THE PHILIPPINE 



Journal of Science 



D. General Biology, Ethnology 

 AND Anthropology 



Vol. VI DECBMBEE, 1911 No. 6 



THE FISHERY RESOURCES OF THE PHILIPPINE ISLANDS. 

 PART IV, MISCELLANEOUS MARINE PRODUCTS. 



By Alvin Seale. 



(From the Ichthi/ological Section, Biological Lahoratory, Bureau of Science, 

 Manila, P. I.) 



CONTENTS. 



I. Trepang (Beche de Mer). 

 II. The Shark-fin Industry. 



III. Philippine Sea Turtles and Tortoise-Shell. 



IV. The Philippine Window Shell. 



V. Philippine Shells T^sed in the Manufacturing of Buttons. 

 VI. Precious Corals. 

 VII. Edible Seaweeds of the Philippines. 

 VIII. The Preparation of Isinglass in the Philippines. 

 IX. Preparing Skins of Aquatic Animals for Leather. 

 X. A Check-list of Philippine Holothurians. 



I. PHILIPPINE TREPANG (bECHE DE MER) . 



Trepang is a general name applied in the Philippines to all of the 

 many species of animals belonging to the group Holothiirioidea and known 

 locally as beche de mer, halatan, iilate, niunang^ hisam, sea cucumber, 

 and cotton-spinner. Large quantities of these animals are gathered in 

 the Philippines for export to China and Japan. Trepang is a staple 

 food of all Oriental people and is an important item of export from the 

 Philippine Islands. 



Trepang in general appearance resembles pickled cucumbers. The 



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