. The cyclopædia of anatomy and physiology. Anatomy; Physiology; Zoology. POLYGASTRIA. 15 with them the materials for nourishment (Jig. 14), In the interior of the body the nutri- tive sacculi appear like so many little empty bags hanging from the mouth. The food of the Monads seems to consist entirely of par- ticles of decaying matter. Fig. Monas quttula, highly magnified, showing the direction of the nutritive currents. Dental system.—A very remarkable dental apparatus was discovered by Ehrenberg to exist in some of these diminutive beings, their presence being recognised in several dif
. The cyclopædia of anatomy and physiology. Anatomy; Physiology; Zoology. POLYGASTRIA. 15 with them the materials for nourishment (Jig. 14), In the interior of the body the nutri- tive sacculi appear like so many little empty bags hanging from the mouth. The food of the Monads seems to consist entirely of par- ticles of decaying matter. Fig. Monas quttula, highly magnified, showing the direction of the nutritive currents. Dental system.—A very remarkable dental apparatus was discovered by Ehrenberg to exist in some of these diminutive beings, their presence being recognised in several different species, viz. Euodon cucullus (Synonyme, Kol- poda, Loxodes cucullus), Nassula ornata, Nas- sula eleguns, Nassula aurea, Prorodun niveus, Prorodon compressus, and others. Both in their form and connexions these teeth are very remark- able, presenting the appearance of a long slender cylinder or hollow cone, situated at the entrance of the mouth, around which they form a closely approximated series (fg. 15). These teeth Fig. 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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