34 A. LIVERSIDGE. 



the superimposed films. The incrustation on the teeth is 

 apparently a deposit of tartar, and perhaps partly due to 

 superficial decay of the tooth. I think similar coatings 

 on sheeps' teeth have been recorded even in classical times, 

 but I cannot recall a reference. It would be interesting 

 to know whether this deposit on sheeps' teeth is common 

 or not. 



I also exhibit a calculus of a similar metallic looking 

 character from a sheep's stomach, deposited in distinct 

 layers round a piece of twig, but of rather a darker bronze 

 tint than the substance on the teeth — this specimen belongs 

 to the Sydney Technological Museum and was kindly lent 

 by the Curator, Mr. R. T. Baker. 



OBSERVATIONS on the ILLUSTRATIONS of the 

 BANKS and SOLANDBR PLANTS. 



By J. H. Maiden, Government Botanist and Director of 

 Botanic Gardens, Sydney. 



[Read before the Royal Society of N. S. Wales, July 5, 1905."] 



The issue of the third and final volume of the plates con- 

 temporaneously prepared by Banks' artists, is an event 

 which assuredly demands the most marked emphasis that 

 we Australians can give it. It is, to us at least, an impor- 

 tant historical event. New South Wales was settled 17 

 years later as a consequence of Cook's voyage, and the 



1 " Illustrations of Australian plants collected in 1770 during Captain 

 Cook's voyage round the world in H.M.S. " Endeavour," by the Right 

 Honorable Sir Joseph Banks, Bart, k.b., p.r.s., and Dr. Daniel Solander, 

 p.r.s., with determinations by James Britten, f.l.s., Senior Assistant, 

 Department of Botany, British Museum, Part hi., 1905." [Part i., 1900; 

 Part ii., 1901]. 



