A N M I A . 



Plate VI. 



Species 25. (Mus. Cuming.) 



Anomia .Malleata. Anom. testa subortnculari, timdssi- 



md, hyalino-alhd, ruyom-muUeatd, umbone subpromi- 



nente, acuta. 

 The malleated Anomia. Shell nearly orbicular, very 



thin, hyaline-white, roughly malleated, umbo rather 



prominent, sharp. 

 Hab. ? 



Of a delicate transparent texture, with a rude malleated 

 surface and sharply defined umbo. 



Species 26. (Mus. Cuming.) 

 Akomia eamosa. Anom. testa siiborldculari^ tenia. In 



tesceute, copiose rainoso-squamatd. 

 The brancued Anomia. Shell nearly orbicular, thin 



yeDowisb, copiously branch-scaled. 

 Hab. Tunis ; Fraser. 



"Distinguished by a copious gron'th of branching scales 



Species 27. (Mus. Cuming.) 



.^^■o^IIA SCABRA. Anom. testa .mborbicidari, ht/alino-al- 

 bd, circa umbonem pallide rufescetite-cened, radlatim 

 liratd, liris rudibus, irregularibus, ad marginem acutis. 



The eotjgh Anomia. Shell nearly orbicular, hyaline- 

 white, pale reddish-bronze about the umbo, radiately 

 ridged, ridges rude, irregular, sharp at the margin. 



Hab. Bombay. 



In colour this species approaches A. cytmm, from China, 

 but the shell has a sculpture natural to it, which is quite 

 distinct. 



Species 28. (Mus. Cumiug.) 



Anomia Alectus. Anom. testa subtrigono-orbiculari, 

 irregularis solidiiisould, versus umbonem acute flexu- 

 oso-costatd, deinde eoncentrice laiuinatd; valvd supe- 

 riore rufescente-ferrugiued atU pnrpitrascente, inferi- 

 ore vire-icente. 



The Alectus Anomia. Shell somewhat triangularly 

 orbicular, irregular, rather solid, sharply fle.xuously 

 ribbed towards the umbo, then concentrically lami- 

 nated ; upper valve reddish-rust or purplish, lower 

 valve greenish. 



Gray, Pro. Zool. Soc. 1849, p. 115. 



Hab. Bay of Guayaquil ; Hinds. 



The chief peculiarity of this species consists in the 



sharply flexuous ribs, which become obsolete towards tlic 



margin among the concentric lamina. 



Fig. 29. (Mus. Cuming.) 

 This shell represents the state of A. epldppimn named 

 A. cepa. 



Species 30. (Mus. Cuming.) 

 AnO-MIA FIDENAS. Anom. testd ovatd, lenui, ptanulata, 



l(cva, albidd ; valvd inferiore eoncentrice taminato-stri- 



atd. 

 The smooth Anomia. Shell ovate, thin, flat, smooth, 



whitish ; lower valve concentrically laminately striated . 

 Gray, Pro. Zool. Soc. 1849, p. 116. 

 Hab. West coast of Panama ; Cuming. 



Of very simple character, found by Mr. Cuming at the 

 above-named localitv, attached to a Tinna. 



Species 31. (Mus. Cuming.) 



Anomia ahgyritis. Anom. testa snbqimdrato-orbicuian, 

 tenuissimd, diaphand, argenteo-albd, circa umbonem 

 snbcoloratd, tindique radiatim striata. 



The silver-foam Anomia. Shell somewhat squarely 

 orbicular, very thin, diaphanous, silveiy-white, faintly 

 coloured about the umbo, everywhere radiately stri- 

 ated. 



Hab. ? 



A delicate, radiately striated, tilvery species, faintly tinged 

 with colour about the umbo. 



