CONTENTS 
OF THE 
FORTY-SECOND VOLUME. 
MEMOIRS of the Life and Works of the late Dr. MasKE~ 
LYNE; read at the Public Meeting of the National In- 
Sitimbeef Brance ss: os. us) jew ult aes ea ae 
Remarks on the Transition Rocks of Werner  .. 15,91 
Discovery of the Composition of the Arragonite.. .. 25 
Report of the National Vaccine Establishment .. 27, 132 
On the Production of the brown Oxide of Lead, under Cir- 
cumstances which have not been hitherto observed $5 
On Electrical Influence .. .. +. «+ ee 36, 261 
On a supposed Error in M. Laruace’s ‘* Mécanique Cé- 
Bg he al Sink iy ann heh ate, WPithe 4 gyda eslind on $, ape aR 
An Attempt to determine the definite and simple Proportions, 
in which the constituent Parts of unorganie Substances 
are united with each other 40, 135, 171, 265, 371, 371, 
; 440 
Description of an Atmometer, and an Account of some 
Photometric, Hygrometric, and Hygroscopical Experi- 
ments wae cs, bis\s,) isle irniaig: pre teguuedatyh ale . 
Cursory Geological Observations lately made, in Shrop- 
shire, Wales, Lancashire, Scotland, Durham, York- 
shire N.R., and Derlyshire. Some Observations on Mr. 
Bakewell’s Gevlogical Map, and on the supposed Identity 
of the Derbyshire Peak, and ihe Craven Limestone Rocks, 
{eT ae ee me Ce 
Case of Spina Bifida and Hydrocephalus Internus .. 60 
The Bakerian Lecture. On the elementary Particles of cer- 
Sam iGraystals. i.) Oe A A Oe 
On the Fine Arts: an Essay founded on a Discourse de- 
livered by the Cavaliere Furro # Ferro, President of 
the Accademia del Decernimento of Trapani at Cee 
Observations, in Objection to some new Arrangements, and 
Simplifications of the Strata of England, proposed by 
Mr. BakeweLt.—A Defence of the Reality and Cir- 
cumstances slaied, respecting three great Faults or Dis- 
locations of the Strata in and near Derbyshire.— On 
Mr. Sitverwoon’s intended Section of all the Der- 
byshire Strata—On Mr. Haut’s Survey and Models of 
