PLATE XXI. 



Fig. 1. — Tedania va/rioJosa Kh'kp.,sp. n. | nat. size, p. 32. 



Fig. la. — Pore areas of same (x 3 0). 



Fig. 2. — Tedania coulmani Kirkp., p. .33. 



Figs. 3, 4, 4«. — lophon radiatus Topsent. Nat. size, p. 28. Ha, closed oscule, x 2. 



Fig. 4&. — Open oscule of same (x 10). 



Fig. 4c. — Pore area of same ( x 10). 



Figs. 5, 6a. — lophon spatulatus Kirkp., nat. size, p. 29. 



Fig. nb. — Oscule of same fully contracted, side view ( x 10). 



Fig. 56^ — Oscule of same, front view (x 10). 



Fig. 5o. — Pore area of same (x 10). 



Fig. fi. — lophon flahello-digitatus Kirkp. \ nat. size, p. 30- 



FiG. fiffl. — Branch of same, | nat. size. 



Fig. Ql. — Oscule of same, nat. size. 



Fig. 6c. — Pore avw of same ( x 6). 



