, &c. 



Next of the Bivalves. 



i. A fingle valve of the little roundifh fmooth cochlea (I). In 

 the fame (tone with the pale red turbinites (terebra), No. 10. and 

 of the fame colour. 



Single valves of fmall fmooth cochlea, of a dark cinereous co- 

 lour, are frequent in ilone with the great itellar coralloid, and 

 and other bodies, on the mores of our alpine brooks. There are 

 fomeof them in the fame ftone with the white turbinites (terebra) 

 No. ii. I have alfo a group of them in a ftone from Allen- 

 Heads. 



^ a. The fmooth wry-beaked cochlea, of the middle lize, and 

 roundifh (m). From the more of the brook below Tecket. 



3. A fingle valve of the longer-bodied cochlea, with longitudi- 

 nal Jiri< as fine as hairs. 



4. A fingle valve of the cochlea with longitudinal and tranfverfe 

 Jlri- (n). Both thefe in a fmall ftone from the more of the brook 



below Simonburn-czftle. 



5. A fingle Valve of the fhorter-bodied cochlea, with fine longitu- 

 dinal and deep tranfverfe Jlri<e (o). In the fame ilone with the 

 needle-fhell, No. 9. and of the fame colour. 



6. The cochlea with eminent and deprefTed ridges and furrows ; 

 the middle part moil elevated and extended, and the ridges moil 



(I) Morton's Northamptonfliire, p. 206. tab. 5. fig. 13. 

 f (m) p. 207. tab. 6. fig. 2. 



(n) Area (deleta) fuborbiculata, dccuflatim ftriata, coftis longltudinalibus remotioribus 

 acutioribus, raargine plicato. Fofl". Hanton. p. 39. pi. 7. fig. 97. 



(a) Rumph. Conchyl. Morton's Northamptonfliire, p. 206. tab. 5. fig. 10. 



acute. 



