CONTENTS 



Pag. 

 The Pedipalpi, Ricinulei, and Opiliones (exc. O. Laniatores) 



collected by Mr. Leonardo Fea in tropical West Africa 



and adjacent Islands (With four Plates) 5 



On Stridulation in Crustacea Decapoda 56 



On the postembryonic Occurrence of the median "Dorsal Or- 



2;an" in Crustacea Malacostraca 66 



( 1 v- /^ ^■' 



