1 ;_> ,,-HLOSTYLA-PACHYSPH/ERA. 



In //. Ocostyla, as iu Calocochlea, there exist a number of minor 

 lpe deserving individual discussion. They are as follows: 



l. PACHYSPMSRA Pilsbry. 



Small, fj/olxil'ir or globose-elevated, solid, brightly colored ; lacking 

 " X cuticle and spiral striae. Type, C. sphceriea. 



Siilrrti.n OursTiA Morch, 1852. 



Turl -mate-globose, thin, brightly colored; partly covered with 

 ns cuticle ; no spiral striae. Lip narrowly refiexed, thin ; 

 a r,Tfical, not folded, deeply entering. Type, C. monticula. 



">. COCHLODRYAS Martens, 1860. 



Globose-elevated; colors brilliant green or brown; no hydropha- 

 <>".< '-utirle; suture white-margined; surface shining, having faint 

 >piral >tri:r above. Type, C. pplychroa. 



Sul section 4. HELICOSTYLA s. str. 



'Jlobose, globose-conic or oblong; colors not vivid; hydroph- 

 cuticle sometimes present. Type C. mirabilis. 



Subsection 1. PACHYSPH.ERA Pilsbry. 



der Cochlostylce sphaericce MARTENS, Ostas. Landschu. 

 l. '.'7 -SKMI-KI:, Reis. Landmoll. p. 197. 



A .-mall group of compact, solid little shells, confined to north- 

 \vc-t-ni Lu/on. 



Key to species. 



a. Fan- <>f lip dark-edged; shell globose 



/- .Hitural band white; columellar band dark brown; colu- 

 " 1(> ll:i white sphaerica. 



!>/'. Mitural and rolnm,.llar bands green; columella reddish 



balteata. 

 aa. Fari- .if lip nut dark-cd^cd ; shell elevated 



I/ip distil. rtly rcflcxr.! iloconensis. 



l>!>. Lip very hluntly refiexed annullata. 



\ Sowerby. PI. :;:), iigs. 82, 83, 84. 



solid, -lobular; ground-color straw-yellow 

 *ith in-.-ular <,l)li(,ue yellowish-chestnut streaks, 



