[262]

Macallum, reprinted from Proc. Canadian Institute, N.S. ii. 1884, p. 407.

[263]

Newton Parker, op. cit. p. 138.

[264]

Macallum, Journ. Anat. and Phys. xx. 1886, p. 632.

[265]

Legouis, Ann. Sci. Nat. (5), xvii. 1873, Art. 8; and xviii. 1873, Art. 3. Also Macallum, op. cit. p. 629.

[266]

Newton Parker, op. cit. pp. 138-139.