PLATE VIII. 



FIG. 1. Craniella sagitta (Lendenfeld) var. iiiiirosif/niti. n. var.. f n,at. size, p. 1. 



FIG. 2. Surface at junction of poral and iion-poral or oscular zones (X 2). 



FIG. 3. Section showing poral areas and sub-dermal spaces ( x 6). 



FIG. 4. Eurypylous flagellated chambers opening into terminal exhalaut canal (x 425). 



FIG. 5. Anatriaene(x 50). 5a, Cladome of same ( X ICO). 



FIG. 6. Cladome of anatriaene with straighter cladi than 5a ( X 1 60). 



FIG. 7. Anatriaene with short, thick cladi (x 50). Cladome of same (x 16<>). 



FIG. H. Protriaene (x 50), Sa, cladome of same (X 160). 



FIG. 9. Cladome of protriaene with equal cladi (X 160). 



FIG. 10. Large oxea (x 50). 



FIG. 11. Trichodal protriaene ( x 160). 



FIG. 12. Sigmata (x Too); 12a, the same (x 14on). 



FIG. 13. Cortical oxea (X 50). 



FIG. 14. Cranifllii sagitta var. pachyrrhiibd us, n. var. Style (x 5o). 



FIG. 15. Stronsryle ( X 50). 



