382 REFERENCE TO PLATES, VOL. XXI. 



FIGURE PAGE 



PLATE 39. 



1. Amastra baldwini Newc. (= magna). P. Z. S., 1855. 239 



2, 3. Amastra grayana Pfr. Cooke coll 241 



4. Amastra magna Newc. No. 79959 A. N. S. P 237 



5, 6. Amastra rubristoma Bald. Baldwin coll 242 



7. Amastra durandi Ancey. No. 2230 Cooke coll 245 



8. Amastra magna Newc. No. 92680 A. N. S. P 237 



9. Amastra durandi Ancey. No. 42408a U. S. Nat. Mus. 245 

 10. Amastra durandi Ancey. Var. No. 13432 Boston 



Soc. 245 



11, 12. Amastra nucula Smith. Type. No. 89 Boston Soc. 236 



13. Amastra violacea wailauensis Pils. Cotype. Bishop 



Mus 258 



14. Amastra violacea wailauensis Pils. Cotype. No. 104- 



670 A. N. S. P 258 



15. Amastra tricincta Pils. Type. Bishop Mus 277 



16. Amastra sernicarnea Ancey. Cotype. Bishop Mus. . . 272 



PLATE 40. Amastra of Molokai, Oahu, Lanai. 



1. Amastra. gigantea Newc. P. Z. S., 1853 239 



2-4 Amastra mastersi Borch. (= = borcherdingi P. & H.) . 



Zoologica, pi. 10, figs. 16, 18 267 



5, 6. Amastra mucronata Borch. (= = borcherdingi P. & 



H.) . Zoologica, pi. 10, f. 17 267 



7, 8. Amastra humilis Newc. No. 57704 A. N. S. P. . . 255 

 9. Amastra mucronata Newc. P. Z. S., 1853 268 



10. Amastra fusiformis Pfr. (= = mucronata). P. Z. S., 



1853, pi. 30, f. 18 268 



11, 12. Amastra modesta dimissa Pils. Cotypes. 92683 



and 10209 A. N. S. P 276 



13. 14. Amastra modesta Borch. (=atroflava). Zoolog- 

 ica, pi. 10, f. 19 272 



15. Amastra elegantula H. & P. Type. Cooke coll 277 



16 Amastra spirizona acuta Swains. Kalaikoa. 92280 



A. N. S. P 217 



17. 18. Amastra ellipsoidea Old. (= textilis). Type. 



No. 5498 U. S. N. Mus 167 



PLATE 41. Amastra, Molokai. 

 1 2, 3. Amastra borcherdingi Pils. Cotypes. No. 57714 



A. N. S. P 266 



4. Amastra borcherdingi var. No. 13446 Boston Soc. I 



5. Amastra borcherdingi var. No. 2095 Cooke coll. . . 266 

 6 7. Amastra nubifera H. & P. Cotypes. No. 2048 



Cooke coll 274 



