.m.g., superior mesenteric ganglion. The two
together form the solar plexus.
l.abd.sym., left abdominal sympathetic (in the actual dissection, the
right would also be visible).
l.a.r., left adrenal.
l.sp.n., left splanchnic nerve.
r.art., renal artery.
r.v., renal vein.
st., the stomach, and sp., the spleen.
x., the vagus on oes., the oesophagus.

{Illustration: Diagram Sheet 9.}

Sheet 10.

-Reproductive Organs of the Rabbit_.

Figure 1. The Male.

Figure 2. The Female Organs. (The symbols below the figures
indicate the sex.)

pb., is the pubic symphysis [which has been] cut through.
R., the rectum, with r.g., the rectal gland, and a., the anus.
t., the tail.
r.ur., the right ureter.
l.ur., the left ureter.
ur.b., the urinary bladder.

In the Male
ep., the epididymis.
P., the penis.
pp., the prepuce.
scr., the scrotal sac, containing these;
r.v.d., the right vas deferens.
T., is the testis.
u.m., the uterus masculinus.

In the Female
c.ut, the left cornu uteri.
F.t., the left Fallopian tube.
ov., is the ovary, with a Graafian follicle, G.F.
V., the vagina.
v.b., the vestibule.

Figure 3. Diagram of ovary with stages in the development of a
Graafian follicle 1, 2, 3, 4, 5, see text, Section 137. The arrow
indicates the changes in position of the developing follicles.

{Illustration: Diagram Sheet 10.}

Sheet 11.

Figure 1. General dissection of Frog (male).

Figure 2. The heart and great vessels laid open.

Figure 3. The circulatory system from the side.

Figure 4. Blood.
{n., nucleus.}
r.c., red corpuscle (oval and nucleated).
w.c., white corpuscle

Small figure of Frog in left-hand corner is to show position
of heel, h.

Reference Letters.
all.b., allantoic bladder (= urinary bladder).
c.ad., corpus adiposum.
cl.c., cut end of the right clavicle.
d., duodenum.
g.b., gall bladder.
il., ileum.
k., kidney.
l.au., left auricle.
l.g., lung.
l.int., large intestine.
l.s.v., longitudino-spiral valve.
L.v., Liv., liver.
pan., pancreas.
r.au., right auricle.
sp., spleen.
st., stomach.
T., testis.
t.a., truncus arteriosus.
ur., urogenital duct.
v., ventricle of heart.

Arteries (white).
ao., aorta.
c.a., carotid arch.
c.g. [c.gl.], carotid gland.
coe., coeliac.
cu., -and pa.",- cutaneous.
d.ao., dorsal aorta.
e.c., lingual artery.
[i.c., internal carotid.]
l.a.a., left aortic arch.
pa., and p., pulmonary.
p.c. [p.cu.], pulmo-cutaneous.
r.a.a., right aor