100 



ON SOME N S.W. TAN-SUBSTANCES. 

 QUALITATIVE TESTS, (Dilute Extract)— continued. 



Species. 



11 



Lead Nitrate. 



12 



Manganese Acetate. 



13 



Chrome Alum. 



14. Angophora 

 intermedia, DC. 



(Kino.) 



15. Eucalyptus 



macrorrhyncha, F.v.M. 

 (Kino.) 



16. Eucalyptus 



hremastoma, Smith. 

 (Kino.) 



17. Eucalyptus 



rostrata, Schlecht. 

 (Leaf -galls.) 

 IS. Eucalyptus 



Gunnii, Hook., var. 

 (Bark from Delegate.) 

 10. Eucalyptus 



Gunnii, Hook., var. 

 (Bark from Bombala.) 



20. Acacia 



colletioides, A. Cunn. 

 var. 

 (Bark.) 



21. Acacia 



rigens, A. Cunn. 

 (Bark.) 



22. Acacia 



vestita, Ker. 

 (Bark.) 



23. Acacia 



pendula, A. Cunn., var. 

 glabrata, F.v.M. 

 (Bark.) 



24. Acacia 



binervata, DC. 

 (Bark.) 



25. Acacia 

 longifolia, Willd. 



(Bark.) 



26. Acacia 



glaucescens, Willd. 

 (Bark.) 



27. Acacia 



dealbata, Link. 

 (Bark.) 



28. Acacia 



decurrens, Willd. 

 See p. 33 for reactions 

 not noted here. 



29. Fusanus 



acuminatus, R. Br. 

 (Bark.) 



Drab ppt 



Light reddish 

 brown ppt in 



dining to ous ppt on standing 



salmon 

 ditto 



Light olive- 

 brown ppt 



Slight light- 

 brown ppt 



ditto 



Turbidity 



Orange brown 

 ppt 



Very dark 



purplish-pink 



ppt 



Ppt lighter in 



colour than 



A. rigens 



Brownish- 

 pink ppt 



Same as Ango- 

 phora intermedia 

 but perhaps a 

 shade lighter 

 Brownish 

 light-drab ppt 



Same as A. 



vestita 



Warm Sienna 

 brown ppt 



Dirty drab ppt 



No change ; slight 

 dark brown gelatin- 



ditto 



Copious olive-brown 

 ppt 



Slight ppt of an 

 ochrey brown colour 



ditto 



No change ; slight 

 ppt on standing 



No change ; slight 

 reddish -brown ppt 

 on standing 



No change; slight 



pink-brown ppt on 



standing 



No change ; slight 



ppt on standing 



Same as A. vestita 



No change ; slight 

 Sienna brown ppt on 

 standing 



No change ; slight 



brownish ppt on 



standing 



Same as A. vestita 



No change ; purplish 

 ppt on standing 



No change ; slight 

 reddish-brown ppt 

 on standing 



Turbidity; faint light 



brown colour on 



standing 



No change ; turbidity 



on standing 



ditto 



Slight olive-brown 

 ppt 



Turbidity; slight ppt 

 on standing 



No change; turbidity 

 on standing 



ditto 



Slight reddish-brown 

 ppt 



Very slight purplish 

 ppt 



No change 



Turbidity 



No change; turbidity 

 on standing 



No change 

 Same as A. vestita 



No change; turbidity 

 on standing 



