60 AUEICtTLID^E. 



7. Pythia PYEAMTDATA. 



Shell slightly perforate, ovate-pyramidal, solid, smooth, 

 painted irregularly with fulvous and white; spire elongated, 

 convexly triangular, with the apex rather pointed; whorls eight, 

 scarcely convex, much descending anteriorly, the last shorter 

 than the spire, not attenuated at base ; varices bordered with a 

 pale streak, _ blunt, the last keel-shaped, prominent; aperture 

 scarcely oblique, ovate-roundish, brownish orange-coloured ; 

 parietal teeth two, the upper one tooth-shaped, triangular, the 

 other larger, compressed, entering deeply; columellar plait rather 

 quadrangular, ascending obliquely ; peristome expanded, thick- 

 ened and reflexed, with the margins joined by a shining de- 

 posit; right margin slightly arcuate, bearing three deeply placed 

 unequal teeth ; columellar margin vaulted and reflexed,' dilated, 

 rather appressed. Length 26^, greatest breadth 14 mill. 



Scarabus pyramidatus, Reeve hi Ann. $ Mag. N. H. ix. p. 221. pi. 4. 

 f. 12 (not of Kuster, nor 3foimon) ; Conch. Si/st. ii. pi. 188. 

 f. 12. » V 



A. Adams in Proc. Zool. Soc. 1850, p. 149 ; Ann. & Mag. 

 N. H. 2 ser. viii. p. 68. 

 Pythia pyramidata, Pfr. Syn. Auric, n. 78 ; Mon. Auric, p. 79. 

 H. and A. Adams, Gen. rec. Moll. ii. p. 240. 



Hab. New Ireland (Hinds) ; Salomon's Islands (Z)' Urville). 



8. Pythia impebforata. 



Shell nearly imperforate, ovate-acuminate, rather thin, nearly 

 smooth, pale yellowish, marked with light chestnut paintings ; 

 spire concavely conoidal, with the apex rather blunt, scarcely 

 compressed at both sides, and bearing white varices; suture 

 linear ; whorls nine, scarcely convex, striated near the suture, 

 the last forming about three-fifths of the total length, inflated 

 above, attenuated at base ; aperture nearly perpendicular, yel- 

 lowish within; parietal plaits two, the upper one elongate, 

 rather divided, the other very large, entering spirally, duplicate 

 externally ; columellar plait oblong, ascending obliquely ; peri- 

 stome expanded, right margin nearly straight above/ bearing 

 within five unequal teeth; columellar margin much dilated, 

 vaulted and reflexed, rather appressed. Length 23, greatest 

 breadth 15, least breadth 11^ mill. 



Scarabus imperforatus, A. Adams in Proc. Zool. Soc. 1850, p. 151; 



Ann. $ Mag. N. H. 2 ser. viii. p. 70. 

 Pythia imperforata, Pfr. Syn. Auric, n. 79 ; Mon. Auric, p. 80. 



H and A. Adams, Gen. rec. Moll. ii. p. 240. 

 Hab. Isle of Borneo {A. Adams). 



