294 THE PROCEEDINGS OF THE LINNEAN SOCIETY 



museums. I was not aware of the extent of the knowledge thus 

 acquired until I compared my own notes and specimens with 

 Professor Duncan's list {Quart. Jour. Geol. Soc, 1870, p. 311.) 

 Then I found that I had considerable material, but which I 

 scarcely knew how to use. If I could have sent it all to London 

 I should have served the interests of science better than I can 

 do now ; but this was out of the question, for many of my notes 

 and drawings referred to specimens in public museums or private 

 collections which I could not dispose of as I wished. At this 

 time the Hon. W. Macleay placed at my disposal for examination 

 and description his small though interesting and valuable collec- 

 tion, and this made me decide upon trying to draw up the 

 present monograph. It will be due to men of science to mention 

 the only works I have been able to consult in preparing this 

 monograph. They are as follow : Histoire Nat. des Corallaires, 3 

 vols., and Atlas of Mess. Ed. and Haime ; the monographs of the 

 same authors in the Palasontographical Soc. publications ; the 

 monographs of Professor Duncan in the same, as also all his 

 papers in the Journal of the Geological Society ; all the papers 

 of various authors in the Annals of Nat. Hist. ; the Proceedings 

 and Transactions of the Zool. Soc. London ; the Annales des 

 Sciences Nat. ; the Voyage de PAstrolabe; Voyage de laCoquille; 

 Sir W. Thomson's Depths of the Ocean ; Dana's Coral Reefs ; 

 Darwin's Coral Reefs ; Ellis and Solander's Zoophytes ; Gosse's 

 Actinologia Britannica ; Juke's Voyage of the Fly ; Voyage of 

 Rattlesnake ; Lamarck His. Nat. des Ani. s. vertebres, 2 edit., 

 par Deshayes ; Gray's Brit. Museum Catalogues and a few Articles 

 in Nature ; Prof. Verril's essays in the Amer. Jour. Science and 

 Art, the Geological Magazine, and a few other serials. 



A study of the Australian living forms has shown that some of 

 the fossil species thought to be extinct are still existing. They are 

 Trochocyathus Victories, Sphenotrochus variolaris, nobis. There are 

 also forms which have a remarkable relation with extinct species, viz: 

 Gonocyathus zelandice, Duncan, which was not known as Australian, 

 and which bears a strong resemblance to the extinct European 

 Miocene form, C. sulcatus. There are two if not three species of 



