6. 
Puate 18. 
1-6. Salenia miliaris A. Ag. 
oC 
The same specimen as Pl. 16, figs. 5, 6, Station 3362, measuring 10 mm. in diameter, 
seen facing the odd anterior ambulacrum with 5 adjoining primary interambulacral 
tubercles. 
The same as fig. 1, seen facing the left anterior interambulacrum. 
The same specimen as Pl. 17, figs. 1, 2, Station 3360, measuring 13 mm. in diameter, 
seen facing the odd anterior ambulacrum, with 7 and 6 adjoining primary 
interambulacral tubercles. 
The same as fig. 6, seen facing the left anterior interambulacrum. 
Seen facing the odd anterior ambulacral area of a specimen measuring 17 mm. in 
diameter, with 7 and 8 adjoining primary interambulacral tubercles; Station 3360. 
The same as fig. 5, seen facing the left anterior interambulacruin. 
| 
ee eee 
