604 REPORT OF COMMISSIONER OK FISH AND FISHERIES. [102] 



EXPLANATION OF PLATES. 



Unless otherwise stated, the flgares on all the plates were made by Mr. J. H. Emerton. 



Plate I. 



Fig. 1. Umbellula Bairdii V. Side view of the polyps and upper part of the stem, 

 natural size ; la, lower end of the stem and bulb of the same. 



Fig. 2. The same. Ventral view, showing tb« tentacles in partial retraction. 



Fig. 3. Umbellula Guntheri K. Ventral view of the polyps and upper part of the 

 stem, natural size. 



Fig. 3 a. The same. Dorsal view. 



Fig. 3 6. The same. Lower end of the stem and bnlb. 



