144 ON THE ORGANS OF DIGESTION, &C. 
VIII. — Observations on the Organs of Di- 
gestion and their Appendages, and on the 
Organs of Respiration and Circulation, in 
the Ornithorynchus paradoxus *. 
By Robert Knox, M. D. 
Member of the Wernerian Natural History Society, and of the 
Medico-Chirurgical Society of Edinburgh. 
{Read mh April 18S3.) 
Memoir II. 
extremely accurate, generally speaking, are the de- 
scriptions of the celebrated Cuvier, so just and profound 
the views he has adopted of the animal creation, that those 
pursuing the same route can hope to add but little to any 
* The specimen of Ornithorynchus, examined by Dr Knox, was trans- 
mitted to the Royal Museum of the University of Edinburgh by His Excel- 
lency the Governor of New South Wales, Sir Thomas Brisbane, Baronet. 
It it highly gratifying to learn, that this distinguished individual is actively 
employed in forming an extensive collection of the natural productions of the 
vast country over which he rules ; and that the numerous, uncommon, ma- 
rine animals of the neighbouring coasts and seas, which have so much ex- 
cited the curiosity of European naturalists, also engage his particular atten- 
tion, so that, ere long, we trust, many of these will reach our National Mu- 
seum of Scotland, and thus afford opportunities for interesting investigations 
and discoveries.— Edit, 
