278 ACHATINELLA LORATA. 



The systematic and to some extent the geographic relation- 

 ships of the species may be approximately represented thus : 



valida 

 mustelina decora 



apexfulva 

 concavospira 



swiftii turgida 



leucorraphe 



vittata lorata 



i 



cestus 



In the text the species are arranged in the sequence cus- 

 tomary in Hawaiian collections from the east westward. 



31. A. LORATA Ferussac. PL 51 ; pi. 52, figs. 1-7. 



Shell dextral, ovate-conic, the summit acute, glossy, striate, 

 white with an epidermal color, epidermis uniform or orna- 

 mented with bands ; whorls S 1 /^, regularly increasing ; suture 

 margined ; aperture ovate, white ; columella arcuate, promi- 

 nent; umbilical cleft not distinct. Inhabits the Sandwich 

 Islands (Ferussac). 



Oahu: Manoa (and across the range in Maunawili) to 

 Moanalua ; varieties further west ; the typical forms especially 

 characteristic of the ridges between Nuuanu and Manoa. 

 Usual station on leaves, especially terminal bunches, on guava 

 and many other plants. 



Helix lorata FER. (Prodrome p. 56, nude name), Voyage 

 auteur du Monde de 1'Uranie et la Physicienne, Zoologie, p. 

 479, pi. 68, figs. 8-12, 1824. Achatina lorata Fer., DESHAYES, 

 Hist. Nat. Moll, ii, p. 193, pi. 155, f. 9-11Achatinella lorata 

 Fer., NEWCOMB, Ann. Lye. vi, p. 310 (animal). PPR., Mono- 

 graphia iv, 524; vi, 168. THWING, Orig. Descript. p. 13, pi. 

 1, f. 2. SEMPER, Eeisen im Archip. Phil., Land Moll., pi. 6, 

 f. 23 (genitalia). Achatinella hanleyana PFR., P. Z. S. 1855, 



