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and a Rent in the Bladder, half an Inch in Length, 
a little above the Neck, and exactly in the middle 
where the Offa ‘Pubis join. This was a very afto- 
nilhing Sight, and gave me quite a new Idea of the 
Cafe ; which if any Phyfician could have difcover’d 
without Infpedtion, I fhall readily allow him more 
Penetration than I pretend to. We may now how- 
ever, reafon about it, with a little more Certainty 
than before; and it feems to me, that the Body of 
the Horfe in twilling, adted with the Power of a 
Lever, to which the Suddennefs of the Jerk, added 
in fome meafure the Force of Percufllon. But all this 
leaves us ftill in Wonder at the EfFeft: For Dr. 
Greene was a very ftrong large- boned Man, fixty- 
four Years of Age, and the uniting Surface of the 
Offa Pubis was confiderably broader in him, than 
either the Surgeon, or I had ever feen in any Sub- 
jedt I fear I have tired you* but am, 
SIR. , 
Worcejler , Dec. 2. 
,1747. Tour moft obedient 
humble Servant , 
Thomas Cameron. 
IX. 
