. Studies in general physiology. Physiology; Phototropism; Geotropism; Reproduction; Irritability; Regeneration (Biology). Aetifioial Parthenogenesis in Annelids 677 developed from one egg; No. 2 shows two trochophores which are grown together but are otherwise independent. In No. 3 we notice the beginning of a common organization, inasmuch as the clear peripheral areas (on the right side) are fused together. In Nos. 4, 5, and 6 the clear areas are almost com-. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloratio
. Studies in general physiology. Physiology; Phototropism; Geotropism; Reproduction; Irritability; Regeneration (Biology). Aetifioial Parthenogenesis in Annelids 677 developed from one egg; No. 2 shows two trochophores which are grown together but are otherwise independent. In No. 3 we notice the beginning of a common organization, inasmuch as the clear peripheral areas (on the right side) are fused together. In Nos. 4, 5, and 6 the clear areas are almost com-. 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 Loeb, Jacques, 1859-1924. Chicago, The University of Chicago Press
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