. Journal of morphology . d-ventral radial canal. X 55. Fig. 8. A^entral view of a larva of thirty-three days, in which the five pri-mary tentacles, the posterior pedicel, and the second, third, and fomth pedicels,to the left from the mid-ventral radial canal, are prominent. The first pedi-cels from the right and left ventral radial canals have appeared. X 29. Fig. 9. Dorsal view of embryo represented in Fig. 8, showing the threepairs of dorsal papillte. The first two, at the anterior end of the body, arerelatively large. The anus is guarded by two lateral, and one posterior, Fig.
. Journal of morphology . d-ventral radial canal. X 55. Fig. 8. A^entral view of a larva of thirty-three days, in which the five pri-mary tentacles, the posterior pedicel, and the second, third, and fomth pedicels,to the left from the mid-ventral radial canal, are prominent. The first pedi-cels from the right and left ventral radial canals have appeared. X 29. Fig. 9. Dorsal view of embryo represented in Fig. 8, showing the threepairs of dorsal papillte. The first two, at the anterior end of the body, arerelatively large. The anus is guarded by two lateral, and one posterior, Fig. 10. View from the right side of a larva of forty days, showing fiveprimary tentacles, the posterior pedicel, four well-developed pedicels to theleft from the mid-ventral radial canal, and the three dorsal papillae. In addi-tion, the sixth tentacle, and the first pedicel to the right from the mid-ventralradial canal are now developed. X 29. )K\\IEXT Ol- LINCOLN EDWARDS. LVdl. MVIl LDdl . rdpal LVdl
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