PEAR RS4: 
All shells natural size. 
Figs. 1, 2. Partula otaheitana crassa Pease, Punaruu Valley. Banded class. 
Figs. 3-13. Partula otaheitana crassa aberrans Cr., Taapuna Valley. 
Figs. 3-5. Plain, light group. 
Figs. 6-8. Plain, medium group. 
Figs. 9-11. Plain, dark group. 
Figs. 12, 13. Banded class. 
Figs. 14-56. Partula otaheitana lignaria Pease, Vipaerui Valley. 
Figs. 14, 15. 1906 series, plain, subclass (a). 
Figs. 16-18. 1906 series, plain, subclass (0d). 
Figs. 19-24. 1906 series, plain, subclass (c); figs. 22-24 unusual forms. 
Figs. 25-27. 1906 series, plain, subclass (d). 
Figs. 28-30. 1906 series, plain, subclass (¢). 
Figs. 31-35. 1906 series, banded, light subclass. 
Figs. 36, 37. 1906 series, banded, medium subclass. 
Figs. 38-40. 1906 series, banded, dark subclass. 
Fig. 41. 1906 series, below fork, sinistral, plain. 
Figs. 42-46. 1906 series, west fork, dextral, plain. 
Figs. 47-50. 1906 series, west fork, sinistral, plain. 
Figs. 51, 52. 1906 series, east fork, dextral, plain. 
Figs. 53-56. 1906 series, east fork, sinistral, banded. 
Figs. 57-64. Partula producta Pease, Faarahi Valley. 
Figs. 57-63. Banded class. 
Fig. 64. Plain, light. 
