CONTENTS. 



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



1873-1876. 



By Theodore Lyman. 



{Received August 30, 1881.) 



1 1. — Some points in the Anatomy of the Thylacine (Thylacuuis cijiiocephalus), Cuscus 

 (Phalangista maculata), and Phascogale [Phascogale calura), collected by 

 H.M.S. Challenger, during the years 1S73-187G; with an account of the 

 Comparative Anatomy of the Intrinsic Muscles and Nerves of the Mam- 

 malian Pes. 



By Dr. D. J. Cunningham, Professor of Anatomy in the Royal College of Surgeons, 



Dublin. 



(Received March 28, 1882.) 



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