anatomical structure of the eye. 83 
Fig. 5. Vertical section of the left eye of the goose ; mag- 
nified three diameters. 
Fig. 6. The vitreous humor and crystalline lens of the 
same eye ; magnified three diameters. 
Fig. 7. Transverse section, or the posterior hemisphere 
of the same left eye ; magnified three diameters. 
Fig. 8. Represents at A, a portion of the anterior part of 
the capsule of the crystalline lens ; at B, a very small por- 
tion of the posterior part of the capsule of the crystalline 
lens ; and at C, a portion of the capsule or membrane of the 
vitreous humor, with the muscular fibres which connect it 
with the capsule of the lens ; magnified ten diameters. 
Plate X. 
Fig. 1. The marsupium of an injected goose's eye, in its 
natural state ; magnified eight diameters. 
Fig. 2. The same marsupium unravelled ; at A, in the 
natural state, and at B, injected ; magnified eight diameters. 
Fig. 3. Front view of one of the ciliary processes, injected 
and expanded ; magnified twenty diameters. 
Fig. 4. Back view of the same ; magnified twenty dia- 
meters. 
Fig. 5. External view of the injected iris ; magnified three 
diameters. 
Fig. 6. Internal view of the same, the nigrum pigmentum 
removed ; magnified three diameters. 
Fig. 7. Internal view of a portion of the anterior hemi- 
sphere of the injected goose's eye, consisting of a portion of 
the iris, with the nigrum pigmentum, the ciliary processes in 
their natural position ; the radiated circle, and a very small 
