PLATE 20 
2 a. 
; N RU 
‘ \ 
ey ©) 
N fa } \ nif 4 
Yow ey il 
4 5 6 
N 
i ho 
yl i} & 1 
{' E I 
\Y i. | y! 
10 11 12 
XS ish si ee, 
Maruapoo V. 
Punaruu’V. 
20. y, 
Papehue V. 
ee UA ‘ 38 39 46 - 
Orofere Y, Vaitupa V. , Tiamao Y. 
Partula hyalina Brod. Figs. 1-13. Partula clara Pease. Figs. 14-42. 
