avricvlidm. 63 



/3. Imperfect form, with the labrum not expanded. 



Humph. Amboin. p. 91. t. 27. f. 1. 



Gualt. Test. t. 4. f. S. 



Knorr, Vergnug. vi. 1. 19. f. 2, 3. 



Helix scaraWis, Chemn, Conch, ix. t. 136. f. 1249, 1250, 1253. 



Wood, Ind, pi. 32. f. 1. 

 Scarabus imbrium, Blainv. in Diet. Sc. Nat. PI. Moll. 54. f. 5. 



Fust. Auric, p. 8. t. 1. f. 1, 2, 5. 



Guer. Icon. Moll. p. 17. pi. 7. f. 6. 

 Polydonta imbrium, Beck, Ind. p. 102. n. 7. 

 Hab. Moluccas, New Ireland, and New Hebrides. 



11. PYTHIA VEREEANiEI. 



Sbell imperforate, elliptically ovate, solid, nearly smooth, 

 marked with deep arched striae near the suture ; spire conoidal, 

 rather pointed, blackish ; varices blunt, with a whitish streak 

 behind the margin, which is black ; whorls ten, flat, the last 

 forming about three-fifths of the total length, rather descending 

 anteriorly, blackish chestnut-coloured above and anteriorly, 

 fulvous with brown spots on the remaining parts ; aperture per- 

 pendicular, narrow ; parietal teeth two, greyish white, the upper 

 triangular, slightly divided, the other entering obliquely, slightly 

 duplicate externally ; columellar plait broad, quadrangular, 

 ascending obliquely ; peristome blackish, with the margin pale, 

 slightly reflexed ; right margin rather rectilinear, furnished 

 within with a thick callus bearing five to six unequal teeth ; 

 columellar margin thick, dilated, quite adnate. Length 30, 

 greatest breadth 17, least breadth 13| mill. 



Pythia Verreanaei, Tfr. in Malah. Bl. iii. 1856, p. 173. 

 Hab. ? 



12. Pythia hepatica. 



Shell imperforate, ovate-conic, rather solid, smooth, very 

 slightly striated near the suture, violaceous or brownish ; spire 

 conoidal, rather pointed ; varices blunt, marked with an oblique 

 white streak ; whorls eight, flat, the last widely descending, 

 scarcely longer than the spire, slightly attenuated at base ; 

 aperture large, perpendicular, livid flesh-coloured within, as 

 also the teeth ; parietal teeth two, the upper flexuous and 

 divided, the other compressed, slightly descending ; columellar 

 plait tongue-shaped, ascending obliquely; peristome dirty 

 orange-coloured, thickened, with the margins united by a thick, 

 shining callus; right margin sinuated above, furnished within 

 with a broad callus bearing three unequal teeth; columellar 



