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STUDIES ON TUNICATA. 



No. I. 



By H. Leighton Kesteven, B.Sc, Junior Demonstrator in 

 Physiology, Sydney University; Lecturer in Physiology, 

 Technical College, Sydney. 



(From the Physiological Laboratory of the University of Sydney.) 

 (Plates xxv.-xxvii.). 



Introduction. — In the series of papers hereby commenced, I 

 hope from time to time to contribute to our knowledge of the 

 Australian Tunicate fauna. 



Thanks to the excellent work of Professor Herd man, the 

 student of Australian Tunicata is very fortunately situated. In 

 his " Catalogue of the Tunicata in the Australian Museum," 

 Professor Herdman gave a classified list, with bibliographical 

 references, of all the species recorded from the Australian coasts. 

 That list is a guide to past work, and such a guide is invaluable. 



Of the one hundred and eighty-three species recorded, the 

 greater number have been well and adequately described; there 

 still remain unattached names, notably those of QuoyandGaimard, 

 and of Stimpson. 



In these papers it is my purpose to record the recognition of 

 these poorly described species as opportunity offers, to note 

 extensions of ranges of those better known, to describe any new 

 forms that may occur to me, and to record any other observations 

 that may be of interest to the general subject. 



For the guidance of collectors who may be willing to assist me 

 with material, I may say that I should like the specimens to be 

 placed in 5 % formol (2 % formaldehyde) in sea-water directly- 

 collected, and after two or three days to be transferred to 50 % 



