178 BOARD OF AGRICULTURE. [Jan., 



peculiar odor and taste. Artificial extracts of strawberry, 

 raspberry, peach, and pineapple have sickening odors which 

 would never for a moment be mistaken for the odors of the 

 real fruits. Taken internally they produce nausea and in- 

 testinal disturbances. 



The so-called extract of banana is a more clever imitation, 

 but none the less objectionable. 



The coloring substances are usually coal-tar or aniline 

 dyes, such as are now so extensively employed in dyeing 

 cloth and leather, making inks, wood stains, etc. 



We have in our collection in New Haven numerous sam- 

 ples of soda water syrups, jellies, jams, catsups, cordials, 

 flavoring extracts, etc., colored with these dyes, and also 

 brilliantly colored pieces of wool cloth which we have dyed 

 with the colors extracted from these food products. 



True almond extract is made from the bitter almond, but 

 much of the extract sold under that name is made from peach 

 pits. 



Extracts of rose and pistachio are commonly artificially 

 colored, the one with red and the other with green dyes. 



From what has been said it is evident that the purchaser 

 of extracts should be on his guard against frauds. The pub- 

 lication in our reports of the analyses of the brands found on 

 sale in the State, with the names of the manufacturers and 

 dealers, will serve as a warning to the offenders and as a guide 

 to the purchaser. 



Samples of pure and adulterated extracts, and also some 

 of the materials used in making them, may be seen in the 

 exhibit of the Station. 



« 



Secretary Brown. At this point I would like to ask one 

 or two questions, because I know we have with us at this 

 time gentlemen who are quite competent to answer. The 

 first is, " Are trap lanterns of any use in destroying injurious 

 insects "? 



Prof. Britton. In regard to trap lanterns. You have 

 probably all seen the advertisement of a certain trap lantern 

 made out in Missouri. It has been advertised in many of the 

 papers. It is claimed for this that it destroys a great many 



