144 



CEYLON MARINE BIOLOGICAL REPORTS. 



(3) 



III 



IV. 

 V. 



VI 



INDEX. 



I. —Introduction 

 [I. — On the Mode of Life of the Caiilerpas 



( 1 ) Do all Caulerpas grow under similar e rt&rnal conditions ? 



(2) Difjerent Ecological Types as distinguished by varying developments of their 



Root-system 

 (A.) C. verticillata type 

 (B.) Sand Caulerpas 

 (C.) Rock and coral Caulerpas 

 (a) C. laetevirens type 



(ft) The remaining rock and coral Caulerpas 

 Different Ecological Types as distiru/uished by varying developments of their 



Assimilation system 

 (A.) The bilateral leaf-like Caulerpas 

 (B.) The radial Caulerpas. — ^The Analogy between the C. clavif era- uvif era type 



and the C. nummularia-peltata type 

 (C.) C. sertularioides type 



On the Difference between Morphological and Adaptational Characters in Caulerpas 

 On the Different Kinds of variation in Caulerpas 



( 1 ) Continuous variations in Shoot branchlets {== pinnules) from base to point 



(2) Discontinuous variations 



(3) Dwarf forms 



(4) Summary 

 Taxonomy of the Caulerpas — Definition of the Species 

 On the Geographical Distribution of the Caulerpas 



(1) The Distribution of Caulerpas in Ceylon 



(2) The Distribution of the Ceylon Caulerpas in other places 



(3) The Geographical Distribution of Caulerpa in general 

 -List of the Species described . . 



(4) 



1. C. verticillata, J. G. Ac. 



2. C. scalpelliiormis (R. Br.), W. v. B. 



3. C. crassifoMa (Ac), J. G. Ac. . . 



4. C. taxifolia(VAHL),W. V. B. .. 



5. C. sertularioides (Gmel.), Howe 



6. C. Freycinetii, C. Ag. 



7. C. cupressoides (Vahl), W. V. B. 



8. C. Lessonii, Bory 



9. C. clavifera (Turn.), C. Ag. .. 



10. C. uvif era (Turn.) 



11. C. corynephora, Mont. 



12. C. laetevirens (Mont.) 

 !3. C. dichotoma, n. sp. 



14. C. Chemnitzia(Esp.),LAM. .. 



1.5. C. j)eltata, Lam. 



16. C. iiummularia (Harv.), Rke. 



17. C. inibricata (Kjellm.) 



18. C. parvula, N. sp. 



19. C. longistipitata (W. v. B.) . . 



20. C. sedoides (R. Br.), C. Ag. . . 



21. C. Fergusonii, Murr. 

 VII. — List of Literature cited 



PAOK 



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1.39 



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