AVICULA. 



Plate VII. 



Fig. 14. (Mus. Cuming.) I Fig. 16. (Mus. Cuming.) 



The shell here figured is intended to represent luwther j A variety qI A.fiahdlmn, represented at PI. V. Fig. 7, 



state of the curiously mottled species A. ala-perdick, de- j which it is necessary to give in illustration of its exquisite 



ribed at Fig. 10 in the preceding Plate. 



Species 15. (Mus. Cuming.) 



-IvicULA PR.'ETEXTA. Aeic. testd mihqtmdratd, postice 

 late siimatd, lavigald, livido-spadiced, aiaculis pallidis 

 radiatd, maculis Uneis opaco-albis corrugatis. 



The laced Avicula. Shell somewhat square, poste- 

 riorly broadly sinuatcd, smooth, livid-fawn, rayed 

 with pale blotches, blotches wrinkled with opake- 

 white lines. 



Hab. Island of Corrigidor, Philippines ; Cuming. 



Of a peculiar livid-fawu colour, rayed with pale oblong 



blotches, which are curiously wrinkled across with opake- 



white lines. 



variety of sculpture. 



Species 17. (Mus. Cuming.) 



Avicula teghlata. Avic. tedd mhqnadraid, poalice late 

 alatd, plana, tenui, suhcorned, spadiced, rufo-tinctd, 

 vel liiteo-virescente, allio radiatd, squamatd, squamis 

 tmuibus, planatis, subelonffatis, distantibus. 



The tuatched Avicdla. Shell somewhat square, pos- 

 teriorly broadly winged, flat, thin, sub-horny, fawn, 

 tinged with red or yellowish-green, rayed with white, 

 scaled, scales thin, flattened, rather elongated and 

 distant. 



Eab. Moreton Bay, Australia. 



A thin broadly winged species, scarcely sinuated, of 



rather horny substance, of a reddish or yellowish-green 



hue, faintly white-rayed, armed in the rays with rather 



distant, prolonged, thin, flattened scales. 



March, 1857 



