744 



declivi, antice subacuminato ; lunula lata, circumscripta ; umbo- 

 nibus inflatis, roseis. 



Distinguishable from C. infiata (nobis) only in having an im- 

 pressed line circumscribing the lunule, and being a little more 

 pointed anteriorly. 



Panama. C. B. Adams. 



Sp. 120. C. iridescens (pi. clxiii. f. 211), Sowerby,jun. 



Cyth. testa parva, rotundata, iridescente-alba, concentrice versus 

 marginem ventralem minute elevatim striata; margine dorsali de- 

 clivi ; lunula magna, circumscripta, cardine dente antico magno. 



A small, white, rounded shell, with an iridescent white surface, 

 striated concentrically near the ventral margin. 



Genus CIRCE, from page 650, pi. cxxxix. 



Sp. 5. C. dispar (pi. cxxxvii. f. 10, 11 ; var. pi. clxiii. f. 53, 

 54). Two beautiful varieties recently received by Mr. Cuming. 



Sp. 15. C. minima (pi. cxxviii. f. 18-21; var. pi. clxiii. 

 f. 55, 56, 57, 58). Varieties from Puerto Santo. M' Andrew. 



Genus TAPES, from page 699, pi. cli. 



Sp. 8. T. sulcosa (pi. cxlv. f. 14; var. pi. clxiii. f. 158). 

 A variety in Mr. Gaskoin's collection, more ventricose in the 

 centre, and more smooth near the umboes. 



Sp. 10. T. textile (pi. cxlvi. f. 26-28). One or two spe- 

 cimens exist in Mr. Gaskoin's collection, resembling the variety 

 f. 28, but having a few sulci similar to those in T. rimosa. Is 

 this a new species ? 



Sp. 62. T. Dombeyi (pi. cl. f. 118; var. pi. clxiii. f. ). 

 If a variety, a very remarkable one, still not sufficiently denned in 

 character to describe as a species. 



Sp. 73. T. expallescens (pi. clxiii. f. 161, 162), Philippi, 

 Abbild. t. 3. f. 5. 



Tap. " testa ovato-oblonga, subelliptica, compressa, albida, ad 

 apicem violascente, opaca, transversim irregulariter striata; area 

 omnino nulla ; lunula cordata, linea impressa cincta, parum dis- 

 tincta ; margine integerrimo." 



A small, white, compressed, smooth shell, from Chili. 



