Fig. 61. Transverse section through the developing pancreas (_p_) of a
larva 11 millims. in length.
Fig. 62. Longitudinal section through portions of the stomach, liver, and
duodenum of an embryo about a month after hatching, to shew the relations
of the pancreas (_p_) to the surrounding parts.
Fig. 63. External view of portions of the liver, stomach, duodenum, &c., of
a young Fish, 11 centims. in length, to shew the pancreas (_p_).
Fig. 64. Transverse section through the anterior part of the trunk of an
embryo, about a month after hatching, shewing the connection of the
air-bladder with the throat (_ab´_).
Fig. 65. Transverse section through the same embryo as fig. 64 further
back, shewing the posterior part of the air-bladder (_ab_).
Fig. 66. Viscera of an adult female, 100 centims. in length, shewing the
alimentary canal with its appended glands in natural position, and the
air-bladder with its aperture into the throat (_ab´_). The proximal part of
the duodenum and the terminal part of the intestine are represented as cut
open, the former to shew the pyloric valve and the apertures of the pyloric
cæca and bile duct, and the latter to shew the spiral valve.
This figure was drawn for us by Professor A. C. Haddon.