286 proceedings of the academy of [1895. 



Figures. 



16. Achatinella Anceyana Baldwin (65,707) 



17, 18. Achatiuella Dolei Baldwin (65,690) 



19. Achatinella nivea Baldwin (65,691) 



20. Achatinella Horneri Baldwin (65,702) 



21. Achatinella Horneri var. (65,700) 



22. Achatinella Horneri var. (65,701) 



23. Achatinella mucida Baldwin (65,708) 



24. Achatinella Hawaiiensis Baldwin (65,695) 



25. Achatinella Hawaiiensis var. (65,696) 



26. Achatinella Hawaiiensis var. (65,698) 



27. Achatinella Theodorei Baldwin (65,710) 



28. 29. Achatinella canaliculata Baldwin (65,713) 



Plate XI. 

 Figures. 



30. Laminella helvina Baldwin (65,712) 



31, 32. Araastra pullata Baldwin (65,715) 

 33, 34, 35. Laminella depicta Baldwin (65,711) 

 36, 37. Amastra unihrosa Baldwin (65,714) 



38. Amastra ruhicuuda Baldwin (65,719) 



39. Amastra uudata Baldwin (65,722) 



40. Amastra badia Baldwin (coll. Baldwin) 



41. 42. Amastra pellucida Baldwin (65.721) 

 43, 44. Amastra Knudseni Baldwin (65,725) 

 45, 46. Amastra breviata Baldwin (65,723) 

 47. Amastra antiqua Baldwin (65,716) 

 4.8, 49. Amastra nana Baldwin (65,718) 



50. Amastra vetusta Baldwin (65,717) 



51. Amastra tenuispira Baldwin (65,720) 



52. Achatinella Lyonsiaiia Baldwin. Rhachidian tooth with 

 two adjacent lateral teeth. 



53. Amastra cyelostoma Baldwin (65,724) 



54. Amastra rubicunda Baldwin jaw. 



55. Achatinella Dolei Baldwin, a chitinous membrane, 

 and b radula, as obtained after treatment with 

 caustic potash. 



56. Amastra rubicunda Baldwin. Rachidian teeth, 

 with 1st, 2d and 10th lateral teeth, and mar- 

 ginals 14, 25 and 28. 



