Note 423 — Chapter XV
Reading edition
See Macbride, "A Review of Prof. Spengel's Monograph on Balanoglossus," Q.J.M.S., xxxvi., 1894, and "The Early Development of Amphioxus," Q.J.M.S., xl., 1898.
Reading edition
See Macbride, "A Review of Prof. Spengel's Monograph on Balanoglossus," Q.J.M.S., xxxvi., 1894, and "The Early Development of Amphioxus," Q.J.M.S., xl., 1898.