Smithsonian miscellaneous collections . £/NGTO^^?......•••JS (Publication 4171) CITY OF WASHINGTON PUBLISHED BY THE SMITHSONIAN INSTITUTION JULY 15, 1954 SMITHSONIAN MISCELLANEOUS COLLECTIONS VOLUME 122, NUMBER 14 (End of Volume) JWarp Uaux OTalcott Jf unb for^Publications in iBotanp A NEW GENUS AND SPECIES OF PLANKTON DIATOM FROM THE FLORIDA STRAITS (With Four Plates) BYPAUL S. CONGER Associate Curator, Division of CryptogamsDepartment of Botany, U. S. National Museum. (Publication 4171) CITY OF WASHINGTON PUBLISHED BY THE SMITHSONIAN INSTITUTION JULY 15, 1954 Z$t Bott) (^aftimore (preee BALT
Smithsonian miscellaneous collections . £/NGTO^^?......•••JS (Publication 4171) CITY OF WASHINGTON PUBLISHED BY THE SMITHSONIAN INSTITUTION JULY 15, 1954 SMITHSONIAN MISCELLANEOUS COLLECTIONS VOLUME 122, NUMBER 14 (End of Volume) JWarp Uaux OTalcott Jf unb for^Publications in iBotanp A NEW GENUS AND SPECIES OF PLANKTON DIATOM FROM THE FLORIDA STRAITS (With Four Plates) BYPAUL S. CONGER Associate Curator, Division of CryptogamsDepartment of Botany, U. S. National Museum. (Publication 4171) CITY OF WASHINGTON PUBLISHED BY THE SMITHSONIAN INSTITUTION JULY 15, 1954 Z$t Bott) (^aftimore (preee BALTIMORE, MB., U. B. A. Mavp ^aux Halcott jfunb for^publications in IBotanp A NEW GENUS AND SPECIES OF PLANKTONDIATOM FROM THE FLORIDA STRAITS By PAUL S. CONGER * Associate Curator, Diisision of Cryptogams Department of Botany U. S. National Museum (With Four Plates) The diatom here described was first found in plankton gatheringsin the summers of 1938 and 1939, while I was working at the CarnegieInstitution of Washington Marine Laboratory, Dry Tortugas, Fla.,but its study was not completed at that time. It was taken in a No. 20silk bolting-cloth tow net in waters adjacent to the laboratory, in seawater of 6o° to 70 ° F. temperature and approximately 35%o water was so clear that the very presence of plankton would bedoubted, and only after a haul of 20 minutes or more could an ap-preciable quantity be secured. To the best of my knowledge this form re
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