EXPLANATION OF THE PLATES. 205 



PLATE XL— continued. 



no. 



10. Growth-form, X £, of G. Great Barrier Reef % ; for calicles on top and sides, see PI. II. 



figs. 2 and 3. 



11. „ X i, of ff. Great Barrier Reef 3; for calicles from the side, see PI. II. 



fig. 4. 



12. „ X £, of G. Great Barrier Reef 6 ; for calicles on the top and sides, see 



PI. II. figs. 7 and 8. 



13. „ X f, of G. Great Barrier Reef 8 ; for calicles on the top, see PI. III. fig. 3. 



14. „ X $ , of G. Great Barrier Reef 11 ; for calicles from the edge, see PI. III. 



fig. 6. 



15. „ X £, of G. North- West Australia 2 ; for calicles from surface, see PI. IV. 



fig. 1. 



PLATE XII. 



1. Growth-form, X \, of G. Great Barrier Reef 7 (specimen b) ; for calicles from top, see 



PI. III. fig. 1. 



2. „ X \, of G. Great Barrier Reef 10 ; for calicles from top, see PI. III. fig. 5. 



3. „ y.^ofG. North- West Australia 3; „ „ PI. IV. fig. 2. 



4. „ X £, of G. North- West Australia 4 ; „ slope, see PL IV. fig. 3. 



5. „ X J, of specimen a, G. North- West Australia 6 ; for calicles from top, see 



PI. IV. figs. 5 and 6. 



6. „ X J, of specimen b, G. North- West Australia 6 ; for calicles from top, see 



PI. IV. fig. 4. 



7. „ X ^, of G. Celebes 1 ; for normal calicles, see PI. IV. fig. 8 ; for abnormal, 



PI. IX. fig. 3. 



8. „ X \, of G. China Sea 2 ; for normal calicles, PI. V. fig. 4. 



9a and b. Two aspects, X f , of G. China Sea 3 ; for normal calicles, see PI. V. fig. 5. 



10. Growth-form, X ^, of G. China Sea 4 ', for calicles from top surface, see PI. V. fig. 6. 



11. „ x i, of G. China Sea 5 ; for magnified tip of right hand fig., see PI. V. 



fig. 7 ; for calicles from lower edge of left fig., see PI. V. fig. 8. 



12. „ X 3, of G. Singapore 1 ; for calicles of side of a branchlet, see PI. V. fig. 9. 



13. „ X £, of G. Singapore 2 ; for lateral calicles near the tip, see PI. VI. fig. 1 ; 



for lateral calicles lower down, see PI. VI. fig. 2. 



PLATE XIII. 



, „ _ „. _ f for calicles from the top, see PI. VI. fig. 3. 



1. Growth-form, X I of G. Singapore 3 ; | ^ ^ ^ ^ pj yL fig ^ 



2. „ X i, of G. Singapore 4- (in Brit. Mus.) ; calicles from specimen in Cambridge 



Museum, from top, PI. VI. fig. 5 ; from side, PL VI. fig. 6. 



3. „ X i- of G. Singapore 5 ; calicles from top, PL VI. fig. 7 ; from side, PL VI. 



fig. 8. 



4. „ X J, of G. Singapore 6 ; for the type of the calicles, see PL VII. fig. 6 and 



PI. VIII. fig. 4. 



5. „ X {, of G. Ceylon 1 ; for calicles, see PL VI. fig. 9. 



