NAT whe 
sO 9 
10. 
te 
16. 
PLATE 26. 
1-16. Podophora atrata Agass. 
Abactinal system, denuded of spines, of a specimen measuring 8 mm. in diameter. 
The same, measuring with spines 14 mm. in diameter. 
Abactinal system of a specimen measuring with spines 74 mm. in diameter, and 
denuded 45 mm. 
Abactinal system, covered with spines, of a specimen measuring 77 mm. in diameter. 
Anal system of a specimen 8 mm. in diameter. 
Anal system of a specimen 14 mm. in diameter. 
Anal system of a specimen 26 mm. in diameter. 
Anal system of a specimen 45 mm. in diameter. 
The auricles of the right anterior ambulacrum, seen from the interior of the test of a 
specimen 8 mm. in diameter. 
The auricles of the left posterior ambulacrum, looking towards the actinostome, same 
specimen as 9. 
Actinal part of the odd posterior interambulacrum, interior view of a specimen 8 mm. 
in diameter. 
Auricles of the odd anterior ambulacrum, seen from the interior of the test of a speci- 
men 14 mm. in diameter. : 
The same ambulacrum as 12 from a specimen 45 mm. in diameter. 
Part of the odd anterior ambulacrum, seen from the interior. 
Exterior view of the ocular and ambulacral plates of the left posterior ambulacrum of 
a specimen 8 mm. in diameter. 
The same seen from the interior. 
Figures 1, 5, 9-11, 15 and 16, are drawn from the same individual. 
Hawaiian Ids., A. Garrett Coll. 
