(73) 



1640. Bitter almonds (See Number 1532). From the New York market. 



1641. Oil of sweet almond. — Expressed or fixed oil of almonds. Obtained by 



expression from either the sweet or bitter almond. Presented by Fritzsche 

 Bros., of New York City. 



1642. Soy beans. The beans from which the following oil is extracted. Presented 



by H. H. Rusby. 



1643. Soy-bean oil. — A fixed oil expressed from the seeds of Soja Soja (L.) 



(Fabaceae — Pea Family). Native of Asia and largely cultivated as a 

 food. From the New York drug market. Presented by H. H. Rusby. 



1644. Peanuts. — The seeds of Arachis hypogaea L. (See No. 4304.) 



1645. Peanut oil. — A fixed oil expressed from peanuts. 



1646. Peanut butter. The preceding, mixed with some of the ground peanuts. 



1647. Ground peanut cake. — The cake remaining after the expression of the 



above oil, ground into meal for use as cattle food. 



1648. 24 Flax seed. — The ripe seed of the flax plant. 



1649. The same ground. 



1650. Crude linseed oil. The crude oil as expressed from the preceding. 



165 1. Refined linseed oil. The oil purified by special processes. 



1652. Boiled linseed oil. The preceding after having been boiled. 



1653. Linseed oil cake. The cake or pumice remaining after the expression of the 



oil from the seed. 



1654. Linseed oil meal. Made by grinding the preceding. Largely used as cattle 



food. 



1655. Crab nuts. Carapa seeds. — The seeds of Carapa guianensis Aubl. (?) 



{Meliaceae — Mahogany Family). Native of northern South America. 

 Collected by H. H. Rusby on the lower Orinoco River, Venezuela, in 1896. 



1656. Castor-oil beans or seeds. — The ripe seeds of Ricinus communis L. {Euphor- 



biaceae — Spurge Family). Native of Asia and widely cultivated. 



1657. 25 Castor oil seeds from Banna, Ilicos Norte. 



1658. The same from Santa Cruz, Laguna. 



1659. The same from Piddig, Ilicos Norte. 

 1660-1661. Philippine samples without data. 



1662. Castor oil. — Fixed oil expressed from the preceding. Used medicinally. 



This oil is very interesting and important, since it doe6 not congeal readily 

 at low temperatures, and is therefore a most serviceable lubricating oil for 

 aeroplanes. 



1663. Croton seeds. — The seeds of Croton Tiglium L. (Euphorbiaceae — Spurge 



Family). Native of the East Indies. 



1664. Croton oil. Oleum Tiglii. Oleum Crotonis. The fixed oil expressed from 



the preceding seeds. 



"Numbers 1648-1655 represent linseed oil and were presented by the American 

 Linseed Oil Company, of Chicago, Illinois. Linseed or flaxseed is the ripe seed of 

 Linum usitatissimum L. (See No. 602.) There are two strains of the flax plant, 

 one of which is of special value for fiber and the other for its seeds. 



26 Presented by H. J. Baker and Brother, of New York City. 

 Numbers 1657-1661 are samples of castor-oil seeds, grown in the Philippine Islands 

 and presented by E. B. Southwick. 



