191 
Man and Lower Mammals.” Trans. Roy. Soc. of Edin- 
burgh, vol. IV., p. 549. 
41. Turner, W., “On the Brain of Dasypus_ sexcinctus.” 
Journal of Anatomy, vol. I. 
42. Turner, W., “The Convolutions of the Brain.” Journal of 
Anatomy, vol. XXV. 
43. ZucKERKANDL, E., ‘“‘ Ueber das Riechcentrum.” 
44. ZucKERKANDL, E., “‘ Ueber d. Riechbundel des Cornu Am- 
monis.” Anat. Anz., IIT., 1888. 
DESCRIPTION OF FIGURES. 
Fig. 1.—Lateral aspect of cerebrum of Notoryctes. x 3. 
References. ’ 
olf.b. Bulbus olfactorius. 
0: Tuberculum olfactorium. 
e.o.r. Radiatio olfactoria externa. 
n.e. Kminentia natiformis. 
pyr.l. Lobus pyriformis. 
p. ‘¢ Pallium ” ( Turner ). 
Fig. 2.—Basal aspect of cerebrum. x 3. 
* Tubercle of grey matter at the termination of the external olfactory 
radiation. 
The lines at ¢.0. and pyl./. indicate the direction of the fibres given to 
the tuberculum and pyriform from ¢.o.r. 
Other references as in fig. 1. 
Fig. 3.—Mesial aspect of cerebrum. x 3. 
** Precommissural area ” (mihi). 
p.a. 
a.c. Commissura anterior. 
8. ** Septum lucidum.” 
h.c. ‘* Commissura hippocampi.”’ 
f.d. Fascia dentata. 
hf.  Fissura hippocampi. 
Ji. Fimbria. 
Fig. 4.—Transverse section through the region of the anterior and hippo- 
campal commissures. x 7 
[Allowance must be made in these sections for considerable shrinkage 
during the embedding process. The measurements in figs. 1, 2, and 3 are 
corrected by comparison with the skull. ] 
Most references as in figs. 3 and 1. 
n.c. Nucleus caudatus. 
i.c. Capsula interna. 
h. Hippocampus. 
p.p.b. Olfactory ‘‘peduncular projection bundle” . (mihi)—the 
** middle root” of Broca. 
c.r. Corona radiata, 
In the septum (s.), on the left side, are seen numerous descending fibres. 
These are partly fibres of the columna fornicis and partly precommissural 
fibres of Huxley (Riechbundel of Zuckerkandl). 
