510 



INDEX. 



Protochorda, recent work on, by 

 Willey, 223 



Shipley, note on Arliynchus 



hemignatlii, 361 

 Sphenodon, development of, by Arthur 



Dendy,-1 



Spongilla lacustris, the larva of, 

 by Evans, 363 



Tanganyika and Spekia, by Moore, 

 155 



Willey on Protochorda and Eutero- 

 pneusta, 223 



Sphenodon, parietal eye of, by Dendy, ', Xenia and Heteroxenia, by Ash- 



Ill 



worth, 245 



PRINIEl) BY ADI-AHD AND SON, 

 BARTHOLOMEW CLOSE, E.C., AND 20 IIANOVRR SQUARE, W. 



