RECENT MADREPORARIA OF THE HAWAIIAN ISLANDS AND LAYSAN. By T. Waylani) Vaughax. Custodian of Madreporarian Coralx, f. .V. X(illo)ial Mnsetun, and CfaliyiM, V. SI. Qeologictd Suri'ey. INTRODUCTION. After the return of the I'. S. Hun'uu of Fisheries .steamer Alhatrasx expedition of 1!I02 from the Hawaiian Ishmds, I'rof. C. H. Gilbert requested nie to j^repare a report on the Madreporaria that had been collected. The material proved more interesting than was at first anticipated, and as a considerable number of the original specimens of the United States Exploring Expedition under Captain Wilkes were preserved in the United States National Aluseum, it was decided to attempt as full an account of the Madreporarian fauna of the islands as is at present possible. In the execution of this purpose assistance has been received from a number of persons, and to these I desire to express uxy heartiest thanks. Prof. A. E. Verrill, of Yale University, allowed the study of his own types and those of Dana preserved in Yale University Museum. He loaned specimens foK the purpose of having them photographed, and donated fragments of types not in the United States National Museum. Dr. W. T. Brigham, Dii-ectoi' of the Bernice Pauahi Bishop iluseum. of Hon-olulu, had collections made on the reefs of Molokai and Oahu. Prof. Theodore Studer, of Berne, sent photographs of the corals from the Hawaiian Islands and Laysan, figured in his Madreporaiier \on Ssunoa. den Sandwich-Inseln und Laysan. Prof. Ludwig Doderleiu, of the University of-Stra.ssburg, sent photographs of his Fiing'ia erosa and F. oiiln'usl.s^ anil identified for me the specimens of F. pdtella from the Hawaiian Islands. Mr. Henry M. Bernard, of the Briti.sh Museum (Natural History), furnished advance proofs of the plates of tiie Hawaiian Poritcx from his \ oiume on the Porites of the Indo-Pacific Region, and gave his oi)inion, from pliotograi)lis sent him. of Porites evermanni. Dr. Richard Rathbun, A.ssistant Secretary of the Smithsonian Institution, in charge of the United States National Museum, has allowed unre>tricted use of all the material in the museum under his charge. As has already been stated, this material comprises a number of Dana's types. 32301—07 1
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