File:Report of the Commissioner - United States Commission of Fish and Fisheries (1902) (14595231079).jpg

Identifier: reportofcommissi281902unit (find matches)
Title: Report of the Commissioner - United States Commission of Fish and Fisheries
Year: 1904 (1900s)
Authors: United States. Bureau of Fisheries
Subjects: Fisheries
Publisher: Washington, The Commission U.S. Govt. Print. Off
Contributing Library: MBLWHOI Library
Digitizing Sponsor: MBLWHOI Library

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these tests may extend over a month, especially fordurability of perfume. Some manufacturers prize most highly thoselots and grades which another manufacturer would not accept. Theselection of just the proper quality to produce the desired bouquetforms one of the niceties of the perfumers art. The value of ambergris depends largely on its scarcity at the timeand its freedom from impurities. During the last thirty years it hasvaried in price from 15 to $40 per ounce. At the present time it isquoted at $8 to $30 per ounce. In 1880 crude ambergris l)rought homeby the whalers was sold at 110 an ounce and the dried article at $20an ounce. In 187G the value, dried, was 125 an ounce. In the LondonPrice Current of Colonial Produce in 1807 ambergris is quoted at 40s.to 45s. per ounce for gray, fine. Considering the respective pur-chasing powers of money two centuries ago and ati the present time,that price is quite equal to the average value in recent years. Re,:.n,t U S. F. C. 1902. Plate 19.
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AOUATIC PRODUCTS AS FERTILIZERS. GENERAL REVIEW. A fertilizer is aii) substance added to the soil for the purpose ofproducing a better growth of crops. The food required by plants issupplied in part from the atmosphere, but principally from the soil.If the supijly of any one of the necessary ingredients be deficient, asmall crop is the result; and the puri^ose of fertilizers is to supply theplant-foods lacking in the soil. The general use of fertilizers is of comparatively recent origin, yetthe ijreparation of these substances supports an extensive industry,employing a large amount of capital and many thousands of men.Compared with the immense quantities of barnyard materials, phos-phate rooks, etc., the use of aquatic products for fertilizer is relativelysmall, yet it is by no means unimportant in the fishery industries. Fish, seaweeds, shells of moUusks and crustaceans, and variousother aquatic products have long been known to possess rich fertiliz-ijig properties. All kinds of fish

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