. An introduction to zoology, with directions for practical work (invertebrates). 122 INTRODUCTION TO ZOOLOGY They are laid in little horny capsules, which are fused together in a sponge-like mass, often in clusters of a hundred or more. Each capsule contains 500 to 600 eggs, but only a small number of these develop. The eggs are laid in the autumn, but the little larvae do not leave the egg-case until the spring. They are able at first to swim freely in the water. Nasm reticulata, the lls^^^. Dos Whelk, may be. Fig. 76.—Buccinum undutum. A small Cluster of Egg Cap- sules. may low tide Dog fou
. An introduction to zoology, with directions for practical work (invertebrates). 122 INTRODUCTION TO ZOOLOGY They are laid in little horny capsules, which are fused together in a sponge-like mass, often in clusters of a hundred or more. Each capsule contains 500 to 600 eggs, but only a small number of these develop. The eggs are laid in the autumn, but the little larvae do not leave the egg-case until the spring. They are able at first to swim freely in the water. Nasm reticulata, the lls^^^. Dos Whelk, may be. Fig. 76.—Buccinum undutum. A small Cluster of Egg Cap- sules. may low tide Dog found near mark crawling over the rocks or sand at the bottom of the water, or completely buried in the sand except for its waving. 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 Lulham, Rosalie Blanche Jermaine. London, Macmillan
Size: 2006px × 1246px
Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1910, bookpublisherlondo, bookyear1913
