CONTENTS. VU 



II. On Chromatophagous and other Intracellular Parasites in the Intestine of 



Necturus Lateralis 252 



III. On Certain Structures in the Pancreatic OeUs of Amphibia 253 



Methods of Study 257 



Observations 260 



1 . Parasites • 261 



2. Karyolytic and Cytolitic Products 265 



,3. Migrated or Extruded Plasmosomata 267 



4. Zymogenesis 269 



Appendix 272 



Plate I To face 275 



Plate II To face 277 



List of Members 279 



Exchanges ■ • 282 



