THE SPONGES OF THE WEST-CENTRAL PACIFIC 



275 



Text Figure No. 187, Map number 2. Saipan Island in the Marianas. Stars mark areas 

 where sponges were found in some abundance. 



not only in Australia but also in Ponape, Truk, and the East Indies. C. porosa 

 would seem, therefore, to have a more peripheral and C. australiensis a central 

 distribution. 



A collection of sponges from the lagoon west of Saipan was made in May and June, 

 1949, by P. E. Cloud, Jr. ; sent to the United States National Museum ; and forwarded 

 from the Museum to me for identification subsequent to writing this account. The Museum 

 has designated all the specimens by the same acquisition number, 183733. Stylotella 

 agminata seems to have been the commonest species then as it was when I collected. The 

 Cinachyra that I found was not found by Cloud. His collection contains an unidentifiable 



