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sense of the beauty of completeness and accuracy seems more 

 desirable than the easy indolence of ignorance; when the finding 

 out of the causes of things becomes a source of joy, and he is 

 counted happy who is successful in the search; common knowledge 

 of nature passes into what our forefathers called Natural History, 

 from whence there is but a step to that which used to be termed 

 Natural Philosophy and now passes by the name of Physical 

 Science. 



Fig. 2. Chestnut-bellied Scaled Partridge or "Quail" {Callipepla squamata 



castanogastris). 



"In this final stage of knowledge, the phenomena of nature 

 are regarded as one .continuous series of causes and effects; and 

 the ultimate object of science is to trace out that series, from the 

 term which is nearest to us, to that which is at the furthest limit 

 accessible to our means of investigation. 



'The course of nature as it is, as it has been, and as it will be, 

 is the object of scientific inquiry; whatever lies beyond, above, 

 or below this is outside science. But the philosopher need not 

 despair at the limitation of his field of labour : in relation to the 

 human mind nature is boundless; and, though nowhere inacces- 

 sible, she is everywhere unfathomable." 



