514 Mr. Gray's Monograph on the CT/prmdce. 



Icon. List. Conch, t. 710. f. 62 ! (1). Sowerbi/, Genera, f. 5 ! 



Inhabits South coast of Mexico, Humboldt and Bompland. 

 Coast of China, Humphreys. 



Shell ovate, grey lead-coloured, with fine transverse white 

 lines; back convex, obscurely longitudinally ribbed, ornamented 

 with yellow semi-globose tubercles, which are situated on the 

 obscure ribs, and surrounded with a chesnut-brown ring ; the 

 largest tubercles are generally placed near the central impressed 

 dorsal line, and those near the margin often become confluent 

 with the edge of the basal ribs ; the base ovate, slightly margined 

 and expanded, reddish-brown with distinct white, dark-brown 

 margined ribs ; aperture linear, slightly dilated in front ; teeth 

 distinct, distant, white ; columella smooth, front part rather con- 

 cave. Axis 1^, diameter | of an inch. 



86. CyprcBa Madagascariensis. — The Madagascar Cowry. 

 Testa ovato-oblonga depressa, albida ; tubercnlis rotur.datis ; 

 costis subanastamosis, coaduuatis exasperatis ; linea dorsali im- 

 pressa; basi convexa, costata; extremitatibus rotundatis depressis. 

 Cypraea n. 45. Schroeler. Einl. j. 146. (1) 

 Cyprasa Madagascariensis. Gmelin 3429. (1). Dillwi/n, R.S. 

 468. 



Cypraea Nucleus, Var. Lamarck. Ann. Mus. xvi. 101. ! Hist. 

 vii.400. ! 



Icon. Lister. Conch, t. 710. f. 61. ! (1) Petiver^s Gaz. t. 80. 

 f. 7. Sow. Gen. f. 6. ! 



Inhabits Pacific Ocean. Madagascar, List. Otaheite, La- 

 marck, 



Shell ovate-obloDg, depressed, bluish-white, ornamented with 

 numerous unequally-sized roundish tubercles attached to anasta- 

 mosing variously-sized yellowish ribs ; the dorsal line distinct, 

 impressed; the extremities depressed, rounded ; the base convex, 

 closely ribbed with yellow-edged white ribs; the aperture narrow, 

 linear; teeth close, columella plaited, front part rather concave, 

 inside violet. Axis i§, diameter -j.^^ of an inch. 



I am indebted to the kindness of Mr. Edward Crouch for the 

 loan of a most beautiful and perfect specimen of this shell, from 



