Referee's report by John Graham Kerr, on a paper 'Studies in tunicate development. Part V - The evolution and classification of ascidians' by Norman John Berrill Sectional committee: Zoology Recommended for publication in Philosophical Transactions, in full. All illustrations should be reproduced and no modifications are required. [Published in Philosophical Transactions B, 1936]. Endorsed on verso as received 24 June 1935. June 1935