Chapter 4
The Birds
111
XIV
1. Water Loss
112
a) Evaporative
b) Urinary and Faecal
a) Renal Water Conservation and the Neurohypophysis
2. Role of the Cloaca and Intestine
in Water Conservation
119
3. Conservation and Excretion of Salts
120
a) Kidneys
b) Nasal Salt Glands
a) Mechanism(s) Controlling Secretion
4. Adrenocortical Hormones and Salt Metabolism
125
5. Sources of Water and Salts
128
a) Food
b) Drinking
6. Reproduction, Migration and Osmoregulation
129
7. Osmoregulation in Two Desert Birds,
the Budgerygah and the Zebra Finch
130
Chapter 5
The Reptiles
135
1. Water Exchanges
138
a) Skin and Respiratory Tract
b) Urinary and Faecal Water Loss
«) Role of Neurohypophysis
P) Role of Cloaca and Urinary Bladder
2. Salt Exchanges
149
a) Skin
b) Kidney
c) Cloaca and Urinary Bladder
d) 'Salt' Glands
e) Role of Adrenocortical Tissue
3. Accumulation of Water and Salts
157
4. Water Metabolism of the 'Dob'
158