CONTENTS. 



PART III.— July, 1876. 



VI. On thirty -one Species of Marine Flanarians, collected partly by the late Dr. Kelaart, 

 F.L.S., at Trincomalee, and partly by Dr. Collingwood, F.L.S., in the Eastern 

 Seas. By Dr. Collingwood page 83 



VII. On the Structure and Development of the Bird's Skull. By W. K. Parker, 



F.R.S., F.B.S., 8fc. (Part II.) . 99 



