8 INTRODUCTION. 



sections of bones and teeth and injections. Every one may 

 with a little trouble, form a moderate collection for himself, 

 hints towards which he will find in the paragraphs standing at 

 the end of each section of the special part, as well as in the 

 works just cited. Microscopical preparations may also be ex- 

 changed with or purchased of Hyrtl, in Vienna ; Dr. Oschatz, 

 in Berlin ; Topping, Smith and Beck, Hett and others, in 

 London ; and also in Paris. The largest private and public 

 collections of microscopical preparations exist in Vienna, with 

 Hyrtl (injections) ; in Utrecht, with Harting and Schroder 

 van der Kolk (injections, sections, muscles, nerves) ; in London, 

 in the College of Surgeons (animal and vegetable tissues of all 

 kinds) ; with Tomes (sections of bones and teeth) ; and with 

 Carpenter (hard tissues of the lower animals) . 



