f 



Plate 18. 

 1-6. Salenia miliaris A. Ag. 



1. The same specimen as PL 16, figs. 5, 6, Station 3362, measuring 10 ram. in diameter,! 



seen facing the odd anterior ambulacrum with 5 adjoining primary interambulacralj 

 tubercles. 



2. The same as fig. 1, seen facing the left anterior interambulacrum. 



3. The same specimen as PI. 17, figs. 1, 2, Station 3360, measuring 13 mm. in diameter! 



seen facing the odd anterior ambulacrum, with 7 and 6 adjoining primarj 

 iuterambulacral tubercles. . 



4. The same as fig. 6, seen facing the left anterior interambulacrum. y 



5. Seen facing the odd anterior arabulacral area of a specimen measuring 17 mm. i' 



diameter, with 7 and 8 adjoining primary iuterambulacral tubercles; Station 3360. 



6. The same as fig. 5, seen facing the left anterior interambulacrum. 



