PLATE Till. 



Fig. ]. — Craniella smjitta (Lendenfeld) var. luirroniiiHia, ii. var., \ uat. size, p. 1. 



Fig. 2. — Surface at junction of poral and nou-jioi'al or oscular zones (x 2). 



Fig. 8. — Section showing poral areas and sub-dennaJ spaces ( x 6). 



Fig. 4.— Eurypylous flagellated cliambers opening into terminal exhalant canal ( x 12o). 



Fig. .').— Anathaene (x 50). Sa, Cladome of same (x 100). 



Fig. fi. — Cladome of anatriaene with straighter cladi than 5a (x 1(10). 



Fig. 7.— Anatriaene with short, thick cladi (x 50). Cladome of same (x 1C<|). 



Fig. 8. — Protriaene (x 50), 8a, cladome of same (x 160). 



Fig. 9. — Cladome of protriaene with equal cladi ( x 1 (50). 



Fig. 10.— Large oxea ( x 50). 



Fig. ] 1 .^Trichodal protriaene (x 160). 



Fig. 12.— Sigmata ( X 700); 12a, the same (x IKXi). 



Fig. 13.— Cortical oxea (x 50). 



Fig. \i.— Craniella sagitia vnv. pachyrrhabdus, n. vnr. Style (x 50). 



Fig. 15. — Strongylc ( x 50). 



