(m) 
III. ANATOME MEDULLAE SPINALIS; 
ET NERVORUM inde frovenientium 5 
GERARDI BLASII, ii/. D. 
The Author fliews in this little rr^^^ a way of taking the entire 
Medulk Sfinalis , or Marrow of the Back^ out of its Theca or 
Bony Receptacle, jvithout Laceration-^ which elfe happens fre- 
quently, both of the Nerves proceeding from it , and of the 
Coats inverting it 5 not to name other parts of the fame. This 
he affirms to have been put into pradice by himfelf , by a fine . 
Saw and Wedge ^ which are to be dexteroufly ufed : and he pro- 
duceth accordingly in excellent Cuts , the Reprefentations of the 
Structure of the faid Medulla thus taken out, and the Nerves^ 
thence proceeding s and that of feveral Animals ^ DogSj Swine;, 
Sheep. 
He intermixes feveral Obfervations , touching the Smglenefs 
of this Medulla J againft Lindanus and others 5 its original ^ vid. 
Whether it be the Root of the Brain , or the Brain the H oot of it t 
i^s difference of Softnefs and Hardnefs'm feveral Animals 5 where 
he notes 5 that in Srvine it is much fofter than in Dogs y 
He exhibits alfo the Arteries , Nerves ^ and Veins , difperfed 
through this Medulla , and inquires 3 Whether the Nerves pro- 
ceed from the Medulla it felf , or its Meninx and difcourfes 
alfo of the Frincifle and BiftrihutiGn of the Nerves ^ referring 
for ampler information in this and the other particulars ^ to 
that Excellent Book of the Learned Dx^ WUlU ^ B$ Anatme 
Cmhri^ 
Ad'vertifement. 
