FISHERY RESOURCES OF THE PHILIPPINE ISLANDS. 307 



LITERATURE ON PRECIOUS CORAL. 



KiSHiNOUYE, K. Notes on the Natural History of Corals. Joiini. Imp. Fisheries 



Bur. (1904), 14, 1-32, (13 plates). 

 KiTAHARA, T. On the Coral Fisheries of Japan. Journ. Imp. Fisheries Bur. 



(1904), 13, 1-14 (5 plates). 

 Thompson and Henderson. Report on the Aleynarian Corals Collected by the 



Investigator. P«6. Indian Uus. (906), pt. I, 120." , 

 Wright and Studer. Challenger Report (1889), 31, 185. 

 Johnson, J. Y. Notes on the Corallidae of Madeira with Descriptions of two 



New Species. Proa. Zool. Soc. (1899), 57. 

 Ridley, S. 0. On the Arrangement of the Gornllidw, with Descriptions of new or 



rare Species. Proc. Zool. Soe. (1882), 221. 

 Dana, J. D. United States Exploring Expedition. Zoophytes. Phil., (1846), 



8, 641. 

 Lacaze-Duthiebs. Histoire Naturelle du corail. Paris (1864). 

 MOROFF. On a New Species of coral from Sagami Bay, Japan. Zool. Jahri. 



Syst., (1902), 17, 404. 



BLUE CORAL. 



In numerous localities throughout the Philippine Archipelago a fine quantity 

 of blue coral, Beliopora coerulea Linn., is found in considerable quantities, usually 

 in water of from 2 to 10 fathoms depth. 



This coral is a beautiful, permanent, cerulean blue in color. It takes a fine 

 polish and is found in large heavy masses. No doubt it could be used in jewelry 

 and ornamental work. No amount of polishing, however, will entirely obliterate 

 the pores. I have collected this coral at Jolo, and at Butuan, Mindanao, on the 

 eastern coast of Samar, and on the northern coast of Palawan. No use is made 

 of it at the present time, but as a body for broaches, bracelets, etc., it would 

 be very beautiful or as a background for pearls it would, in my judgment, be 

 unsurpassed. 



RED ORGAN-PIPE CORAL. 



The red organ-pipe coral (Tubipora spp.) is very common throughout the 

 Philippines. It has no especial value, its only use apparently being for cabinet 

 specimens. It is a shallow-water form. I have seen large blocks of it used with 

 other corals in the construction of a wharf. 



REEF CORALS. 



The common reef corals comprising a great variety of genera and species. 

 which have as yet never been identified, are used largely in the building of roads 

 throughout the Islands. They are employed to a limited extent in the manufacture 

 of lime. 



BLACK CORAL. 



The so-called black coral (Antipatharia sp.) is very common in tlie Philippines. 

 Fine specimens several meters in length and from 5 to 15 millimeters in diameter 

 are common throughout the Jolo Archipelago. It is also found in larger quantities 

 in the Gulf of Davao, Mindanao and near Cebu. It is usually secured in water 

 of from 10 to 20 fathoms. 



The U, S. S. Albatross dredged large quantities of this "insulated cable wire" 

 as it was called by the sailors and this term, indeed, is fairly descriptive of the 

 body of this coral : however, the branches are very numerous and give the small 

 corals a decidedly shrub-like appearance. 



'^ This report includes a complete bibliography relating to corals. 



