[402] See Etheridge (90); David and Pittman (93).
[403] White (08).
[404] Brongniart (28) A. p. 87.
[405] Parkinson (11) A. Pl. IX. fig. 1, p. 428.
[406] Carruthers (692).
[407] Brongniart (22) A. Pl. II. fig. 4.
[408] Bower (08) p. 305.
[409] Seward (90); Potonié (932).
[410] Brongniart (37) Pl. XXIV.
[411] Morris (40) Pl. XXXVIII. fig. 10.