EXPLANATION OF PLATES 225 



Plate XIll 



Figure 1. Chtetastcr iwdosiis Perricr. Ventral view. About 4/5 natural 



size. 

 Figure 2. Tlie same siieeinien. Dorsal view, 4/5 natural size. 



Plate IX 



Figure 1. OrtluLsttritus subangidosa Verrill. Under side of middle of a 

 ray, X 5 



Figure la. The same specimen. Dorsal side, X 5 



Figures 2, 2a. Stephanasterias gracilis (Perrier). Under side of portions 

 of a ray, X 10 



Figure 2h. The same. Dorsal side, X 10 



Figure 2r. The same. Jaw and under side of disk, X 10 



Figure 3. .S'. hehes Verrill, nov. Tyj.e (No. 18,426). Under side of por- 

 tion of a ray, X 10 ■ 



Figure 4. Coroitaster hriureus Verrill. Dorsal side of disk and bases of 

 rays, of a specimen from station 61, Bahama expedition ; X 5 



Figure 4«. The same specimen. Under side of bases of three rays and 

 jaws of an alcoholic specimen; X 10 



Figure 4&. The same. Two of the dorsal spines with groups of minor 

 pedicellaria', X about .30 



Figiire 4c. The same. One of the large felipedal pedicellariae. Much en- 

 larged 



Plate X 



Figure 1. Anthcnoidcn pcircci Perrier. Under side of a jiortion of a very 



young specimen, same as jilate iii, figure 2; X 3 

 Figure lo. The s;iuie speciMirn. Dorsiil side, X 3; ii, nephridial or dorsal 



pore. 

 Figure 1?^. Tlic sunie sjiccimon. A(hinibula('r:il spines, X 7. 

 Figures 2, 2a. The same sjiecies. Under side of a ray of a young speci- 

 men, but considerably older than that of figure 1 ; X 3 

 Figures 2b, 2r. The same. Dorsal side of a ray, X 3 

 Figure 2d. The same specimen. Adambulacral spines, X 7 

 Figure 2c. The same. Adambulacral spines in profile; /, furrow-comb; c, 



row on actinal fiice; X 7 

 Figure 2/. The same S])0('imcu. Two bivalve pedicellariir, P.P', and ad 



jacent interactinal plates; X IS 

 Figure 3. Bhecjasttr hurcalis Verrill. Type. No. 343. Yale. Part of the 



ventral side of a ray, X 5 

 Figure 3o. The same specimen.- Group of dorsal papular pores, X 8 

 Figures 4, 4a. Foraiiisca lepidm A'errill. Tri)e. Station 2269. Ventral 



and dorsal sides, X .5 

 Figure 4b. The same. One of the inferomarginal plates and group of 



spinules. See also j)l. iv, figs. 3-7. 



