GASTEHOPODA. 25 



CYPRJEA. * 



Shell ovate, smooth ; inner lip with a fold in front. 

 Warm seas. 



* 89. C. arabica, Linnaeus ; variety Maculata, Barnes. Ovato- 

 ventricose, white or bluish white, with irregular brown spots ; lips flat, 

 reddish gray ; teeth pale chestnut. Length, 2 '5 inches. 



India. Polynesia. 



* 90. C. caput-serpentis, Linnaeus. Ovate, gibbous ; brown 

 spotted with white, lips white, margins dark brown, interior violet. 

 Young ash-coloured, with a dark central band. Length, T5 inches. 



India. Mauritius. South Africa. Australia. Polynesia. 



* 91. C. tGSSGllata, Desliayes, Anlm. sans vert., ~s..,p. 553. Shell 

 very thick and solid, somewhat squarely ovate ; sides thickened, back 

 a little accurninated ; extremities blunt, the anterior furnished with a 

 somewhat obscure callosity ; aperture narrow, teeth small, slender ; 

 back ferruginous ash colour, three banded, bands very broad, sides 

 tesselated with square brown and white spots, the two upper spots on 

 both sides very dark bright chestnut ; callosity white ; base tesselately 

 variegated with brown and white ; teeth orange brown. (Reeve.} 



92. C. plinctata, Linnaeus; G. stercus-muscariim, Lanark, ~s..,p. 

 530 ; C. punctalata, Sowerby. Shell ovato-obloug, small, thin, polished, 

 spire mamillate ; inner lip sparingly toothed, smooth in the middle. 

 White. Length, '55 ; breadth, '37. 



The typical form inhabits the Philippines, and is sparingly spotted 

 with red. 



TRIVIA. 



Shell ovate, transversely ribbed, no distinct fold on the inner lip. 

 Widely spread. 



93. T. australis, Lamark, I.e., x.,p. 545. Transverse stria? inter- 

 rupted by an impressed median line ; spire visible. White, with one 

 or two flesh-coloured spots on the back, and the two extremities of 

 the same colour. Length, '4 ; breadth, '32. 

 Hauraki G-ulf in various places. 



94. T. COCCinella, Lamark, I.e., x., p. 544. Transverse striae 

 deep, not interrupted on the back ; spire hidden. Above pale pink 

 with a few obscure spots of brown, below white. Length, '4 ; 

 breadth, '25. 



Bay of Islands. 



FAMILY CANCELLARID.^. 



Shell oval, spire generally short ; mouth oval, often angular ; colu- 

 mella plicated ; tentacles long, united at their base ; rostrum short. 



CANCELLARIA. 



Aperture sub-canaliculate, and channelled in front, colurnc'.ia with 

 several oblique folds. Shell cancellated. 

 Warm and tropical seas. 

 4 



