Plate 26. 



1-16. Podophora atrata AgasB. 



1. Abactinal system, denuded of spines, of a specimen measuring 8 mm. in diameter. 



2. The same, measuring with spines 14 mm. in diameter. 



3. Abactinal system of a specimen measuring with spines 74 mm. in diameter, and 



denuded 45 mm. 



4. Abactinal system, covered with spines, of a specimen measuring 77 mm. in diameter. 



5. Anal system of a specimen 8 mm. in diameter. 



6. Anal system of a specimen 14 mm. in diameter. 



7. Anal system of a specimen 26 mm. in diameter. 



8. Anal system of a specimen 45 mm. in diameter. 



9. The auricles of the right anterior ambulacrum, seen from the interior of the test of a 



specimen 8 mm. in diameter. 



10. The auricles of the left posterior ambulacrum, looking towards the actinostome, same 



specimen as 9. 



11. Actinal part of the odd posterior interambulacrum, interior view of a specimen 8 mm. 



in diameter. 



12. Auricles of the odd anterior ambulacrum, seen from the interior of the test of a speci- 



men 14 mm. in diameter. 



13. The same ambulacrum as 12 from a specimen 45 mm. in diameter. 



14. Part of the odd anterior ambulacrum, seen from the interior. 



15. Exterior view of the ocular and ambulacral plates of the left posterior ambulacrum of 



a specimen 8 mm. in diameter. 



16. 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. 



