PLATES IN VOL. XIL 



Pi ATE I 1 



jj y New species of Caulerpa. 



III. Structure of Phanerogamous Plants. 



IV. British Sphseridiidae. 



V. New species of Calanidse. 

 VI. New British Crustacea. — Noctiluca miliaris. 

 VII. New species of Calanidae. 



j-j^' l- Microscopic Fossils from the Chalk. 



X. Scolanthus callimorphus. 

 XI. New species of Trigonia. 



XII. •) 



XIII. > Mechanism of Aquatic Respiration in Invertebrate Animals. 



XIV. J 



XV 1 

 vYj f The British species of Triton. 



XVII. Palmella prodigiosa. 



