On new distributional records of plankton diatoms from the Indian Seas

In this account 34 species of plankton diatoms identified from the collections made during the cruises of R. V. Varuna and from thf collections of Cochin Backwater are described. Except one species, others are new distributional records from the Indian Seas. A brief remark on the distributional records of some of these diatoms is also presented