CONTENTS. 



I. — Report on the Actiniaria dredged by H.M.S. Challenger, during the years 



1873-1876. 



By Professor Richard Hertwig. 



(Received February 1, 1882.) 



II. — Report on the Tonicata collected during the Voyage of H.M.S. Challenger, 

 during the years 1873-76. — Ascidle Simplices. 



By William A. Herdman, D.Sc, F.L.S., F.R.S.E., Professor of Natural History 



in University College, Liverpool. 



{Received November 1, 1882.) 



79079 



