CONTENTS. vil 
NUMBER XLII.—JUNE. 
Page 
Biographical Sketch of Alexander Wilson, concluded...........0005 409 
Chemical Analysis of some membranous Bodies of Animals. si Pro- 
fessor I. F. John ........-. - 419 
Chemical Action of Bodies on eh ee wes erent eater. By 
Re PEAR C bah ct h<Varn ys eeu revRie Sc yo royole tee oicitia epee ale slojalaiela, cieTs}.s 426 
Comparison of the Old and New Theories respecting the Nature of Oxy- 
urate Hed. By Dr: Berzelius: .'a. 6 21s swiss» atime ns'e a 0's wo0gjnie 429 
Trigonometrical Survey of the Wide-mouth Shoal, near Beachy Head. By 
Col. M. Beaufoy ........ . 441 
On the upright Growth of Vemebles By Mr. i Galastoll: ab Cab aee 443 
Camparison of Albumen with Gluten. By H. F. Link ............. 455 
Proceedings of the Royal Society, April 25, May 2, 9, and16....... 458 
Geological Society, March 15 and April5........ 461 
Royal Taukientarof YANG’: co atreeaRe eae tee ee 462. 
Folminating Platinum . AVC Bais ete ele test OM 
Demonstration that no Part of a Circle i isa mieten dine: Shales Io inves SMOG, 
Mon Babe Barometercsy, ssiinst. ori siete pereehs. hehehe BS Gala lsdale' «6 CHOI. 
Permenting Heat—Stedmn oH ei. sil. Sevres a Be aa dhe. TIT AGG 
On the London Pavement. . oa nee « « obldibids 
On the Ore of Copper dcseribed ree ssabprodioes ina silanes Nuartion . 470 
On the Boiler of the Steam-Engine ...... 0.0.00 cesses ccc eceeeseees 47g 
On Mr. Donovan's Essays, and the Mode of procuring Silver......... 473 
Queries respecting Plano-Cylindric Lenses. ........ 0.0 ec eee eeeeee 474 
Demonstration of a curious Relation between the various Orders of 
NUERETIGOES ote\o¥e) sup ines 's winsn PPA oatalaMsl etNALaTLGDNS, Slate! sjsyiisiele oe Wine AVE 
Bem pe Niarierale’.. sac stile vicsclsipeats alee sper ao isinisioie se Mpcdiselbattis acles 478 
New Arrangement of Primitive Rocks ...,.... weet Pulcivinieis sinieleudele s/<.ciae ibid, 
@ainance Maps of British Counties .....5..ccccccccccccsscccosveceses ibid. 
New Hygrometer : and on the Mode of cutting Glass. By Mr. R. Burrhard 479 
DMNA, ids cans Sis aoa SD away AECK KS REN EP aio pv hanse neces siesiacce 480 
Meteorological Table and Vhacceaticiiei April 19 to May 18.......... 481 
Index Geert teasr seer er ereree POOPED HEE, Oe HEAL HOOP esr eseens 483 
