Letter | Published:

Structure and Action of the Sucker of Echeneis

Naturevolume 191page403 (1961) | Download Citation



FIG. 1 is a diagram of the sucker of Echeneis taken after staining it with alizarin red and rendering it transparent in glycerin. This reveals the presence of a chamber below the posterior shield of the sucker, about which no mention has so far been made in the literature. Hora1, who at first doubted whether the sucker was a real sucker, later was convinced that the outer rim functioned as a sucker and that there were smaller paired suckers as well; Sewell's3 observations confirmed this.

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  1. 1

    Hora, Nature, 111, 68 (1923).

  2. 2

    Hora, Nature, 115, 47 (1925).

  3. 3

    Sewell, Nature, 115, 48 (1925).

  4. 4

    Norman, Nature, 143, 52 (1939).

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  1. “Bonanza,” Agaram Road, Tambaram, Madras

    • B. BONNELL


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