A NO M I A. 69 



animal adheres to extraneous substances, is per- 

 haps the most general, though not an universal 

 character. 



The name uvofLla, transgression of the laic, offers 

 the best apology for the incongruities of the genus. 

 It appears to be the general receptacle of all shells 

 which cannot scientifically be referred to any other 

 family. Of the species which now constitute the 

 genus, 3 divisions have been formed, which may 

 in some degree assist their methodical arrange- 

 ment, and explain to the learner the principal 

 points in which they differ. 



The best example of the 3d section is A. Sella. 

 The animals which inhabit Anomiae are proba- 

 bly of different species, or even of distinct genera. 

 The individual whose description Linnaeus pre- 

 fixes to the genus can belong only to one division 

 of it. He says " Body of the animal ligulate, 

 emarginate, ciliate ; hairs affixed to the upper 

 valve. Arms 2, linear, longer than the body, con- 

 nivent, projected, — ciliate on both sides, hairs at- 

 tached to both valves." This specimen is figured 

 in the " Fundament a Testaceologice," Tab, III. 

 ng. 25, 



