150 Monograph on the Cyprceidce, by Mr. Gray. 



slightly dilated and concave in front; teeth distinct, blunt, of the 

 upper lip, very short ; columella smooth, with a large smooth im- 

 pression in front ; axis Al, diameter j-§. 



24. Cyprcea Aurora. 



Testa orbiculato-ovata, turgida, sub-globosa, aurantia, sutura 

 albido fasciata ; basi lateribusque albis ; apertura aurantia ; denti- 

 bus rubris. 



Cypraea Aurora. Soland Mss.! Portland Cat. 10. lot. 197! 

 Chemnitz xi. 34 ! Lamarck Jnn. Mus. xv. 452. Hist. vii. 382 ! 

 Dillwyn R. S. 442 ! 



Cypraea Aurantium. Martyn, U. C. ii. 59. Gmelin, 3403 ! 

 Schrieber's Conch. 115. 



Icon. Favanne, t. 30, f. S ! Chemnitz xi. t. 18, f. 1737, 1738 ! 

 Martyn ii. f. 59. 



lnhab. Otaheite, Solander. Friendly Islands, Martyn. New 

 Zealand, Chemnitz. Mus. Brit. 



Shell orbicular ovate ventricose, nearly globular, of a beautiful 

 clear orange or yelk yellow, with a white band round the suture, 

 and end of the anterior extremity ; base rounded white ; side ra- 

 ther thickened white, rounded, except at the hinder extremity, 

 where it is slightly produced ; aperture orange ; teeth red. 



This shell is considered a very great rarity without a hole in the 

 side ; this hole is formed by the natives of the Friendly Islands, 

 where it constitutes one of the ornaments worn by their chiefs. 



25. Cyprcea iessellata. 



Testa ovata, gibba, aurantiaca, ad latera tesseris albis fuscisque 

 alteruis tessellata ; basi albida, dentibus luteo fuscis. 



Cyprasa tessellata, Swainson Zool. Illus. ii. 



Icon. Swainson. 1. c. t. 111. 



Inhab. New Zealand. Mus. Dom. Mazee, Goodall. 



Shell ovate gibbous, orange yellow, extremities produced, mar- 

 gined at each side ; aperture narrow, teeth small, columella 

 smoothish, anterior part concave ; axis ii, diameter J^ of an inch. 



26. Cypraea Vitellus. 



Testa oblongo-ovata, sub-turgida, fulva, obscure trifasciata, 



