A REVISED LIST OF CORALLINE. 6 



A. fragilissima f. cuspidata W. v. B. Coral. Sib. Exp. p. 90. 



= Amp. cnspidiita Lamx. Exp. Method, p. 26. t. 21. fig. f. 



= Cor. cuspidata Ellis et Sol. Coral, p. 124. tab. 21. 



= Amp. fragilissima KÜTZ. (nee Lamx.) Spec. p. 700. no. 2. 

 A. fragilissima f. cyathifera W. v. B. Coral. Sib. Exp, p. 90. 



= Amp. cyathifera Lamx. Freyc. Voy. Zool. p. 627. 

 A. cryptarthrodia Zanarb. Coral, p. 21. 

 A. involuta Kl rz. Tab. Phyc. VIII. p. 23. Tab. 48. %. 2. 

 A. rigida Lamx. Histoir. p. 297. t. 11. fijr. 1. 



= Amp. cladoniœformis Menegpi. in Kütz. Spec. p. 700. 



= Amp. spina, Kütz. Spec. p. 701. 



= Amp. irregularis Kütz. 1. c. 



= Amp. amethijstina Zanard. Coral, p. 211. 



= Amp. spina ß amethystin a Kütz. p. 700. 

 A. rigida var. inordinata Zanard. Iconogr. III. p. 265. Tab. 99. B. 



%. 5. 



=-• Amp. inordinata Zanard. Coral, j). 21. 

 A. tribulus Lamx. Histoir. p. 302. 



= Cored, tribulus Ellis et Sol. Coral, p. 124. Tab. 21. 



Ampliiroa fragilissima has its articuli much swollen at their 

 distal ends. That this character is also found in Metagoniolithon 

 {Amphiroa) Charoide and 3Ietag. stelligeriim has been remarked 

 by Areschoug.^^ Madam Weber van Bosse^^ has clearl}'- illus- 

 trated the structure in her recent work. The intumescence is 

 evidently due to the secondary growth of the circumgenicular 

 cortex as was formerly proven by me in the case of Melag. stelli- 

 gerumF' I had an opportunity of examining only of the specimen 

 of Am'p. fragilissima Lamx. kept in the herbarium of the Higher 

 Normal School of Tokyo. The specimen is in a much distorted 

 condition with most of the articuli separated one from another. 



According to Madam Weber van Bosse the plant has in 

 its internal structure no less a tendency to approach to Meta- 



1) Sp. Alg. II. p. 531. 



2) Coral, of Siboga Exp. PI. XV T. fig. 2, 5. 

 8) Stii(!y of Genic'ula. p. 29. 



