CONTENTS
The Physiology of Ascidians
IVAN Goon~onv
T. Introduction
. .
. .
. .
..
11. The Ascidian Test
..
. .
* .
111. The Branchia1,Sac
.. .. ,.
IV. The Endostyle
. . .. .. ..
V. lodine Binding . .
..
* .
..
VI. The Alimentary System . . .. ..
A. Food Transport . .
.. . .
C. Digestion . . .. .. ..
I). The Pyloric Gland
. .
..
€3. Histology of the Alimentary Canal
. .
. .
..
VIT. Respirution
9 .
VII 1. 'l'hc Circu1iLtor.y Systrrrl . . . . ..
A. Structure of the Heart . .
. .
13. ('ontraction d t h v Heiwt . . . .
(1.
Pacemaker Activity
. .
. .
I). Cardio-regulatory Drug8 . . . .
E. Conduction
. .
. .
..
I?. Heitrt Beat Reversid
. . ..
(2. Conclusion . .
. .
.. ..
IX. Ascitlian Blood . .
. .
.. ..
A. The Plasma
. .
. .
..
B. Blood Cells. .
. .
.. ..
vii
. I
..
.. 2
..
. .
3
.. 16
. .
. . 23
. . 27
..
. . 30
..
. . 30
..
.. 31
. .
. . 35
..
.. 39
. .
. . 43
.. . . 44
. .
. . 45
* .
, . 48
* .
. . 50
I .
. . 62
. .
. . 54
. .
. . 57
a .
. . 62
.. . . 04
. .
. . 64
. .
. . 67