. The cyclopædia of anatomy and physiology. Anatomy; Physiology; Zoology. Ptygura meUcerta. (After Ehrenberg.) 1, partially expanded; 2, completely expanded, the cilia in action causing currents indicated by the arrows; 3, contracted. a, a, a, contractile vesicle; 6, situation of the anal orifice. of teeth for chewing (fig. 289. a, a), two pan- creatic glands. Ova and ovaria have been Fig. Conochilus volvox. (After Ehrenberg.} a, a, jaws and teeth ; b, b, papilla;; c, c, c, c, glands; d, d, ovarium. observed in the two forms of which the family consists. Vessels, two filiform tremulous o

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. The cyclopædia of anatomy and physiology. Anatomy; Physiology; Zoology. Ptygura meUcerta. (After Ehrenberg.) 1, partially expanded; 2, completely expanded, the cilia in action causing currents indicated by the arrows; 3, contracted. a, a, a, contractile vesicle; 6, situation of the anal orifice. of teeth for chewing (fig. 289. a, a), two pan- creatic glands. Ova and ovaria have been Fig. Conochilus volvox. (After Ehrenberg.} a, a, jaws and teeth ; b, b, papilla;; c, c, c, c, glands; d, d, ovarium. observed in the two forms of which the family consists. Vessels, two filiform tremulous or- gans (called by Ehrenberg "gills"); nervous D D. 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 Todd, Robert Bentley, 1809-1860. London, Sherwood, Gilbert, and Piper

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Keywords: ., bo, booksubjectanatomy, booksubjectphysiology, booksubjectzoology