Ml 



EXPLANATION OF THE PLATES. 



Plate 



I. 

 IT. 



in. 



IV. 



^ Steomatopoba. — Microscopical structm'c of species of, as well as of 

 the genei'a Coenostroma, Caunopora, ClatJirodictyon, Stylodictyon, 

 Stromatocerkim, PacJiystroma, doubtful Stronaatoporoids, and 

 fossil EscTiara nohilis. To illustrate Prof. H. A. Nicholson and 

 Dr. J. Murie's paper on Stromatapora and its allies. 



V. HiPPiDEA. — Exterior and details of examples of genera and species 

 of this peculiar group of the Anomurous Crustacea, as revised 

 by Mr. Edw. J. Miers. 



c Elk. — Illustrations of larynx, digestive organs, and male genitalia 

 ' \ of Cerms malchis, as described by Prof. M. Watson and Dr. A. 

 I H. Yoimg. 



VIII. KoEEAN EcHiNODEEMATA. — Extcrior and minute structure of genera 

 and new species illustrative of Asteroidea and Echinoidea described 

 by Mr. W. P. Sladen. 



IX. I KoEEAN Ophiueoidea. — Magnified structural peculiarities of disk 

 X. j and arms of new species of Oj)hiurans, illustrating Prof. P. M. 

 XI. i Duncan's paper thereon. 



fOxYEHTNCHA. — Enlarged views, structure of orbital and antennal 

 regions of the Maioid Crabs (Oxyrhyncha), illustrating Mr. 

 Edw. J. Miers's classification and synopsis of these forms of 

 Brachyura. 



XIV. MOEEHUA MACEOCEPHALA. — Keduced figure of this rare Cod-fish 

 captured at mouth of Thames, and described by Mr. F. Day. 



XV. Heteeopoea. — Exterior and microscopical sections of recent species 

 of this genus of Polyzoa as described by Prof. Gr. Busk. 



