Figure 26. Rhynchozoon glabrum n in Intertidal Bryozoa (Cheilostomata) of Ketchikan, Alaska

Figure 26. Rhynchozoon glabrum n. sp.: (A) group of marginal zooids showing suboral avicularian chamber at several stages of formation; (B) group of marginal zooids with bulbous suboral avicularian chamber; (C) enlargement of orifice; (D) group of ovicellate zooids showing stages of ovicell formation, beginning with extension of endooecium (lower right) into space left for ovicell during development of distal zooids; note that some zooids have a proximal marginal avicularium, whereas others lack one; (E) enlargement showing ovicells; (F) group of zooids with up to three marginal avicularia each. All specimens bleached. Scale bars: 500 Mm (A, B, D, F); 50 Mm (C); 250 Mm (E).