79 



go per cent, alcoholic resin solution permanently turbid; the mean for the six- 

 samples of C. glaiicawSiS 3-6 c.c. ; that of the six samples of C. calcarata was 3-40.0., 

 and that of the three samples of C. arenosa was 6-i c.c. The resins of the other 

 species tested were all more soluble in alcohol than the above. The following 

 table gives the rotation and relative solubility results which were obtained with 

 these resins : — 



Comparative Rotation and Solubility Results with the various Callitris 



Sandarac Resins. 







Rotation in 100 mm. 



[ 

 1 



Name. 



Locality. 



tube, 3 grams 



picked resin in 15 c.c. 



acetone. 



Specific rotations 



vary between. 

 L a] D + 25-5" and 



+ 47^ 



' Relative solubility in 

 alcohol. 2 grams picked 

 resin dissolved in lo c.c. 

 90% alcohol. 5 c.c. tit- 

 rated with 75% alcohol 

 till turbid. 









Required. 



Callitris calcarata 



CELSsHis, N.S.W 



+ 6-0°^ 



c 



5-0 C.C.I 



>> >> • • " 



Cooma, , 



+ 6-0° 







11 



2-4 C.c. 1 



1 ^ 



17 >) 



Yarralumla , 



+ 6-1° 



l^ 



3-5 c.c. ! t 



»J »> • " 



Dripstone, „ 



+ 5-9° 



■1+ 



3-2 c.c. 





■; )) • • • 



Cootamundra, „ 



+ 6-1° 



to 1 ! 



=8 



4-3 c.c. 





ij »> ■ ■ ■ 



Canowindra, „ 



+ 6-0°^ 







S 



2-0 C.C- 





,, glaiica 



Narrabri, ,, ... 



+ 87° 1 



§ 



4-3 c.c. 





•1 >» ■ • • 



Scone, „ 



+ 6-4° 







4-0 c.c. 









Eugowra, „ ... ... ... 



Lake Cudgellico, „ 



+ 7-2° 

 + 7-4° 



ya + 



3-9 c.c. 

 3-0 c.c. 



0) 



,. 1, • - ■ 



Pleasant Hills, „ 



+ 7-2° 



m 1 1 



2-6 c.c. 



'^' 



)) 3» ■ ■ ■ 



Parkes, . ,, 



+ 6-9°- 



1 



3-8 c.c. 





rhomboidea ... 



Sydney, „ 



+ 7-6° 



10-2 c.c. 



„ Tasmanica ... 



Rylstone, 



+ 6-1° 



12-6 c.c. 



arenosa 



Ballina, 



■3 2 a" 



5-5 c.ci i 



.J '» * • • 



BaUina, 



+ 6-8° ll? 



5-8 c.c. .'-i 



,, verrucosa 



Warden, „ 



Great Victorian Desert, Elder Exploring 

 Expedition. 



+ 6-7° 1 il^ 

 + 9-4° 



7-0 c.c' 1 

 13-0 c.c. 



,. 



Shuttleton, N.S.W 



+ 6-4° 



8-8 c.c 



Macleayana 



Coolongolook, ,, 



+ 8-1° 



14-0 c.c. 



,, oblonga 



Tasmania 



+ 7-6° 



15-2 c.c. 



Sandarac. ist quality 



North Africa 



+ 5-8°]ls| 



3-5 c.c^ S 



[TetmcUnis) 



2nd ., 



)» ... .... ... ... 



+ 5-1° hit 



1 CO 



6-5 C.c. !■■* 



70s. cwt. .. 







rf 1— 



3-8 c.c J 1 



