40 INTRODUCTION. 



noticed in their appropriate places throughout the present 

 work, so that it is unnecessary to make further remarks in 

 this place, or pursue the history of Anatomy in any greater 

 detail at present. 



RULES FOR DISSECTION IN GENERAL. 



1. Let each student supply himself with an apron, made 

 either of glazed muslin or gum elastic, furnished with 

 sleeves, and reaching from the neck to the ankles. 



2. He should provide himself with a dissecting case, in 

 which he should see that there are also two or more crooked 

 needles, for sewing up the parts after dissection. He should 

 also have a sponge, as cleanliness is of the utmost import- 

 ance to neatness of dissection. 



3. No more integument should he turned down than is 

 necessary to fairly expose the part or parts under exam- 

 ination, as the dissection is liable soon to become dry or 

 putrefy hence it is always necessary to replace the skin, 

 or cover the parts with a cloth of several thicknesses, dipped 

 in water, after dissection. 



4. The knife should not only be sharp, but be in the best 

 order possible, and always be kept so; for we are convinced, 

 from much observation, that most of the failures, to the 

 making a neat and satisfactory dissection, arise from hav- 

 ing dull knives, and the consequence is disappointment 

 and ultimate dislike, if not disgust, for any dissection 

 whatever hence we .would urge each student to furnish 

 himself with a "razor-strop and Arkansas stone. 



5. Hold the knife as you would a writing pen, and with 

 the other hand keep the skin tense. We say with the 

 other hand, for the fingers are always to be preferred, 

 when you can use them, to the forceps. The skin is made 

 tense, or put on the stretch, so that the cellular tissue be- 



