MOLLUSCA Zam 
(8) Perdicella zebrina Pfeiffer. 
Newcombia zebrina Pfeiffer, P. Zool. Soc. London, 1855 [1856], p. 202. 
Has. E. Maui (Baldwin as P. zebra Newc.). 
Newcomeia Pfeiffer. 
Newcombia Pfeiffer, Malak. Blatt. 1. 1854, p. 117; Pease, P. Zool. Soc. London, 
1869, p. 649. 
Pfeiffer’s list of species was very heterogeneous and included shells of diverse 
groups, his first species being A. helena Newcomb ; fortunately Pease in 1869 properly 
confined the group to the shells it is now used for. 
Two sections may be formed: I. Spirally lirate; MW. “vrata, etc. II. Nearly 
smooth, usually more elongate; MV. cumzngz, etc. 
(1) MNewcombia canaliculata Baldwin. 
Achatinella (Newcombia) canaliculata Baldwin, P. Ac. Philad. 1895, p. 226, pl. x. 
figs. 28, 29; Gwatkin, t. c. p. 238 [radula]. 
Has, Molokai, Halawa (Baldwin). 
(2) Mewcombia cinnamomea Pfeiffer. 
Achatinella cinnamomea Pfeiffer, Malak. Blatt. 1v. 1857, p. 230. 
Achatinella (Newcombia) cinnamomea Pfeiffer, P. Zool. Soc. London, 1858, p. 22. 
Newcombia cinnamomea Pfeiffer, Gwatkin, P. Ac. Philad. 1895, p. 238 [radula]. 
Conchologically this is very close to V. cuming? Newe. 
Has. Molokai, Mapulehu (Baldwin); Makakupaia and the mountains (Perkins). 
(3) Newcombia cumingt Newcomb. 
Achatinella cumingt Newcomb, Ann. Lyc. New York, vr. 1853, pe 2h Ps eZool: 
Soc. London, 1853 [1854], pl. xxiv. fig. 59. 
Has. Maui, Haleakala (Newcomb); Lahaina and Makawao (Baldwin). 
(4) Newcombsa gemma Pfeiffer. 
Achatinella gemma Pfeiffer, Malak. Blatt. tv. 1857, p. 323. 
Achatinella (Newcombia) gemma Pfeiffer, P. Zool. Soc. London, 1858, p. 22. 
Akin to WV. 4rata Pfr., but the sculpture is almost obsolete. 
Has. Molokai Mts. (Perkins). 
