Note 53 — Chapter II · HABITS OF WORMS—continued.
Reading edition
Claparède remarks (‘Zeitschrift für wisseuschaft. Zoolog.’ B. 19, 1869, p. 602) that the pharynx appears from its structure to be adapted for suction.
Reading edition
Claparède remarks (‘Zeitschrift für wisseuschaft. Zoolog.’ B. 19, 1869, p. 602) that the pharynx appears from its structure to be adapted for suction.