I. 



Section ACHATINELI/A Swainson. 



(Syn. APEX Von Martens.) 



Beginning at tJic south-eastern cud of the island of Oahu. 



i. Achatinella cestus Newcomb. 



A. ir's/us Newc. P. Zool. Soc. London, i^.s.i, p. 132; pi. xxii. fig. S. 



Shell solid, ventricose, sinistral or dextral, pointed at the 

 summit; whorls 6, rounded, corded above, last one tumid ; aper- 

 ture subovate ; columella short, strongly tuberculate ; lip slightly 

 expanded, thickened within ; colour of tip black, second and third 

 whorls white, three last white, yellowish or black or mixed, with 

 a white cincture traversing the sutures and cutting the body whorl 

 below the centre, with or without a broader band below, some- 

 times with blotches or tessellations of black and white or longi- 

 tudinal undulating lines of the same colors ; columella chestnut ; lip 

 same color, interrupted with white. Long. 14/20, lat. 8/20 poll.* 



A fine shell, approaching A. similans \simtUans\ of Reeve, 

 which it resembles in form, but from which it differs strikingly 

 in its markings. — Newc. 



Hab. Palolo. — Newc. Niu and Wailupe. 

 This shell does not seem to be related to any other of this 

 section. It is only found in the eastern valleys of Oahu. 



LORATA GROUP. 

 2. Achatinella lorata Ferussac. 



Helix \Cochlogetta] lorata Per. Prodrome, 1S22, p. 60. 



Testa dextrorsa, OVato-conica, vertice acuto, nitida, striata, alba, colore 

 epidermali ; epidermide unicolore vel fasciis ornato ; anfractibus 5 1-2, aequa- 

 liter crescentibus ; suturis marginatis ; apertura ovata, alba; columella 



*(>ne pollex equals one inch. O.s) 



