294 ANOMIA. 



Anomia Caput-serpentis. Linnaus Syst. Nat. p. 1153. 

 Born Mus. p. 119. t. 6. f. 13. Chemnitz, viii. p. 103. 

 v t. 78. f. 7 12. ? and xi. p. 248. t. 203. f. 2013 and 2014. 

 Schroeter Einl. iii. p. 399. Gmelin, p. 3344. Poll 

 Test. ii. p. 192. t. 30. f. 15. y. 

 Terebratula pubescens. Midler Zool. Dan. Prod. p. 249- 

 Terebratula. Enc. Meth. t. 241. f. 2. 

 Favanne, t. 41. f. A 2. 

 Inhabits the Norway Seas. Linnams. 



Shell about an inch or an inch and a quarter long, and the 

 length and breadth are nearly equal ; the form is somewhat 

 pentangular, for besides a keel in the middle, the convex per- 

 forated valve has a longitudinal ridge on each side and the 

 other valve has corresponding depressions ; the colour is 

 greyish white. 



terebratula. 23. Shell ovate, ventricose, smooth, 

 pellucid, brittle, and truncated in front, with 

 one summit perforated and inflected over the 

 other. 



Anomia Terebratula. Linn&us Syst. Nat. p. 1153. Gme- 

 lin, p. 3344. Da Costa Elements, p. 292. t. 6. f. 3. 



Anomia vitrea. Born Mus. p. 119, and Vign. at p. 116. 

 Gmelin, p. 3347. 



Terebratula vitrea. Lamarck Syst. des Anim. p. 139- 



Terebratula. Enc. Meth. t. 239- f. 1 • 



Klein Ost. t. 11. f. 74. Jrgenville App. t. 3. f. E. 

 D 'Avila, t. 20. f. C. Knorr, iv. t. 30. f. 4. Favanne, 

 t. 41. f. A 4. 

 Inhabits the coasts of Norway, hinnccus. Mediterranean. 



Humphreys. 

 Shell about sixteen lines long, and one inch broad ; dirty 



white, thin, brittle, and transparent ; A. vitrea of Born, and 



A. Terebratula of Linnaeus appear to be the same species, 



but A. vitrea of Chemnitz is different. 



cranium. 24. Shell roundish, convex, minutely 

 striated, pellucid, and brittle, with one sum- 

 mit perforated and slightly inflected over the 

 other. 



Anomia Cranium. Gmelin, p. 3347. 



Anomia obsoleta. Solander's MSS. 



Anomia, No. 11. Schroeter Einl. iii. p. 412. 



Anomia vitrea. Chemnitz, viii. p. 97. t. 78. f. 707 to 709- 



