ALANINE, 33. 
All shells natural size. 
Figs. 1-15. Partula otaheitana crassa Pease, Vaitupa Valley. 
Figs. 1-5. Subclass phea striata. 
Figs. 6-9. Subclass phza confluens. 
Figs. 10-15. Class cestata; fig. 12 adolescent. 
Figs. 16-21. Partula otahettana crassa Pease, Atitara Valley. 
Figs. 16-19. Subclass phza striata. 
Fig. 20. Class cestata. 
Fig. 21. Dextral phea mutant. 
Figs. 22-30. Partula otaheitana crassa Pease, Orofere Valley. 
Figs. 22-28. Class phea. 
Figs. 29, 30. Class cestata. 
Figs. 31-45. Partula otaheitana crassa occidentalis Cr., Aoua Valley. 
Figs. 31-36. Yellow class. 
Figs. 37-42. Red class. 
Figs. 43-45. Brown (phea) class. 
Figs. 46-49. Partula otaheitana crassa occidentalis Cr., Papehue Valley. 
Figs. 46, 47. Yellow class. 
Figs. 48, 49. Red class. 
Figs. 50-58. Partula otaheitana crassa Pease, Atehi Valley. 
Figs. 50-53. Class phea; fig. 50 decorticated shell. 
Figs. 54-58. Class cestata. 
Figs. 59, 60. Partula otaheitana crassa Pease, Maruapoo Valley. phea class. 
Figs. 61-64. Partula otaheitana crassa Pease, Punaruu Valley. phza class. 
