Book,  Paragraph

 1   I,  5  |      tubular air-passage and no gills, as the dolphin and the
 2   I,  5  | forehead; others have uncovered gills, as the Selachia, the sharks
 3  II,  13 |        exceptional organ in the gills, whereby, after taking the
 4  II,  13 |        two situated near to the gills. In like manner the grey
 5  II,  13 |        such as the muraena, nor gills articulated like those of
 6  II,  13 |     fish that are provided with gills, some have coverings for
 7  II,  13 |   coverings or opercula for the gills have in all cases their
 8  II,  13 |         have in all cases their gills placed sideways; whereas,
 9  II,  13 |         the broad ones have the gills down below on the belly,
10  II,  13 |  dog-fish.~The fishing-frog has gills placed sideways, and covered
11  II,  13 |      with fishes furnished with gills, the gills in some cases
12  II,  13 |       furnished with gills, the gills in some cases are simple
13  II,  13 |     again, some fishes have few gills, and others have a great
14  II,  13 |         dog-fish have all their gills double, five on a side;
15  II,  13 |     sword-fish has eight double gills. So much for the number
16  II,  13 |       So much for the number of gills as found in fishes.~Again,
17  II,  13 |        ways than as regards the gills. For they are not covered
18  II,  15 |     every animal furnished with gills. All blooded animals are
19  II,  17 |        where the right and left gills meet together. There are
20  II,  17 |        the heart to each of the gills, greater in the greater
21 III,  1  |         other creature that has gills, nor any serpent whatever:
22 III,  1  |         feet and furnished with gills as are viviparous), with
23  IV,  2  |     discharges it by way of the gills; and, by the way, the gill-shaped
24  IV,  8  |    other cases lead only to the gills; but for all this fishes
25  IV,  9  |         rubbing motion of their gills, which by the way are prickly,
26  VI,  12 |     with a blow-hole instead of gills, are viviparous. That is
27 VIII,  2 |   respiration are provided with gills; and such as take in water
28 VIII,  2 |    water and are furnished with gills but go upon dry land and
29 VIII,  2 |         not with lungs but with gills, but for all that it is
30 VIII,  2 |       water is not clear as his gills are peculiarly small. On
31 VIII,  20|     engendered underneath their gills in great numbers, and cause
32 VIII,  30|       marked about the fins and gills. The coracine, like the