Art. VI. — Sij}iopsi.'^ of the Australian Calcarea Hcterocada ; 

 with a proposed Classification of the Group and 

 Descriptions of some Neio Genera and Species. 



By Arthur Dendy, D.Sc, F.L.S. 



Demonstrator and Assistant Lecturer in Biology in the University of 

 Melbourne. 



[Read September 8, 1892.] 



1. Introductory Remarks. 



• Owing to the reduction of the Government grant to the 

 Royal Society, it has been found impossible at present to 

 continue the publication of the volume of the Transactions 

 which the Council of the Society generously set apart for 

 "A Monograph of the Victorian S[)onges." Under these 

 circumstances the Council has kindly agi-eed to m}^ proposal 

 to divide the work by publishing in the Proceedings of the 

 Societ}' only the necessary systematic portion. Avithout 

 illustrations, and publishing the anatomical portions, for 

 which numerous illustrations are indispensable, elsewhere. 

 It is hoped, however, that the continuation of the Mono- 

 graph in its original form may be carried out at some future 

 date. 



I have in my possession, in addition to the very fine series 

 of Victorian Heterocoela collected by Mr. Bi-acebridge Wilson, 

 a number of very valuable specimens, including sevei'al 

 remarkable new species, from otiier parts of Australia, and 

 it seemed desirable to incorporate descrij)tions of these in the 

 present communication. I have also a number of fragments 

 of type specimens, generously forwarded to me by the 

 authorities of the British Museum, which brings the total 

 number of species of Australian Calcarea Heterocoela in m}^ 

 collection up to forty-seven. 



