246 MAINE AGRICL-LTURAL EXPERIMENT STATION. I906. 



together with a corresponding proportion of the other soluble matters 

 thereof. 



22a. Tonka bean is the seed of Coumarouna odorata Aublet (Dipteryx 

 odorata (Aubl.) Willd.). 



23. Vanilla extract is the flavoring extract prepared from vanilla 

 bean, with or without sugar or glycerin, and contains in one hundred 

 (100) cubic centimeters the soluble matters from not less than ten (10) 

 grams of the vanilla bean. 



23a. Vanilla bean is the dried, cured fruit of Vanilla planifolia 

 Andrews. 



24. IVintergreen extract is the flavoring extract prepared from oil 

 of wintergreen, and contains not less than three (3) per cent by volume 

 of oil of wintergreen. 



24a. Oil of wintergreen is the volatile oil distilled from the leaves of 

 the Gaultheria procumbens L. 



C. EDIBLE VEGETABLE OILS AND FATS. 



1. Olive oil is the oil obtained from the sound, mature fruit of the 

 cultivated olive tree (Olea europoea L.) and subjected to the usual 

 refining processes; is free from rancidity; has a refractive index (25° C.) 

 not less than one and forty-six hundred and sixty ten-thousandths 

 (1.4660) and not exceeding one and forty-six hundred and eighty ten- 

 thousandths (1.4680) ; and an iodin number not less than seventy-nine 

 (79) and not exceeding ninety (90). 



2. Virgin olive oil is olive oil obtained from the first pressing of care- 

 fully selected, hand-picked olives. 



3. Cotton-seed oil is the oil obtained from the seeds of cotton plants 

 (Gossypiuni hirsutum L., G. barbadense L., or G. herbaceum L.) and 

 subjected to the usual refining processes; is free from rancidity; has 

 a refractive index (25° C.) not less than one and forty-seven hundred 

 ten-thousandths (1.4700) and not exceeding one and forty-seven hun- 

 dred and twenty-five ten-thousandths (1.4725) ; and an iodin number 

 not less than one hundred and four (104) and not exceeding one hundred 

 and ten (no). 



4. "Winter-yellow" cotton-seed oil is expressed cotton-seed oil from 

 which a portion of the stearin has been separated by chilling and pres- 

 sure, and has an iodin number not less than one hundred and ten (no) 

 and not exceeding one hundred and sixteen (116). 



5. Peanut oil, arachis oil, earthnut oil, is the oil obtained from the 

 peanut {Arachis hypogcea L.) and subjected to the usual refining pro- 

 cesses ; is free from rancidity; has a refractive index (25° C.) not less 

 than one and forty-six hundred and ninety ten-thousandths (1.4690) 

 and not exceeding one and forty-seven hundred and seven ten-thou- 

 sandths (1.4707) ; and an iodin number not less than eighty-seven (87) 

 and not exceeding one hundred (100). 



