Fig. 
Fig. 
. Ctenodiscus crispatus (p. 64), from above 
DESCRIPTION OF THE PLATES. 201 
. 2-5. Side views of arms to show the variations in the form of 
the joints of the arms and of the pinnules; figs. 2-4 x 4, 
fig. 5 x5. 
. 6-8. Different forms presented by the cirri, x 4. 
PLATE X. 
> \ nat. size. 
te ‘ from below, 
* ; superomarginal plates to show the 
irregularity in the disposition of the spines, x 2. 
Pentagonaster granularis (p. 73), from above, nat. size. 
Upper surface of portion of disk of P. granularis, x 3. 
. Lower surface of the same, x 3. 
. Porania pulvillus (p. 79), from above, 
from the side, } nat. size. 
. Asterina gibbosa (p. 82), from above, nat. size. 
Ee ig portion of lower surface, x 2 
Prats XI. 
Fig. 1. Astropecten sphenoplax (p. 68), from above, nat. size. 
Figs. 2 
mo bw 
OV oo bo 
& 3. Views of the arms of different specimens seen from 
below to show the variations in the form of the marginal 
plates, x 4. 
Prare XII. 
. Asterias murrayi (p. 103), from above, to show the general 
appearance of the species, nat. size. 
. Portion of arm, seen from above, to show the character of 
the spinulation, x 2. 
. Asterias hispida (p. 103), seen from above, nat. size. 
An arm of Asterias hispida, seen from above, x 3. 
Prats XIII. 
. Ophaocten sericeum (p. 113), from above, to show the mode 
of scaling of the disk, x 2. 
. Mouth-shield and papille of the same, x 6. 
. Ophiocnida brachiata (p. 116), nat. size, to show the general 
form of the species, seen from below. 
. Portion of disk of the same, from above, x 4. 
. Upper view of part of an arm of the same, x 6. 
iy 
