Gangesia bengalensis (Southwell, 1913) from Wallago attu, India. A.

Scolex, dorsoventral view (MHNG-PLAT 82308, field no. AA 133B). B. Rostellar hooks (IPCAS C-616, field no. AA 133). C. Detail of retractor muscles. D, E. Mature proglottides, ventral view (IPCAS C-616, field no. AA 133 and MHNG-PLAT 60721, field no. 147/08). F. Gravid proglottis, ventral view (IPCAS C-616, field no. AA 133). G, H. Cross sections at level of testicular field and ovary, respectively (IPCAS C-616, field no. AA 133); note that subtegumental layer is not fully illustrated. I. Egg drawn in distilled water. Abbreviations: ba – base of hook, bl – blade of hook, cs – cirrus-sac, doc – dorsal osmoregulatory canal, eh – embryonic hook, em – embryophore, ga – genital atrium, hl – hooklets, ho – hooks, ilm – internal longitudinal muscles, lub – lateral uterine branch, oe – outer envelope, on – oncosphere, ov – ovary, re – retractor muscles, ro – rostellum-like organ, sl – subtegumental layer, su – sucker, te – testes, us – uterine stem, uso – uterine slit-like opening, ut – uterus, va – vagina, vf – vitelline follicles, voc – ventral osmoregulatory canal, vs – vaginal sphincter.