3f)4 REFERENCE TO PLATES. 



FIGURE. PAGE. 



6. Polygyra troostiana Lea. After Binney, . . .71 



7. Polygyra postelliana Lea. After Binney, . . .71 



8. Polygyra tridentata Say. After Binney, . . .74 



9. 10. Polygyra appressa perigrapta Pils. Shepperd, del. . 74 



11, 12. Polygyra tridentata Say. After Binney, . . .74 



12, Polygyra inflect a Say. After Binney, . . .74 



13, 14. Polygyra albolabris maritima Pils. Shepperd, del. . 74 



15. Polygyra clausa Say. Bfter Binney, . . . .74 



16. Polygyra albolabris Say. After Binney, . . .74 



17. 18, 19. Polygyra sayi Binney. After Binney, . . 74 



20. Polygyra clausa Say. After Binney, . . . .74 



21. Polygyra kiawaensis Simpson. Pilsbry, del. . . .74 



PLATE 31. 



22-24. Polygyra (Stenotrema) monodon v. aliciae. E. Shep- 

 perd, del. . . . 



25. Polygyra (Stenotrema) monodon, jaw. After Binney, * 78 



26. Polygyra (Stenotrema) hirsuta Say. After Binney, . 78 



27. Polygyra (Stenotrema) spinosa Lea. After Binney, . . 77 

 28-30. Polgyrella polygrella Bid. & Coop. Shepperd, del. . 80 

 31, 32. Polygyrella polygyrellla Bid. & Coop. After Binney, 79 

 33-35. Polygyrella harfordiana Coop. Pilsbry, del. . . 80 

 36-40. Glyptostoma newberryanum W. G. B. After Binney, 193 



41. Polygyrella polygyrella Bid. & Coop. After Binuey, . 80 



PLATE 32. 



42, 43. Chloritis leei Cox. After Hedley, . . . .119 

 44, 45. Planispira delibrata Bens. After Stoliczka, . . 115 

 46, 47, 52. Thersites (Xanthomelon) pachystyla Pfr. After 



Semper, ........ 134 



48. Thersites (Sphserospira) blomfieldi Cox. After Hedley, . 132 



49. Thersites (Hadra) bi partita Fer. After Semper, . .131 

 50,51. Thersites (Sphserospira) rainbirdi Cox. After Hedley, 132 



PLATE 33. 



1. Thersites richmondiana Pfr. Hedley, Proc. R. Soc.Q'ld. 128 



2. 3. Thersites (Sphserospira) mitchellae Cox. Pilsbry, del. 133 

 4-7. Thersites (Badistes) gulosa Gld. Hedley, Rec. Austr. 



Mus. . . 130 



PLATE 34. 



1, 2. Thersites (Sphserospira) mitchellse Cox. Pilsbry, del. 132 



3. Planispira zonaria L. Pilsbry, del. . . . .110 



4. Planispira (Trachia) asperella Pfr. Pilsbry, del. . . 115 



