PLATE IX. 



Figures 



l-lo. — Eilhardia schulzei, n. 



yen. 



and 



T 



Diam. 



Portion of a vertical section, 



One half of an osculum (from within), 



Portion of the sieve-like surface, 



Two parenchymal triradiate spicules ; (b, embryonal), 

 (a) A triradiate spicule of the sieve-like surface, 

 (l>, <■) Two triradiate spicules of the convex surface, 

 (d) An oscular quadriradiate spicule, 

 Three oscular triradiate spicules, 

 Two .slender acerate spicules of the convex surface, 

 Five stout acerate spicules of the convex surface 

 embryonal), .... 

 9. Two acerate spicules of the osculum, . 



Minute acerate spicules of the sieve-like surface, . 



(d, 



