PHILOSOPHICAL 
TRANSACTIONS. 
I. The Croonian Lecture on muscular Motion . By Anthony 
Carlisle, Esq. F. R. S . 
Read November 8, 1804. 
Animal physiology has derived several illustrations and 
additions, from the institution of this Lecture on muscular 
Motion ; and the details of anatomical knowledge have been 
considerably augmented by descriptions of muscular parts 
before unknown. 
Still, however, many of the phenomena of muscles remain 
unexplained, nor is it to be expected that any sudden insulated 
discovery shall solve such a variety of complicated appearances. 
Muscular motion is the first sensible operation of animal 
life : the various combinations of it sustain and carry on the 
multiplied functions of the largest animals : the temporary 
cessation of this motive faculty is the suspension of the living 
powers, its total quiescence is death. 
By the continuance of patient, well directed researches, it is 
reasonable to expect much important evidence on this subject: 
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