146 Descriptions of New Sj>ecies of Achatinella and Pupa. 



anfr. 7 piano convexis, ultimo in medio valde chordato-carinato; apertura 

 irregulariter quadrata ; columella brevi, tortuosa, uniplicata. 



Shell imperforate, dextral, trocliiform, solid, strongly striated 

 and decussated, above blackish-brown, the carina and base 

 dirty-white colored, suture creuulated ; Y whorls, flatly convex, 

 the last with a cord-like keel in the middle ; aperture irregu- 

 larly quadrate ; columella short, twisted, with one fold. 



Long, /„, hit. xV polh Aperturse long. ^%, lat. 5i poll. 



1 



Habitat. — Kauai, Ins. Sandwich. 



My cabinet, and cabinets of Hqv'. E. Johnson and Eev. JVIr. 

 EoweU. 



Remarks. — For this interesting species the scientific world 

 is indebted to the researches of the Eev. E. Johnson, of Waoli, 

 Kauai. 



It belongs to the same group as A. ohesa ISTob. and A. 

 melanosis Nob., but the size is so much greater, as to induce a 

 hope that further research will develope intermediate species. 



Fiapa fSo'ivelBii, nov. sp. 



T. perforata, oblongo-ovata, corneo-castanea, nitida, pellucida, subtiliter 

 striata ; apice obtusa ; anfr. 5 convexis ; apertura truncato-ovata, denti- 

 bus 4 instructa, 1 prominente, plicato, ad columellam, 3 in faucem 

 profunde immersis ; perist. vix reflcxo. 



Shell perforate, oblong-ovate, dark horn colored, shining, 

 translucent, finely striated ; apex obtuse ; whorls 5, convex ; 

 aperture truncately ovate, armed with 4 teeth, one prominent 

 and plicate on the columella, 3 deeply seated within the aper- 

 ture ; peristome slightly reflected. 



Long. 2, lat. 1 mill. 



Habitat. — Near Oakland, California. 



