276 NESOPUPA. 



la. Section Nesopi^pilla P. & C. A collateral group of the 

 Hawaiian Islands, differing by the sculpture of smooth rib- 

 striae without cuticular edges or pitting of the surface, having 

 one or two furrows behind the lip, over the palatal folds; 

 lamellae as in typical Nesopupa. 



N. plicif era Anc. Oahu. N. baldwini Anc. Maui. 



N. waianaensis C. & P. Oahu. N. b. centralis Anc. Hawaii. 



N. litoralis C. & P. Oahu. N. b. subcostata C. & P. Molokai. 



N. dispersa C. & P. Oahu to Hawaii. N. b. lanaiensis C. & P. Lanai. 



II. 



The angular lamella is long, strong, curving to join the lip 

 insertion as in Nesopupa, but the columellar lamella is straight 

 or slightly curved upward at the inner end, being less special- 

 ized than in Nesopupa. Here are placed several sections not 

 directly related. 



Ila. Section Cocopupa P. & C. Surface minutely pitted, 

 without riblets. 



N. cocosensis (Dall.). Cocos Island. 



lib. Section Nesodagys C. & P. Surface with spaced ribs 

 with cuticular edges and rugose intervals; angular lamella 

 strong in front. 



N. wesleyana Anc. Hawaii to Oahu. N. w. rhadina C. & P. Molokai, 



N. w. gouveiae C. & P. Hawaii. Maui, Lanai and Oahu. 



N. w. tryphera C. & P. Kauai to N. thaanumi Anc. Oahu, etc. 

 Molokai. 



lie. Section Indopupa P. & C. Similar, but with sculp- 

 ture like typical Nesopupa; the angular lamella low in front. 

 Oriental Region. 



N. moreleti (A. D. Br.). Borneo, N. filosa (Th. & Stol.). Burma. 



Philippines. N. brevicostis (Bs.). Barrackpore. 



N. moellendorffi. (Bttg.). Philip- N. salemensis (Blf.). Kalryen Hills. 



pines. N. cinghalensis (Crude.). Ceylon. 



lid. Section Afripu-pa P. & C. Sculpture of close rib-striae 

 without cuticular edges. The last three species referred to 

 this section with doubt. 



