Natural history . ace of typical S. caminatus R. & D., showing stellate poral areas (x 25).Fig. IB.—Surface of S. caminatus R. & D. var. papillatus, var. n., showing papillated stellate poralareas ( X 25), p. 20. PLATE XVI. Fro. 1.—Joyeuxia belli Kirkp., nat. size, p. II. ¥iCr. 2.—Section of same throngh a poral tnbc, (cortex and cijoanosome (X 10). FiOr. 3.—End of a larger poral tube, .showing poral sieve ( X 10). Fm. 4.—Style (rare) (X 100). Fig. 5.—Strongyle (x 100) ; (»a, further enlarged. Tia. fi.—Stylocordyla borealix Tvovcn var. acnata var. n., nat. size, p. 22. Fi&. 7.—Ectosomal micro-
Natural history . ace of typical S. caminatus R. & D., showing stellate poral areas (x 25).Fig. IB.—Surface of S. caminatus R. & D. var. papillatus, var. n., showing papillated stellate poralareas ( X 25), p. 20. PLATE XVI. Fro. 1.—Joyeuxia belli Kirkp., nat. size, p. II. ¥iCr. 2.—Section of same throngh a poral tnbc, (cortex and cijoanosome (X 10). FiOr. 3.—End of a larger poral tube, .showing poral sieve ( X 10). Fm. 4.—Style (rare) (X 100). Fig. 5.—Strongyle (x 100) ; (»a, further enlarged. Tia. fi.—Stylocordyla borealix Tvovcn var. acnata var. n., nat. size, p. 22. Fi&. 7.—Ectosomal micro-styles (X 100); 7a (x 500). Fig. 8.—Smaller oxea of the bead of the sponge (x 100). Fig. 9.—Heteroxea ( X 100). Fig. 10.—Lttrge oxea of stem, with central 8\vclling (x 100). Figs. 11, 11a.—Suhwites camhuitus K. & D. vw:. pajjillatus n. var., nat. size, p. 20. 12.—Cortical tyle (X 100). Fig. 13.—Ditto (x 100). Fig. 14.—Tyle from radiating skeletal fibre (x 100).. Aritarctic (Dis coveryj Exp. Spongefj PI. 16 P Hiyhlev,London, PLATE XVII. Fig. 1.—GrlUufi nulis Topsent, p. 45. Fig. la.—Section of game ( X 5). Fig, 2.—Gellins fimhriatns Kirkp., nat. size, p. -lO. Fig. 2a.—Section of same ( X 5). Fig. 3.—Gelliuspilosus Kirkp., nat. size, p. i7. Fig. 3a.—Section (x ii). Fig. 4.—Gellius fflacialifi var. ntvca llidley and Dendy, nafc. size, p. 49. Fig. 6.—Gellius cucurhitiformis Kirkp., nat. size, p. is. Fig. oa.—Another specimen of same, nat. size. Fig. 6b.—Surface (X Gn). Fig. oc—Section (x C5). Fif;. 6.—Sigmaxinyssaphahellioiihs Kirkp., uat. size, p. ;.
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