A. E. Verrill — Keio England Annelida. 32 ia 



EXPLANATION OF PLATES. 



[Volume 1Y, Article VIIL] 



My thanks are due to Professor S. V. Baird for tlie use of most of the drawings for 

 the following plates. They were made for the use of the U. S. Fish Commission by 

 Messrs. J. H. Emertou and J. H. Blake, under my direction. 



Plate III. 

 Figure 1. — Aphrodite aculeata Linne. From a small, living specimen, enlarged two 

 diameters. By J. H. Emertou. 



Plate IV. 

 Figure 1. — Lejridonotus squamatus Leach. Head and anterior part of the body, with 



the proboscis protruded ; one of the anterior scales has been removed to partially 



expose the head. Much enlarged. 

 Figure \a. — The same. End view of the proboscis. 



Figure 2. — Lepidonotus sublevis V. Dorsal yiew, enlarged nearly two diameters. 

 Figi'-re 'i — Mmyhysa Leidyi Quatr. Head and anterior part of body, dorsal view. 



Much enlarged. 

 Figure i. — Arabella opalina V. Anterior part of the body, enlarged live diameters. 

 Figure 4a — The same. One of the parapodia, much enlarged. 

 Figure 5. — Diopatra cuprea (Bosc). Head and anterior part of body; side view, 



showing the gills partially expanded. Enlarged two diameters. 

 Figure 5a. —The same. Ventral view, showing the pharynx everted so as to expose 



the jaws. Enlarged about two diameters. 

 Drawn from preserved specimens, by J. H. Emerton. 



Plate V. 



Figure 1.. — Xereis megalops V. (Xereis-forra=JV. alacris V.). Dorsal view of the head 

 and anterior part of body, and of the caudal segments and cirri (la). Enlarged 

 about three diameters, from a living specimen, Vineyard Sound, 1875. 



Figure 2. — The same. (Female, Heteronereis-form.) Dorsal view of head and ante- 

 rior segments ; the posterior dorsal tentacular ciri i are broken off. Enlarged 

 about five diameters, from a living specimen. 



Figure 3. — Nereis limbata Ehl. Dorsal view of the head and anterior segments, en- 

 larged about four diameters, from a living specimen. Vineyard Sound, 1875. 



Figure '3a. — The same. Caudal segments and cirri. 



Figure 4. — Fhyllodoce catenula V. Dorsal view of the entire worm, except the caudal 

 segment.s, which are broken ofE. Enlarged about three diameters, from life. 



Figure 4a. — The same. Head and protruded proboscis. 



Figure 5. — Phyllodoce Gronlandica ffirsted. Head and anterior segments, dorsal view. 

 Enlarged about four diameters, from a living example, Eastport, Me.. 



Figure 'i. — Eulalia pistacia V. Head and anterior segments, dorsal view. Enlarged 

 about eight diameters, from life. 



Figure 6a.— The same. Caudal segments and cirri. 



Figures 1 and 3 are by .T. H. Blake ; the rest V)y J. H. Emerton, 

 Trans. Conn. Acad., Vol. IV. 42a 



