. Alaska. Natural history -- Alaska; Scientific expeditions; Alaska. Fig. 45. Lumhrictllus $antcBclar(B. somite. There are no salivary glands. The brain (fig. 44) is remarkable for its length. In the most elon- gated the length is about thirty units, while the width at the center is only twelve units. The posterior margin is deeply emarginated and the two lobes show some slight secondary lobing(fig. 44). There are two lateral mus- cles, and each central lobe is attached by two muscu- lar strands. Sper77iathecce. — A con- traction at the middle di- vides the ampulla proper from the more muscula
. Alaska. Natural history -- Alaska; Scientific expeditions; Alaska. Fig. 45. Lumhrictllus $antcBclar(B. somite. There are no salivary glands. The brain (fig. 44) is remarkable for its length. In the most elon- gated the length is about thirty units, while the width at the center is only twelve units. The posterior margin is deeply emarginated and the two lobes show some slight secondary lobing(fig. 44). There are two lateral mus- cles, and each central lobe is attached by two muscu- lar strands. Sper77iathecce. — A con- traction at the middle di- vides the ampulla proper from the more muscular duct. Both parts of about equal size and bent to- ward each other in a knee- like manner. The glands at the base in the shape of a thin even disc, saucer-shaped, with the concavity toward the intestine. The connection with the intestine wide and rcflexcd. The form of the spermathccce varies but slightly in the specimens Fig. 46. LjimbriciUus santcEclart. 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 Harriman Alaska Expedition (1899); Washington Academy of Sciences (Washington, D. C. ); Harriman, Edward Henry, 1848-1909; Merriam, C. Hart (Clinton Hart), 1855-1942. New York, Doubleday, Page & company
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