7i 



Table. 



,15° 



, 25° 

 25° 



Differ- 

 ence 



Limits of value 



: i5° 



at IP 



Limits of value 



; 25° 

 at 25^ 



American 



Pharma- 



. 25° 

 copceia ^ 



Anise Oil 



Benzaldehyde . . . 

 Bitter Almond Oil . 

 Cajeput Oil .... 

 Caraway Oil .... 

 Cassia Oil, rect. . . 

 Chenopodium Oil . 

 Cinnamic Aldehyde 



Clove OH 



Copaiba Oil .... 

 Coriander Oil . . . 



Cubeb Oil 



Erigeron Oil .... 



Eucalyptol 



Eucalyptus Oil . . . 



Eugenol 



Fennel Oil 



Hedeoma Oil (Oil of 



Amer. Pennyroyal) 



Oil of Juniper berries 



Lavender Oil .... 



Lemon Oil 



Mustard Oil .... 

 Nutmeg Oil .... 

 Peppermint Oil . . 

 Pimenta Oil .... 



Rose Oil 1 ) 



Rosemary Oil . . . 



Safrol 



Sandalwood Oil . . 

 Sassafras Oil .... 



Savin Oil 



Spearmint Oil . . . 

 Sweet Orange Oil . 

 Thyme Oil, white . 

 Turpentine Oil . . . 

 Turpentine Oil, rect. 

 Wintergreen Oil: 



a) from Be tula 

 lenta L 



b) from Gaultheria 

 procumbens L. 



c) artificial .... 



0,9915 



o,9855 



1,0584 



1,0515 



1,0655 



1,0587 



0,9215 



0,915! 



0,9080 



0,9023 



1,0551 



1,0489 



0,9769 



0,9706 



1,0560 



1,0504 



1,0487 



1,0422 



0,9056 



0,9002 



0,8739 



0,8672 



0,9214 



o,9i59 



0,8865 



0,8803 



0,9294 



0,9227 



0,9146 



9,9083 



1,0716 



1,0650 



0,9715 



0,9653 



0,9331 



0,9271 



0,8655 



0,8593 



0,8864 



0,8797 



0,8585 



0,8527 



1,0200 



1,0120 



0,9037 



0,8972 



0,9060 



0,9006 



1,0440 



1,0372 





0,8625 



0,9077 



0,9011 



1,1054 



1,0985 



0,9782 



o,9735 



1,0807 



1,0740 



0,9208 



0,9150 



o,935 2 



0,9290 



0,8509 



0,8452 



0,9068 



0,9007 



0,8682 



0,8616 



0,8708 



0,8643 



1,1870 



i,i794 



1,1864 



1,1788 



1,1896 



1,1817 



0,0060 

 0,0069 

 0,0068 

 0,0064 



0,0057 



0,0062 

 0,0063 

 0,0056 

 0,0065 



0,0054 



0,0067 



0,0055 



0,0062 

 0,0067 

 0,0063 

 0,0066 

 0,0062 



0,0060 

 0,0062 

 0,0067 

 0,0058 

 0,0080 

 0,0065 

 0,0054 



0,0068 



0,0066 

 0,0069 

 0,0047 

 0,0067 

 0,0058 

 0,0062 



0,0057 



0,0061 

 0,0066 

 0,0065 



0,0076 



0,0076 

 0,0079 



0,984 



1,050 



1,045 

 0,919 

 0,905 

 1,053 



1,054 



1,040 

 0,900 

 0,870 

 0,915 

 0,850 



0,928 

 0,910 

 1,071 



0,965 



—0,994 



1,055 



—1,070 



—0,930 



-0,915 

 -1,065 



? 



-1,058 



—1,060 

 — 0,920 



—0,880 

 0,930 

 0,870 

 0,930 

 0,930 

 —1,074 

 -0,977 



0,925—0,940 

 0.860—0,885 

 0,882—0,895 

 0,857—0,861 

 1,016 — 1,025 



0,870—0,930 



0,900 — 0,920 



1,025—1,055 



0,900- 

 1,105- 



0,975- 

 1,070- 

 0,910- 



0,920- 



0,849- 



0,900- 



0,865- 



0,860- 



-0,920 



-1,107 

 -0,985 



-1,082 

 -o,Q30 

 -0,940 



-0,853 



-0,935 

 -0,875 

 -0,871 



0,978- 

 1,043- 

 1,038- 



0,913- 

 0,899- 

 1,047- 



1,048- 



1,033- 

 0,895- 

 0,863- 

 0,909- 

 0,844- 

 0,921- 

 0,904- 

 1,064- 

 o,959- 



0,919- 

 0,854- 



0,875- 

 0,851- 

 1,008- 

 0,864- 

 0,895- 

 1,018- 

 0,854- 

 0,893- 

 1,098- 

 0,970- 

 1,063- 

 0,904- 



0,914- 

 0,843- 

 0,894- 

 0,858- 

 0,853- 



-0,988 

 -1,048 

 -1,063 

 -0,924 

 -0,909 

 -1,059 



-1,052 



-1,053 

 -0,915 



-0,873 

 -0,924 

 -0,864 

 -0,923 

 -0,924 

 -1,067 

 -0,971 



-o,934 

 -0,879 

 -0,888 



-0,855 

 -1,017 

 -0,924 

 -0,915 

 -1,048 

 -0,867 



-0,913 

 -1,100 

 -0,980 



-1,075 

 -0,924 



-o,934 

 -0,847 

 -0,929 

 -0,868 

 -0,864 



o,975— 

 about 



i,045- 

 o,9i5- 

 0,905- 

 1,045- 

 0,965- 

 about 

 1,040- 

 0,895- 

 0,863- 



0,905- 

 0,845- 



0,905- 

 1,072- 



o,953— 



0,920- 

 0,860- 

 0,880- 

 0,851- 



1,013- 



0,862- 

 0,894- 

 1,033- 

 0,855- 

 0,894- 



1,105- 

 0,965- 

 1,065- 

 0,903- 

 0,914- 

 0,842- 

 0,900- 

 0,860- 

 0,860- 



0,985 

 1,045 

 1,060 

 0,925 

 0,915 

 1,055 

 0,985 

 1,047 

 1,060 

 0,905 

 0,878 

 0,925 

 0,865 



0,925 

 0,925 

 1,074 

 o,973 



-o,935 

 0,880 

 -0,892 

 0,855 

 -1,020 

 0,910 



0,914 

 -1,048 

 -0,865 

 0,912 

 -1,106 

 0,975 

 -1,075 

 -0,923 

 -o,934 

 -0,846 



-0,930 

 -0,870 

 -0,865 



1,180—1,188 



1,180—1,188 

 1,185—1,190 



1,172 — 1,180 



1,172- 

 M77- 



-1,180 



-1,182 



1,172 — 1,180 



1,172 — i, 180 

 1,180 — 1,185 



x ) The limits of value given for rose oil were based upon those in force for 



30° 

 15° ' 



