PuateE 11. 
1-48. Podophora pedifera Agass. 
1-48, Spines, from a specimen 82 mm. in diameter. 
ils 
PRPAAMAP wp 
e 
o 
33. 
. Spine, top view 
. Spine, profile 
. Spine, top view 
. Spine, upper surface 
Spines seen in profile, taken from the left posterior ambulacrum towards the apical 
system. 
Spine, from a poriferous plate of the buecal membrane. 
. Spine, from the first plate at the actinal system of the odd anterior ambulacrum. 
Spine, from the second plate, of the left anterior interambulacrum. 
Spine, from the third plate, of the left anterior interambulacrum. 
Spine, from the third plate, in the odd anterior ambulacrum. 
. The profile of the same spine as 6. 
. Spine, from the fourth plate of the left anterior ambulacrum. 
. Spine, ( upper surface 
. Spine, { 
11. 
. Spine, upper surface > from the fifth plate of the odd anterior ambulacrum. 
. Spine, profile these larger radioles vary in length from 15 18 mm. 
. Spine, lower surface 
5. Spine, upper surface + from the sixth plate of the odd anterior ambulacrum, 
. Spine, profile 
. Spine, lower surface 
. Spine, upper surface 
i from the fourth plate of the odd anterior ambulacrum. 
lower surface 
Spine, lower surface ) at the ambitus. 
; from the seventh plate of the odd anterior ambulacrum. 
. Spine, profile 
. Spine, lower surface 
from the tenth plate of the left anterior interambulacrum. 
Spine, lower surface 
. Spine, upper surface > from the eighth plate of the odd anterior ambulacrum. 
. Spine, lower surface 
. Spine, top view 
from the eleventh plate of the left anterior interambulacrum. 
. Spine, profile 
. Spine, lower _ 
from the twelfth plate of the odd anterior ambulacrum. 
. Spine, profile 
. Spine, lower surface 
from the thirteenth plate of the odd anterior ambulacrum. 
Spine, profile 
The plates from which the spine is taken are counted from the actinal system. 
34. 
Spine, lower surface 
36. Spine, profile 
35. Spine, upper or from the ocular and genital plates. 
