AUSTRALIAN PITTOSPORUM. 289 



.Si^/^nVt'.—Briithen Creek!!, Gelantipy !!, Mount Taylor!!!. 

 In satin-coloured masses, Avitli patches of mang-anese- 

 oxide, in places dark coloured and changed to limonite. 



Silver. — Omeo!. 



Sjjhalerite. — Boggy Creek!. Black in quartz, with gold, 

 Haunted Stream!, Buclian!!. in small veins, with 

 metallic lustre, Omeo!!. 



Stihnife. — Bendoc!!, Dargo!!, auriferous Buchan!!, argen- 

 tiferous ; Swamp Creek !, aurifei'ous. 



Sulphur. — In cavities from decomjiosed pyrites!, dej)ositpd 

 through oxidation of sulphuretted hydrogen evolved at 

 Clifton Morass!; IS^icholson River, at Sarsfield, where 

 mounds six feet high have been thrown up and free 

 sulphur deposited in the crater-like basin. 



Topaz. — Crooked River. 



Tourmaline. — Bruthen !, greenish radiating crystals. Bemm 

 River!, Mount Wills!!. Some dykes are studded with 

 black hexagonal crystals, mica often being absent where 

 it occurs. Some crystals are plainly cleavable (almost 

 lamellar) parallel to the larger axis. 



Vivianite. — Sarsfield !. (H.) 



Wad. — Boggy Creek! ! !, Merrigig Creek! ! ! ; associated with 

 quartz lodes in that district. 



Asbohte. — Boggy Creek ! ! !, Mount Taylor ! !, Dargo!!!. 

 Occurs earthy; also in conci'etionary mamillary masses; 

 sometimes laminated and hard, enclosing Avhite clayey 

 matei'ial. 



Lampadite. — Black eartiiy masses. Wombat Creek. 



Zeolites. — Gelantipy. 



13— NOTES ON THE EXUDATIONS YIELDED BY 

 SOME AUSTRALIAN SPECIES OF PITTOSPORUM. 



By J. H. MAIDEN, Cunitor of the Technological Museum, Syclnei/. 



The word Pittosporum is derived from jntto, pitch, and 

 spora, seed, and has reference to the sticky substance round 

 the seeds. 



Lindley f The Vegetable Kingdom J, pointing out that the 

 bark of Pittosporum Tohira has a resinous smell, observes 

 that this resinous quality seems general in the Order ; never- 

 theless, I am not aware that the nature of the resinous bodies 

 to be found either in the imj)ortant genus Pittosporum, or in 

 the Natural Order Pittosporeae has been enquired into, and 



