Marcu 8. ;p^ice Zs. 



THE JOURNAL 



OP 



THE LINNEAN SOCIETY, 



Vol. XYI. ZOOLOGY. No. 91. 



CONTENTS. 



Page 



I. New Entozoon from tte Ostrich. By T. Spenceb Cob- 

 bold, M.D., E.E.S., E.L.S. (Plate IV.) 184 



II. The Asteroidea of H.M.S. ' Challenger ' Expedition. — 

 Part I. Pterasteridse. By "W. Peect Sladen, E.L.S., 

 E.a.S 189 



III. MoUusea of H.M.S. 'Challenger' Expedition.— Part XI. 

 Pleurotomidae {continued). By the Eev. Kobebt 

 BooG Watson, B.A.,JF,R.S.E., E.L.S 247 





LONDON: 



SOLD AT THE SOCIETY'S APiLRTMENTS, BURLINaTON HOUSE, 



PICCADILLY, W., 



A3ST) BY 



LONGMANS, GEEEN, EEADER, AND DYEE, 



AKD 



WILLIAMS AND NOEGATE. 



1882. 



