Figure 1 in Intertidal Bryozoa (Cheilostomata) of Ketchikan, Alaska

Figure 1. Membranipora villosa Hincks. (A) ''Membranacea'' form, weakly bleached; (B) ''serrilamella'' form, bleached; (C) ''villosa'' form; unbleached; note acute chitinous spines at proximal corners and cuticular spines on frontal membranes; (D) ''villosa'' form; same colony as (C) after bleaching, showing weakly denticulate cryptocyst; (E) ''villosa'' form from Sitka, Alaska; weakly bleached specimen with zooids showing both denticulate cryptocyst and cuticular spines on frontal membrane; (F) ''villosa'' form from Sitka, Alaska; same colony as (E), with zooids showing coarse, highly denticulate cryptocyst. Scale bars: 500 Mm (A–C, E, F); 400 Mm (D).