282 PROFESSOR OWEN ON THE EXTERNAL CHARACTERS 
DESCRIPTION OF THE PLATES. 
PLATE XLII. 
Adult male Gorilla (from Mr. du Chaillu’s collection, purchased by the Trustees of the 
British Museum). 
PLATE XLIV. 
Fig. 1. Adult male Gorilla, showing the ordinary quadrupedal mode of progression. 
Fig. 2. Adult female Gorilla. 
Fig. 3. Young male Gorilla. 
(From Mr. du Chaillu’s collection, purchased by the Trustees of the British Museum.) 
The above figures were drawn by Mr. Joseph Wolf, for the illustration of the present 
Memoir, and lithographed, in 1861. 
PLATE XLV. 
Fig. 1. From a photograph of a half-grown male Gorilla, as the specimen appeared, 
with much loss of cuticle and hair, when recently removed from the cask of 
spirits in which it had been transmitted from the Gaboon to the British 
Museum. 
2. From a photograph of the head of the same specimen. 
Fig. 3. Ibid. Front view of the head. 
4. Ibid. Right side of the head. 
PLATE XLVI. 
Fig. 1. From a sketch, by Mr. Joseph Wolf, of the same specimen, showing the nates 
and hind limbs. 
Fig. 2. Ibid. Supine position. 
Fig. 3. Ibid. Fore-arm and hand, as applied to the ground in progression. 
Fig. 4. Ibid. Another view of the fore hand. 
Fig. 5. Ibid. Fore hand grasping. 
Fig. 6. Ibid. The hind hands. 
PLATE XLVII. 
Fig. 1. From a photograph of a male Gorilla, retaining cuticle and hair, as the speci- 
men appeared when recently removed from the cask of spirits in which it 
had been transmitted to the ‘ Derby Museum’ at Liverpool. 
