NATICA.— Plate XVII. 



with a brown inten-upted band, covered with a ful- 

 vous epidermis, columella and umbilical area blackish - 

 chestnut. 



Recluz, Pro. Zool. Soc. 1843, p. 213. 



Hah. Zanzibar; Thorn. 



Distinguished chiefly from the other species of the 



group by its square and more open form and minute spire. 



Species 76. (Mus. Cuming.) 

 Natica SimI/E. Nat. testa obtecte umbilicatd, ovatd, spiril 

 brevi, anfractibw declwi-convexis, minute plicato-stri- 

 atis, sttbuitewtiius, apertvrd oblongo-ovatd, cohimelld 

 late rejlexd, wmbilicum fere tegente; cxrulescente-albd, 

 maculis undatis nifescente-castamis, bizonatim, iii- 



terdum trizonatim, chignl.atd, columella nigricante-cas- 

 taned. 

 The monkey Natica. Shell with a nearly covered um- 

 bilicus, ovate, spire short, whorls slantingly convex, 

 minutely plicately striated, rather shining, aperture 

 oblong-ovate, columella broadly reflected, nearly co- 

 vering the umbilicus ; bluish-white, encircled with 

 two, sometimes thj-ee, zones of waved reddish chest- 

 nut spots, columella blackish-chestnut. 

 Deshayes, Anim. sans vert. vol. viii. p. 552. 

 Ruma Simla, Chemnitz. 

 Eadem, Natica Simioides, Recluz. 

 Hub. Philippine Islands. 



Distinguished by its bands of waved reddish chestnut- 

 streaked spots and shining sui-face. 



