EXPLANATION OF THE PLATES. 173 



LITHOGEAPHIC PLATE XVII. 



1. Growth- form of P. Cape Verde Islands 1, x ^; for the calicles, cf. PL I. fig. 2. 



2. „ P. Cape Verde Islands ^, X i ; „ PL I. fig. 3. 



3. „ P. Guraqoa 1, x \. 



4. „ P. Antigua 4, X j ; for the calicles, cf. PL II. fig. 7. 



5. „ P. Barhuda S, x i ; „ PL III. fig. 1. 



6. „ P. St. Thomas 5, x \; „ PL 111. fig. 7a. 



7. „ P. Belize ^, X ^~ ; „ PL J. fig. 6. 

 7a. „ P. Belize o.', X i ; „ PL 1. fig. 7. 



8. „ P. Bahamas 1, spec, a, X -| ; for the calicles, cf. PL II. fig. 2. 



9. „ P. West Indies x. "27, x i ; „ PL VI. fig. 6. 



10. „ P. West Indies x. 24, x ^ ; „ PL VI. fig. 4. 



11. „ P. West Indies x. 28, x i ; „ PL VI. fig. 8. 



12. „ * Porites x. 10, X ^i „ PL VII. fig. 2. 



13. „ Porites x. lo, X J ; ' „ PL VII. fig. 5. 



14. „ Porites X. 16, X ^i „ PL VII. fig. 8. 



15. „ Goniopora Ellice Islands *, X i ; „ PL VIII. fig. 1. 



16. „ Goniopora Ellice Islands o, X ^ ; „ PL VIII. fig. 2. 



17. „ Goniopora Ellice Islands 4, X %; „ PL VIII. fig. 3. 



18. „ t 6^- North- West Australia 7, x f ; „ PL VIII. fig. 8. 



19. „ Goniopora X h. X i ; „ PL VIII. fig. 9. 

 20a. „ Porites West Indies x. 15, x ^ ; „ PL V. fig. 3. 

 20;8. „ P. West Indies x. 16a, X f ; „ PL V. fig. 4. 

 2O7. „ P. West Indies x. 16b, X f ; „ PL V. fig. 5. 



* On this growth-form, see the remarks made on p. 137. 



I On the form of this specimen, see the observations, p. 155. 



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