TO CORRESPONDENTS. 
Professor Davy ’s valuable paper has been received, and shall have | a : 
place in our next.. ' 
Dr. Reape on Refraction, and Mr.. Bane s Theorems for the 4 
oo of Progressional Series, also in our next. 
Mr. will find what he Banca after in the Annals de Chimie 4 
Tome . ae IX, : ye ~ ; 
This day is published, Price 4s. boards, Ait 4 
ps PARENT’s MEDICAL and SURGICAL ASSISTANT, - 4 
inte.ded for the Use of the Heaps of Faminies, Parocurat CLer-- 
- GyMeN, and others; affording familiar and popular Directions for: the ; 
Management of the Suppen Ivtness and various Accidents that ache 
2 prompt and judicious Treatment, and will not admit the delay neces: k 
sary for procuring regular Advice. - ' 
By THOMAS AYRE BROMHEAD, MB. - 
Christ’s College, Cambridge. een 
Londor : printed and sold. by W. sane Gor Yard, Lombard. 
“Street. q 
_ Early in October will be pabhede 
HE SECOND PART of the FIFTH VOLUME of the TRANS- 
ACTIONS of the GEOLOGICAL SOCIETY. 
’ Published by W. Phillips, George Yard, Lombard Street. 
ENGRAVINGS. 
Vol. LV. A Plate exhibiting Sketch of the Comet’s Path of we 1819. 
—A Plate illustrative of the Annular Eclipeeof the Sun on the 7th of 
Septe » ber next. —A Plate illustrative of Mr. Lane’s Instrument for 
gathering Fruit; Mr. Youne’s Mode of preparing Opium from the 
pope: somniferum ; 3 and of Captain Forman’s Essay on a Property in 
Light which hitherto has been unobserved by Philosophers.—A Plate de- 
_ scriptive of Mr. CuruBert’s improved Hydro-pneumatic A pparatus, &c. 
—A Plate illustrative of Capt. Forman’s Essay on the Reflection, Refrac- 
tion, and Inflection of Light, &c,; and Mr. Cuaries BonnycastTLe’s. 
Communicacion respecting the Influence. of Masses of Iron on the Mati- 
ner’s Compass. iH 
Vol. LVI. A Plate illustrative of Mrs: Lanerson’ s Paper on the Phy- 
siology of Botany.—A Plate illustrative of Mr. Hatt’s Percussion Gun-} 
Lock; of Dr. Kircuiner’s Pancratic Eye- Tube; and of Mr. Park’ s 
Mooring Blocks.—A Plate exhibiting Sections, &c.of Mr. Matam’s m- 
proved Gas-Meter.—-- Plate exhibiting: the Discoveries made by Capt i 
Parry in the Polar Sea. S| 
“Vor. LVII. ‘A Plate: Wustrative of Mess. rstep: and Apes’ | 
Electro-magnetic Experiments, and Mr. PeRKIns’s Paper on_ the Com 
pressibility of Water.—A Plate illustrative of Mr. Jamieson’s Marinely| 
‘Thermorheter Case, and Mr. Jexnincs’s Mercurial Log-Glass——A Plates 
iNustratve of Dr. Hare’s new Modification of Galvanic Apparatus. —A 
Plate’representing 2 Double Canal Lock, originally proposed for the Re- 
gent’s Canal, by r. R.H. Gower ; and a | odification of Alecia 
netic Ap; uracus, a Mr. Tatum, 
Vol. LVIII. A Plate illustrative of Mr. Gaa: Tu Es’s ; Caleulations:@ 
the Annular Eclipse of the Sun, which will happen on thelSth of May) 
1836.—A Plate descriptive of the sy pari Balances of Isat AH) 
Luxens ss 4 Dr. Coates. a 
