EXPLANATION OF PLATES 



Plate I 



Figure 1. Coronaster Ijrtareus Verrill. Dorsal side, X IV2 



Figure 2. The same specimen. Ventral side, X IV2 



Plate II 



Figure 1. Orthasterias subangulosa Ver. Ventral side, X 2 



Figure 2. The same specimen. Dorsal side, X 2 



Plate III 



Figure 1. Porania ( ?) austera Ver. Type. Ventral side, X 1% 



Figure la. The same specimen. Dorsal side, X 1% 



Figure 2. AntJienoides peircei Per. Young. Ventral side. Much enlarged 



Figure 3. Stegnaster wesseli (Per.), Ventral side, X 1% 



Figure 3a. The same. Dorsal side, X 1% 



Figure 4. Blakiaster conicus Per. Ventral side, X 1% 



Figure 5. Asterinides folium (Dutk.). Ventral side, X 2% 



Plate IV 



Figure 1. Echinaster spinulosus Verrill. From West Florida. Under side, 

 natural size. Type 



Figure 2. The same. No. 7395, Yale Mus. Dorsal side, natural size 



Figures 3-7. Poranisca lepidus Ver. Cotypes. Young of several sizes; 

 dorsal and ventral sides; all from one locality. See Annals and Mag- 

 azine Nat. Hist., vol. xix, page 19, pi. 1, fig. 3, Jl., 1914c. See also pi. 

 X and pi. XV, below. 



Plate V 

 Figure 1. Luidia marcgravii Liitken, No. 1343, Yale Mus. Cotype from 



Liitken. Dorsal side. About % natural size. 

 Figure 2. Lophaster radians Per. Bahama Exped., station 64. Ventral 



side of an alcoholic specimen, X 2^/4. See also pi. vii, fig. 3 and pi. xi, 



figs. 1-lc. 



Plate VI 

 Figure 1. Pectinaster gracilis Ver. Type. No. 10,564. Dorsal side, X 2 

 Figure 2. Pectinaster mixtus Ver. Type. No. 10,226. Dorsal side, X 2 



Plate VII 

 Figures 1, la. Poraniella regularis Ver. Type. No. 10,190 N. M. Dorsal 



and ventral sides, X 1%. See also pi. xv, figs. 5, '5a, details 

 Figure 2. Enoplopatiria marginata Hupe, from Brazil. Dorsal side, X 



1%. No. 1341, Yale, from Liitken. 

 Figure 3. Lophaster radians Per. Dorsal side, y^ natural size. 

 Figure 4. Pteraster caribbceus Per. No. 18,415, N. Mus. Ventral view, 



X 2 



