Line Drawing 1
 Figure 1. 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. Det... MoreFigure 1. 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. |
Line Drawing 2
 Figure 9. Outline of scoleces with retractor muscles of selected Gangesia taxa. B. Outline of the scoleces with retractor muscles of Gangesia agraensis. |
Photo Micrograph
|
Scanning Electron Micrograph
 Figure 2. Scanning electron photomicrographs of Gangesia bengalensis (Southwell 1913). A. Scolex, dorsovenral view. B, C. Detail of rostellum-like organ; note two rows of rostellar hooks. D. Sucker wi... MoreFigure 2. Scanning electron photomicrographs of Gangesia bengalensis (Southwell 1913). A. Scolex, dorsovenral view. B, C. Detail of rostellum-like organ; note two rows of rostellar hooks. D. Sucker with small hooklets on the outer rim. E. Detail of the outer rim of the sucker with hooklets. F. Detail of short, dense acicular filitriches on the rostellum-like organ. G. Detail of acicular filitriches and few capilliform filitriches on the sucker. H, Detail of capilliform filitriches and small gladiate spinitriches in between the suckers. I. Detail of gladiate spinitriches on the neck region. Scale bars: A -100 µm; B -10 µm; C, D -20 µm; E-I -µm. |