REFERENCE TO PLATES, VOL. XXI. 385 



FIGURE PAGE 



PLATE 48. Heteramastra. 



1, 2. Amastra soror Newc. No. 1566 Boston Soc 285 



3, 4. Amastra soror Newc. No. 57776 A. N. S. P 285 



5. Amastra soror Newc. P. Z. S., 1853 285 



6, 7. Amastra subsoror H. & P. No. 57786 A. N. S. P. 287 

 8. Amastra soror laticeps Pils. No. 10213 A. N. S. P. 287 

 9-11. Amastra. soror interjecta H. & P. No. 57827 A. N. 



S. P 287 



12-15. Amastra lava Bald. No. 105556 A. N. S. P 288 



PLATE 49. Heteramastra, etc. 



1. Amastra hutchinsonii Pse. Large form. No. 71268. 289 



2. Amastra hutchinsonii Pse. No. 67077 289 



3. 4. Amastra hutchinsonii Pse. Molokai 289 



5. Amastra perversa Pils. Type 278 



6, 7. Amastra sinistrorsa Bald. Cotype. Baldwin coll. 310 



8. Amastra villosa Sykes. Fauna Hawaiiensis 290 



9. Amastra fraterna Sykes. Fauna Hawaiiensis 233 



10. Amastra ' ' elongata Newc. ' ' Bishop Museum 231 



11. Amastra peasei Smith. P. Z. S., 1873 322 



12. Amastra uniplicata Hartm. Var. No. 104684 A. N. 



S. P 266 



13. Amastra conica kohalensis Pils. Bishop Museum. . 314 



14. Amastra hutchinsonii Pease. Section 289 



15. Laminella kuhnsi Cooke. After Cooke 343 



PLATE 50. Laminella. 

 1, 2. Laminella. citrina ' High.' Pfr. No. 57766 A. N. 



S. P. 350 



3. Laminella citrina ' Migh.' Pfr. No. 1987 Cooke coll. 350 



4. Laminella citrina 'Migh.' Pfr. No. 104713 A. N. 



S. P 350 



5. 8. Laminella citrina. Var. No. 92687 A. N. S. P. . . 350 



6. Laminella semivenulata Borch. Zoologica 353 



7. Laminella semivenulata Borch. Zoologica 353 



8. Laminella citrina, Var. No. 92687 A. N. S. P 350 



9-11. Laminella semivenulata Borch. No. 1992. Cooke 



coll , 353 



12-14. Laminella helvina Bald. No. 65712 A. N. S. P. . . 352 

 15. Laminella helvina. Bald. No. 1987 Cooke coll 352 



PLATE 51. Laminella, 



1-3. Laminella venusta Migh. No. 57767 A. N. S. P. . . 347 



4. Laminella venusta Misrh. Xo. 1994 Cooke coll 347 



5. Laminella. venusta Migh. No. 57768 A. N. S. P. ... 347 



