1 66 Mr. William Wood's Obfervatlom on the 



/. l^. Jig' 3. Liji. Conch, t, 2,^6, f. li^j. — An, Ang. 

 f' 5* f' 35- Borlafe Cornw. p, 278. /. 28. f, 25. 

 C/jemfi, Conch. 6. /. 26. / 253, 254. 



Tab. XVI. Fig. 13—16. 

 Hinge with a thick furrowed tooth in one vah-e, re- 

 ceived between two others in the oppofite. A Tin- 

 gle marginal tooth in each valve, at a little diftance 

 from the beak. 



VENUS. 



ijlandka. JJnn, Syji. Nat, ed, Gmel. I. /. 3271. Penn. Br, Zoo!, 



No. 47. /. S3' f' 47' ^^ ^^' Br, Conch, p. 183. 

 /. 14.7^ 5. LiJI, Conch, /. 272. y. 108. — An, Ang. 

 t, 4. /. 22. Gault. 'feft, t. ^S*f' ^' Chemn, Conch. 6. 



Tab. XVII. Fig. i, 2. 

 There is a thick upright tooth under the beak in one 



valve of this Ihell, which locks between two others 



in the oppofite valve. 

 For the other teeth with which this fliell is provided, 



fee the Explanation of the Plates. 



Chione. Linn. SyJl. Nat. ed. Gmel. i. /. 3272, Da Cojl, Br, 



Conch, p. 184, /. 14. /. 7. Gault. t. 86. f. A. 



Tab. XVII. Fig. 3, 4. 



A ftrong thick tooth is feated in each valve, diredly 

 ■under the cordiform depreffion of the ihell; another 

 elofe to the beak, and a third diverging from it, which 

 laft IS thin, and in one valve grooved. 



9 vcrrucofa. 



