12 IBLAND GROUP COLLECTOR DATE Tulagi, Florida Is. Solomons CoultaS (& Riddall) Sept. 1 - 17, 1930 Gower " " Sept. 18 - 22 Roncador Reef " " Sept. 24 - 25 Ontong Java " " Sept. 26 - Oct. 10 From this point on the date is contained in CoultaS letter and Journal volumes II, III and IV. There are no other journals, log books, etc. which are concurrent to these. Since these volumes have a good Table of Contents it is not necessary that the itinerary be repeated here.