IX 



" No. 17. Growth and structure of teeth. 



"No. 18. Teeth (dry preparations). 



" No. 19. Peculiarities and regeneration. 



" No. 20. Reproduction of animals." 



Most of the fasciculi commence with general observations on 

 the series of organs to which they respectively relate ; and these 

 valuable expositions have been introduced, with a few verbal 

 corrections merely, in their appropriate places in the present 

 catalogue. The arrangement of the Physiological collection, as 

 it is thus shown to have existed at the decease of its Founder, 

 has been strictly adhered to, except in one particular, viz. the 

 position of the series of the teeth. In the time of Mr. Hunter, 

 when the teeth were usually enumerated by anatomists among 

 the bones of the skeleton, probably no other physiologist would 

 have thought of classifying them with hairs and horns. Some 

 of their striking relations to the extravascular productions, thus 

 early appreciated by him. have been subsequently insisted upon 

 by other philosophical anatomists *, to the exclusion of the facts 

 and arguments which are still valid for regarding them as appen- 

 dages to the osseous system. The series of the teeth was, how- 

 ever, removed from its old position by Sir Everard Home to 

 that which it occupies in the printed t Synopsis ' of 1818, viz. 

 between the ' Stomachs ' and ' Intestines,' or the 4th and 5th of 

 the Hunterian series : it was subsequently transferred by the 

 Senior Conservator, Mr. Clift, to its present position at the 

 commencement of the digestive system. 



The chief value and importance of the original Hunterian 

 quarto catalogue consist in the information which it supplies 

 respecting the scheme of arrangement and the general physio- 

 logical principles intended to be illustrated by the different 

 series. The descriptions of the individual preparations are com- 

 paratively few, and these, for the most part, are confined to a 

 brief definition o the object. Many had merely the name of 

 the animal or part written on the top of the bottle, and the rest 

 were without either name or number. It was from these mate- 

 rials that Dr. Baillie, Sir Everard (then Mr.) Home, and Mr. 



. * See Heusinger, ' System der Histologie,' 4to, 1823, Heft ii. p. 160. 



