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Oblique transverse sections through the proboscis (a, at the level of the proboscis sheath; b, at the level of the bulb).
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A. Habitus of free-swimming animal; B, general organisation from living animal; C,cuticular part of copulatory organ; D, insemination ducts (C and D from whole mount, holotype, scale line = 1?m)
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1. View of a slightly-squeezed animal; 2. Oblique sagital section through the proboscis; 3. Reconstruction of the animal from one series of oblique sagital sections (from the right side) (freehand); 4. Cuticular bursal piece (camera lucida).
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A. General organisation (from a live specimen). B-C. Cirrus. D. Insemination duct.
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Fig.1. Habitus of a slightly-squeezed animal. Fig.2. Oblique section through the proboscis. Fig.3. Reconstruction of the animal from oblique sagital sections (from the right-hand side)(frre-hand drawing). Fig.4. Cuticular bursal piece (camera lucida drawing)
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Longitudinal section through the proboscis.
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View of a slightly-squeezed live animal (free-hand drawing)
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1. Reconstruction of the animal from a series of longitudinal sections (camera lucida); 2. Stylet from a heavily-squeezed animal (camera lucida); 3. Cuticular bursal piece (camera lucida).
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115. Slightly-squeezed animal; 116. Organisation scheme after a squeezed specimen, completed (both free-hand).
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Reconstruction o fthe atrial organs from the left side from sagital sections, 745x.
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1. Habitus of a free-swimming animal; 2. Proboscis of a squeezed specimen (drawn by Westblad); 3. Bursa with ductus spermatici from squeezed specimens (drawn by Westblad); 4. Sagital scheme; 5. Proboscis, sagital reconstruction.
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Longitudinal section through the proboscis
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2. View of a swimming animal a) from beside; b) from above; 3. Proboscis after a series of oblique sagital sections (camera lucida)
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1. View of a squeezed animal; 2. Para-sagital oblique section of the proboscis showing the glandular ampules (camera lucida); 3. Pharynx (1/2) after a series of oblique sagital sections (camera lucida); 4. Cuticular bursal piece (camera lucida).
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7. Squeezed live animal. 8. Longitudinal section through the proboscis. 9a. Cuticular spermatic ducts. 9b. Pattern formed by the cuticlar wall of the vagina. 10a. Cirrus, from a whole-mount. 10b. Reconstruction pf the copulatory organ, from a series of frontal sections. 10c. Longitudinal section through the cirrus.
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11. Squeezed live animal. 12.a cirrus, in a whole-mount. 12b. detail of a part of the cirrus. 13 cuticular spermatic ducts. (Figures 12 and 13 are at the same scale).
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Fig.2. Live squeezed animal. Fig.3. Copulatory organ, from a whole-mount.
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Transverse section through proboscis at the level of the base of the cone.
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Fig. 68. Combined horizontal section; cone of proboscis extended Fig. 69 Combined median section ; cone of proboscis retracted
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Longitudinal section through the proboscis.