A V I C U L A. 



Species 43. (Mus. Cuming.) 



AviciL.^ PUNCTULATA. Jvic. tcstd ohUqw. ovatd, pos- 

 tice subsinuatd, corned, solidiiisculd, Itsvigatd, vivide 

 olivaceo-viridi, punctidis minutis opaco-albis radiatd. 



The dotted Avioula. Shell obliquely ovate, slightly 

 sinuated posteriorly, horuy, rather stout, smooth, 

 bright olive-gi-een, rayed with minute opake-white 

 dots. 



Hah. ? 



A rather stout horny species, of a particularly bright 

 olive-gi-een colour, rayed throughout with minute opake- 

 white dots. 



Species 43. (Tig. a, b, Mus. Cuming.) 

 AvicnLA ELECTKINA. Avic. testd oblotigd, plus minm 

 prodiictd, convexiusculd, lavigatd, vlvide rufo-auran- 

 tid, pallide radiatd, interdum punctulis opaco-albis as- 

 persd, valvd dexfrd prope umbonem plus minus nigra 

 maculatd. 

 The amber Avicula. Shell obliquely oblong, more or 

 less produced, rather convex, smooth, bright reddish- 

 orange, faintly rayed, sometimes sprinkled with 

 opake-white dots, right valve more or less blotched 

 with black near the umbo. 

 Hab. Moluccas. 



A species of characteristic oblique oblong growth, re- 

 markable for its bright reddish-orange colour. 



44. (Fig. a, b, Mus. Cuming.) 

 AvicuLA ala-corvi. Jvic. testd oblique oblonfjd, plana, 

 lingulatd, Icevigatd, irUense purpureo-nigro punctulis 

 opaco-albis interdma aspersd, sape albd prope itmbones, 

 purpureo-nigro maculaid. 



The crow's-wing Avicula. Shell obliquely oblong, 

 flat. Ungulate, smooth, deep purple-black, sometimes 

 sprinkled with opake-white dots, often white near 

 the umboes, blotched with purple-black. 

 Ala corvi, Chemnitz, Conch. Cab. vol. viii. p. 144. pi. SI. 

 f. 727. 



Avicula lingulata, Deshayes. 

 IM. Red Sea. 



An obliquely oblong depressed Ungulate form, of a cha- 

 racteristic deep purjile-black colour, sometimes sprinkled 

 with opake-white dots. 



Species 45. (Mus. Cuming.) 



Avicula smaragdina. Avic. testd elongato-oblongd, per- 

 obliqud, irregulari, convexd, lavigatd, intend smarag- 

 dina, valvd dextrd saturate maculatd. 



The emerald-green Avicula. Shell elongately ob- 

 long, very oblique, irregular, convex, smooth, dark 

 emerald-green, right valve darker-blotched. 



Hab. Moluccas? 



This singular species is of a peculiar narrow oblique 



oblong form, of a conspicuous uniform dark green colour. 



Species 46. (Mus. Cuming.) 

 Avicula Malleoides. Avic. testd perobliqtu lingulatd, 



depresso-pland, lavigatd, irregulari, virescente-albd. 

 The Malleus-like Avicula. Shell very obliquely Un- 

 gulate, depressly flattened, smooth, irregular, green- 

 ish-white. 

 Hab. Australia. 



Very like a Malleus in form and want of colour, and 

 also in being void of sculpture. 



