Note 9 — Chapter IV · MODIFICATIONS OF THE SKELETON.
Reading edition
Stannius (pp. 60, 65) doubts the pure origin of these two bones from membranous tissue, and is inclined to consider them as “the extreme end of the abortive axial system.”
Reading edition
Stannius (pp. 60, 65) doubts the pure origin of these two bones from membranous tissue, and is inclined to consider them as “the extreme end of the abortive axial system.”