CONTENTS. 
Dr. J. H. Guapstone and Mr. G. Guapstonez’s Observations on the Growth 
of Plants in Abnormal Atmospheres ............0005 οὐδ νἀ ἐδ ὁ cess ον εἰς cuccademeeeee 
Dr. Witt1am Gregory on the Sulphite of Lead ............ abe Gaals το ον Raw Sena 
Mr. J. P. JouLe on some Amalgams ......cseccsecvscscscecteccscscenecesenes τανε θ6Ὁ 
Professor G. I. MuxpeEr on the presence of Carbonates in Blood.............0+... 
Dr. Freperick Penny on a new and ready Process for the Quantitative De- 
termination of Iron...... FF CAREC SCONE ar BERD ARE Arr COCA SCRLE EC HOLE CALL OP CECR EEE 
Mr. Wixt.1am Perrre on the Phosphorescence of Potassium ......sssssssessecees 
Dr. Lyon Piayrair on the Condensation of Volume in highly hydrated Mi- 
PIGTAIS) /ccpaeececucscaccndeadhonccses'ycnccesaseccseeuessaaces Suatacevdeeseetakecaets tial ces 
Mr. Grorce RxEApD’s Observations on Ropy Bread Sessa ddr τ ΣΟ deat 
Dr. Scorrern on the Sugar Produce of the South of Spain, chiefly in connexion 
with the employment of Acetate of Lead and Sulphurous Acid as Purifying 
PNPONES <ccccecesnsansncsessoeencocscserssscsccascssscccves(anessendsessecrntaccdsceunedonus ee . 
Mr. Henry Cuirron Sorsy on the Tetramorphism Of Carbon...,...sescecseseees 
Mr. James Stern on a direct Method of separating Arsenious from Arsenic 
Acid, and on its application to the estimation of Nitric Acid...........c...000008 
Mr. Henry Taytor on the Chemical Composition of the Rocks of the Coal 
GUAT ATION come Ὑ ἘΝ ΡΟΣ ΕΝ Στ δὲν «ates its canenaicebasoztbacs τονε σεν. cenacceceet tls sosacscinasias 
Dr. A. VoricKer on the Proportion of Phosphoric Acid in some Natural Waters 
————_———_ on the Per-centage of Nitrogen as an Index to the Nutritive 
“9.415 
Dr. Gzorce Witson on the Gases of ϑαίβεῖμο, over the Action of the Dry 
Gases on Organic Colours ........0....5.sccsscncascosnacsssoccecasestesseccscucossecens 
on the presence of F luorine i in Blood and Milk............. 
— on the extent to which Fluoride of Calcium is soluble in 
NVEGCI ΟΕ τς canes =aaalsce'e snp etnenvaciess J: sofabusecsecse: cddsewsccessaeeakesen ius 
——’s fewunpublished particulars concerning the late Dr. Black 
GEOLOGY AND PHYSICAL GEOGRAPHY. 
Dr. ANDERSON on the Fossil Fishes and Yellow Sandstone of Dura Den ....... 
The Duke of Arey on a Fossiliferous Deposit underlying Basalt in the Island 
of Mull............06 Manian sce dacieeweletearmecdessteccseabeancus tired πο ΗΝ ὑπ eee oe 
Mr. Rosert Austen on Recent Changes of Sea-level..........cececssssecessccesees 
Dr. Lupwie Brecker on the constant Increase of Elevation of the Beds of Rivers 
*s Remarks as to the earlier Existence of the Binnen or 
Inland Lake.........cecceseeee ΠΡ ἘΠ Ἐκ ΤΥ ΕΓ ΤΡ eo ts 
Rev. P. Β. Bropiz’s Remarks on the "Stonesficld Slate at Collyweston, near 
Stamford, and the Great Oolite, Inferior Oolite, and Lias, in the Neighbour- 
hood of Grantham ......... duacivasiculgea cesiteie sepen ας ΣΑΣ sina shiss ἐρ dase e sea του στρ ω δου δα α 
Mr. James ΒΒΥΟΕ, jun., on Striated and Polished Rocks and “ Roches Mou- 
. tonnées”’ in the Lake District of Westmoreland......... δ aac phecaiades ana hanaad 
on the Lesmahagow and Douglas Coat-field in Lanark- 
SHMEsiNewees Ἐν) dees sacsuate tect ΣΥΝΕ Loe ermnaronenetmibsh onan ἅν aap attain ἐρῶν a emueE ees 
Mr. Rosert Cuampers on the Glacial Phenomena of the Neighbourhood of 
Edinburgh, with some Remarks on the General Subject....... δἰ τα ας ea cn «τον ner 
Dr. ΟὐτΕΝ on the Gold Mines of the Isthmus of Darien, Emigration to New 
Granada, and Canalization of the Isthmus of Darien ............cccsecssesseeeeees 
Professor Epwarp Forsrs on the Succession of Strata and Distribution of 
Organic Remains in the Dorsetshire Purbecks...........sscscscecccceccacscecccesccs 
Dr. Matniz Hamitton’s Brief Notices of Earthquakes in South America in 
[S445 1845, TSAO ans fies Mink. s ceca sawsescorce δοῦν couocecevesweu eG este see 
Mr. Rosert Harkness on the Position of ‘the F ootsteps in the Bunter Sand- 
stone of Dumfries-shire ............ εὐ gees; Εν τ Ὁ ἐδ" ς 
---.-- on the Representatives of the Mountain Limestone a as 
ἔπιον Occur. it Daniiries shines cogcet sieeve. ὅν ον .vo.ss-oaceodescccssascsluseecastmedinas 
Rey. Epwarp Hircucock on the Erosions of the Earth’s Surface, especially by 
ἘΠΊ ΕΣ. τον τοῖν τον ον σα δον eeeeeeescenosasseececeeasesaseeereceteens davunosavencs 
Peeecerersce 
85 
