MODIOLA.— Plate VII. 



A shining, horny shell, the surface being elegantly 

 clouded with brown and fulvous intermixed with irides- 

 cent green. 



Species 38. (Mus. Cuming.) 



MopiOLA EECTA. Mod. testd elongatd, medio oblique gib- 

 boso-angnlatd, latere postico peculiariter compresse 

 producto, antico subalaformi ; albidd, epidermide cor- 

 ned fulvd nitente, antice sparsim pilosd indutd, poitice 

 late fusco-fasciatd. 



The straight Modiola. Shell elongated, obliquely 



gibbously angled in the middle, posterior side pecu- 

 liarly compressly produced, anterior somewhat wing- 

 shaped ; whitish, covered with a shining horny epi- 

 dermis, fulvous and sparsely hairy anteriorly, broadly 

 brown-banded posteriorly. 



CoNEAD, Journ. Acad. Nat. Sci. Philadelphia, vol. vii. p. 

 245. pi. 19. f. 1. 



Hab. ? 



Distinguished by a strict peculiarity of form, the poste- 

 rior side being curiously compressly produced, whilst the 

 anterior side is wing-shaped, like some of the Avicula. 



