NOTOPLITES 



Fig. 



12. A, B. Notoplites elongatus (Busk). A. From St. 1563, Marion Island. B. One zooecium from the 



type, 87.12.9.67. Challenger St. 149, Kerguelen. C, D. N. elongatus var. calveti var.n. St. WS 237, 



edge of Patagonian Shelf. C. Bifurcation. One marginal avicularium is broken. D. Basal view of 



axillary avicularium and neighbouring structures. Zooecia lettered according to Harmer's scheme. 



Portions of avicularium on frontal surface of branch shown by dotted lines. E. N. crassiscutus sp.n. 



St. 160, Shag Rocks. Zooecia preceding bifurcation. The tip of the axillary avicularium shows at the 



side of the branch. 



ax.av. axillary avicularium, f.av. frontal avicularium. 



