EXPLANATION OF THE PLATES. 20:5 



PLATE VII. 



FIO. 



1. Surface, with slightly raised walls, of G. Maldives 1 ; for growth-form, see PI. XIII. fig. 6. 



2. From the top surface of G. Maldives 2 ; for growth-form, see PI. XIII. fig. 7. 



3. Lateral calicles of the same. 



4. From the top surface of G. Maldives 3; for growth-form, see PI. XIII. fig. 8. 



5. Some lateral calicles of the same. 



6. From the side of G. Maldives 4 (Suvadiva) ; for growth-form, see PI. XIII. fig. 9. 



7. From extreme tip of column of G. Mauritius 1 ; for growth-form, see PI. XIII. fig. 10. 



8. From the explanate portion of the same. 



9. From top surface of G. Red Sea 4 ; for growth-form, see PI. XIII. fig. 11. 



PLATE VIII. 



1. From the top of G. Red Sea 1; for growth-form, see PI. XIII. fig. 12, and reference in 



Table I. p. 164. 



2. Lateral calicles of the same. 



3. From the lateral slope of G. Red Sea 6 ; for growth-form, see PI. XIII. fig. 13. 



4. Goniopora x a, about natural size. 



5. Goniopora x d, about natural size. 



6. From the side of Goniopora xf; for growth-form, see PI. XIV. fig. 4. 



7. From near the top of Goniopora xe; for growth-form, see Pi. XIV. fig. 3. 



8. From surface of Goniopora xb; for growth-form, see PI. XIV. fig. 1. 



PLATE IX. 



1. From the top of Goniopora x c ; for growth-form, see PI. XIV. fig. 2. 



2. Lateral calicles of the same. 



3. Abnormal calicles on dead portion of G. Celebes 1 ; cf. Text, pp. 67 and 155. 



4. From worn pebble of Goniopora Box 3. 



5. Part of (?) original surface of Goniopora Gironde 1 ; for form of specimen, see PI. XIV. fig. 8. 



6. Upper surface of worn pebble of Goniopora Gironde 2; for form of specimen, see PI. XIV. 



fig. 7. 



7. A specimen of Campanile giganteum, showing two colonies of Michelin's "Astrcea " bellula 



(= Goniopora Paris Basin 2; for calicles, see next Plate, fig. 1), slightly over half 

 natural size. 



PLATE X. 



1. From the uppermost colony of Goniopora Paris Basin 2, shown in Plate IX. fig. 7. 



2. Specimen c \ of Goniopora Park Basin 4, showing three stages in the proliferation of the 



3. Specimen a \ synapticular formations of the septa. In fig. 3 a tabula takes the place of 



4. Specimen b J a columellar tangle. 



5. From upper surface of Goniopora Paris Basin 5; for form of specimen, see PI. XIV. fig. 9. 



6. From probably worn surface of Goniopora Paris Basin 6; for form of specimen, see 



PL XIV. fig. 10. 



7. From a fragment of Goniopora Paris Basin 7. 



8. From upper surface of encrusting specimen of Goniopora Paris Basin 8. 



9. From top of Goniopora Paris Basin 9; for growth-form, see PI. XIV. fig. 11. 



2 d 2 



