l\ \J( I 





CONTENTS OF VOL. II. 



DIVISION I. 



PAGE 

 I. ON THE ORIGIN AND DEVELOPMENT OF THE PULPS 



AND SACS OF THE HUMAN TEETH . . 1 



(Edinburgh Medical and Surgical Journal, Jan. 1839.) 



II. ON THE FOLLICULAR STAGE OF DENTITION IN THE 

 RUMINANTS, WITH SOME EEMARKS ON THAT PRO- 

 CESS IN THE OTHER ORDERS OF MAMMALIA . 53 



(Transactions of British Association for Advancement of 

 Science, August 1839.) 



III. ON THE MODE IN WHICH MUSKET - BULLETS AND 



OTHER FOREIGN BODIES BECOME INCLOSED IN 



THE IVORY OF THE TUSKS OF THE ELEPHANT . 56 



(Transactions of Royal Society of Edinburgh, January 18, 

 1841.) 



IV. ON THE SUPRA -RENAL, THYMUS, AND THYROID 



BODIES ...... 66 



(Philosophical Transactions, January 22, 1846.) 



V. ON THE MORPHOLOGICAL RELATIONS OF THE NER- 

 VOUS SYSTEM IN THE ANNULOSE AND VERTEBRATE 

 TYPES OF ORGANISATION . . . .78 



(Edinburgh Philosophical Journal, January 1857.) 



VI. ON THE MORPHOLOGICAL CONSTITUTION OF THE 



SKELETON OF THE VERTEBRATE HEAD . . 88 



(Edinburgh Philosophical Journal, January 1857.) 



VII. ON THE MORPHOLOGICAL CONSTITUTION OF LIMBS . 198 



(Edinburgh Philosophical Journal, January 1857.) 



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