PLATES IN VOL. I. 

 Plate I. 



: I ) 

 • / > British species of L 



jy" / Anatomy of Eolis. 



V. Development of Medusae. 

 VI. Development of Medusas. — Cypridina MacAndrei. 

 VII. Cypridina Adamsi. 

 VIII. Anacharis Alsinastrum. 



IX 1 



y' r Structure and Growth of Monocotyledons. 



XI. 1 



XII i New genera and species of Diatomacea?. 



XIII.-i 



yy' I Ventriculidse of the Chalk. 



xvi!J 



XVII. Spiridens Balfouriana. 

 XVII I. Grammitis blechnoides. 



XIX 1 



YY* } Gasteropodous Mollusca. 



