. Morphological and systematic studies on the cheilostomatous Bryozoa . a is seen from the distal end,and also the forked distal walls and fourintersected stalk-like proximal ])arts. X transverse section through a branch ofthe same species, approximately tlirongh themiddle of the wider distal part of a pairof zoiecia. X 55. Oncboporella bomhyciiui liusk). X sagittal section throngii two zocecia of thesame species with ocicia, ekto — the ecto-0(ccium, The cryptocyst removed, X 40,A sagittal section thrmigh two zoacia, fur-nished with radical librcs. The one descend-ing part of tlie di
. Morphological and systematic studies on the cheilostomatous Bryozoa . a is seen from the distal end,and also the forked distal walls and fourintersected stalk-like proximal ])arts. X transverse section through a branch ofthe same species, approximately tlirongh themiddle of the wider distal part of a pairof zoiecia. X 55. Oncboporella bomhyciiui liusk). X sagittal section throngii two zocecia of thesame species with ocicia, ekto — the ecto-0(ccium, The cryptocyst removed, X 40,A sagittal section thrmigh two zoacia, fur-nished with radical librcs. The one descend-ing part of tlie distal wall is seen, X 40,Two zofecia of the same species with radicalfibres, from the basal surface, X 40A part of the margin of a colony, X 40,Zofccia of the same .species with developingocccia. X 40. Transverse sections of two zocecia and of akenozofecium. X 40. The first beginning of an ocecium. X oiccium, a little oiecium, in which the basal sur-face of the crvplocyst is almost 00. ^. (/f,Jjrf/o I Of/. p/.xm. / ft//fi/t//ii/u fiurii/crosi/rn Oa/r^/. /or///os(i .^Uic-. ,\ ^/./}7/f///r /i/.irft Jliir 0///? J iy//i-y//r ro/v/t/Ja //i/.rA (i CWlH-elliaderi-f-a/nMac Gill. 7.(fi/H:Stnr/fi/rii fitrsk. *tf,vA:. Plate XIV 398 Plate XIV. l-iK I ??- — lb. — 1 C-. — Id. — 1 — 1 — 2 b. — 2d — 2e22( - 2 f. Adeorrn tnotacfii .loliiist . Numerous marginalzoafia are seen, the frontal wall of whichis still uncakified. X 28. Four zoiecia of the same species. On two ofthe zod-cia the aviculariuui is re|)laced byan elongated cavity which opens by meansof a round pore. X 40. Three zoiccia of the same species, from thebasal aspect, after removal of the basal sur-face. The primary aperture and the of the secondary are seen. X gonozocccia of the same species. Theyare furnished with a similar cavity insteadof avicularium, like the two zocecia in
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Keywords: ., bo, bookcentury1900, bookdecade1900, bookidmorphologicalsys00levi
