. Coxal glands of the arachnids. Arachnida -- Anatomy. Coxal glands of the Arachnids. 247 m IV Diagram B. Comparison between the coxal glands of the scorpions, pedi- palps and spiders. 1. Scorpions. The saccule {S) surround- ed by the labyrinth coils, which termi- nate in a vesicular dilatation and an outlet on appen- dage V. the saccule the coiled labyrinth tubule ex- tends posteriorly as far as appendage VI, where it turns and runs straight for- wards to the outlet on appendage III. 3. T h e r a ]) h 0 s i d spiders The two saccules on appen- dages III and V communicate with
. Coxal glands of the arachnids. Arachnida -- Anatomy. Coxal glands of the Arachnids. 247 m IV Diagram B. Comparison between the coxal glands of the scorpions, pedi- palps and spiders. 1. Scorpions. The saccule {S) surround- ed by the labyrinth coils, which termi- nate in a vesicular dilatation and an outlet on appen- dage V. the saccule the coiled labyrinth tubule ex- tends posteriorly as far as appendage VI, where it turns and runs straight for- wards to the outlet on appendage III. 3. T h e r a ]) h 0 s i d spiders The two saccules on appen- dages III and V communicate with the coiled labyrinth tubules and through them with the two outlets on III and V. The exact relations of the labyiinth with the saccules and outlets have not been determined. 4. Aran eae verae. Group 2. The Hun- ting Spiders. The saccule is exten- sive but tlie tubule leading from it poste- riorly has become straigliteued out and the walls so thinned down that they often CI appear fused with the saccule. The tubule leading anteriorly to the outlet on appendage III is s-reatly dilated and appears to act only as a vesicle since the lining cells have lost their striation. 5. Araneae verae. Web Spinners. The saccule is well preserved but the labyrinth has become fused with it, with the exception of a short vesicular portion leading to the exit tubule and outlet on appendage III. 17 Zool. Jahrb., Supplement Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Buxton, Bertram Henry, 1852-1934. Jena, G. Fischer
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