Plate 96. 

 1-5. Paleopneustes cristatus A. Ag. 



1. Actinostome and surrounding plates of specimen measuring 140 mm. in length ; " Blake," 



1878-79, Station 132, off St. Cruz 115 fms. 



2. Same as fig. 1, seen from the interior of the test. 



3. Abactinal system and surrounding plates of specimen about 140 mm. ; " Blake,'' 1877-7S, 



off Havana 200 fms. 



4. Anal system of same. 



5. Primary tubercles with more or less imperfect serobicular rings. 



