CONTENTS 
VII. Contributions to Terrestrial Magnetism. — No. VI. By Lieut. -Colonel Edward 
Sabine, R.A. , F.R.S page 8/ 
VIII. On a General Method in Analysis. By George Boole, Es(j. Communicated 
by S. Hunter Christie, Esq., Sec. R.S. Sfc 225 
IX. On the Reproduction of lost parts in Myriapoda and Insecta. By George New- 
port, Esq., F.R.C.S., President of the Entomological Society of London, and 
Corresponding Member of the Philomathic Society of Paris. Communicated 
by P. M. Roget, M.D., Sec. R.S 283 
X. On the Comparative Anatomy of the Thyroid Gland. By John Simon, Esq., 
Assistant-Surgeon to the King's College Hospital, and Demonstrator of Anatomy 
in King's College. Communicated by Joseph Henry Green, Esq., F.R.S., 
Senior Surgeon to St. Thomas's Hospital, Professor of Anatomy to the Royal 
Academy, 8$c. 8$c. 8$c 295 
XI. Researches into the Structure and Development of a newly discovered Parasitic 
Animalcule of the Human Shin — the Entozoon folliculorum. By Erasmus 
Wilson, Esq., Lecturer on Anatomy and Physiology in the Middlesex Hospital. 
Communicated by Robert Bentley Todd, M.D., F.R.S. 305 
XII. Observations on some of the Nebulae. By the Earl of Rosse, F.R.S. , <fyc. 321 
Index 325 
Appendix. 
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Presents 
