38 FRONDIPOEID^. 



appearance not exhibited in F. ramosa. Otherwise the two forms 

 seem to be closely allied. 



2. PEONDIPORA, Imperato. 



Zoarium pedunculate, ramose ; fasciculi opening only on one side 

 of the branches in raised patches. 



Frondipora, Imperato (1599) ; Blainvilk ; D'Orb. I. c. p. 676 ; Smitt ; 



Bmk. 

 Millepora (pars), Linn., PaUas. 

 Retepora (pars), Lamarck. 

 Krusensterna, Tilesius, Lcimx. 

 Rhizophora, D'Orb. (1849). 



■ 1. Frondipora reticulata, Blainv. (Plate XXI.) 



Branches subcylindrical, dichotomous, and forming frequent 

 anastomoses, so as to constitute an irregularly convoluted reticidate 

 growth ; the extremities of the fasciculi form elongated, confluent 

 protuberances ; dorsal surface longitudinally striated and finely 

 punctured. 



Frondipora, " Porus frondosus," Crusta marmajimjierato (1599), p. 631, 



£a echini. 

 Frondipora Baiihini (1650), Bauhin, Hist. iii. p. 809. 

 Frondipora reticulata, Blainv. Man. (TActin. p. 406, pi. 69. fig. 1 ; 



D'Orb. Pal. Fra^jg. p. 677 ; Smitt, I. c. p. 407. 

 Millepora reticulata (pars), Litiii. 

 Millepora frondipora, Pallas. 

 " Macfrepore rameux" &c., Marsigli, Hist. d. Mer, p. 150, pi. 34. 



fig. 165. 

 Retepora reticulata, Lamk. 

 Krusensterna verrucosa (pars), Lamx. E.rpos. pi. 26. fig. 5(non p. 74, 



figs. 10, 13). 



Hah. Mediterranean (very abundant). 



2. Frondipora palmata, n. sp. (Plate XX. figs. 4, 5.) 



Zoarium stipitate ; trunk short and thick, spreading out into 

 several horizontal lobes, which are digitate on the sides ; fasciculi 

 continuous along the lobes and branches ; dorsal surface reticulato- 

 punctate. 



Hah. Australia? 



I have unfortunately no certain knowledge of the locality whence 

 this very distinct species was brought, but have great reason to 

 beKeve that it formed part of the ' Rattlesnake ' collection. 



