Note 878 — LETTER XLIII.
Reading edition
Ibid. 332. Plate XXII. Fig. 11, 12. c. A cupuliform process is also observable at the side of the metaphragm. Ibid. Fig. 10. a.
Reading edition
Ibid. 332. Plate XXII. Fig. 11, 12. c. A cupuliform process is also observable at the side of the metaphragm. Ibid. Fig. 10. a.