QQiBiTiiNiisi oar jV4>uixxjfiiion'iUft'»'i«ni«:6)k vh 



(Q^^ the Lighting of .Mine*.J*yj«ette8jQfetite; KfeUtrk/J^Wp. (L<*t6p>.)d4 



^gteorolpgicaJ.Ob§Qryfitipns fpr^t^pfWaabmSilfi^ -^ ,bi»A. 3ia»ri(407 

 8f€ — ....... .Tiible. ..... ^ ......»*».. % .. .. .. * .. K ., .. . 9ii«MJ8T."ia «x2'.(Ij»fl'§ 



818 laqqoO \o aJ^iaoA bns ^luoiaM lo obholilo[ia] ^o Jk8 aldooG 



6fg iijoY in989i4 aili gnhub aifiil 



ei8 St>81 J8u g»A lol sa oilJi-nasJO IsoigoIoioaJsM 



OSS ^W/{T 



NUMBER CLXX XII. - DECEMBER. 



Mr. J, R. Hind on the Comets which have been discovered since 



July 1844 . H.;^aMa:^0'^— .iX-XXJ.J Oiaai/tU^5 409 



Mr. J, R. Hind on the Elements of several Comets not previ- 



Mi. R. Laming s Observations on a paper by rrof. raraday con- 



"c'erfting H^j^tr^p Q^pjpdAicHon and the Natuieof Matter .... 420 



r. A. Cayley on tlie 'Transformcition of Elliptic Function s,.^.;,'^4 



j^! T. HopVins on the Diurnal Changes of the Aqueous Pory",.:,- 



•tioi\'pf die Atnaosphere. and their Effects on the Barometer 427 



Brpf. J. W'. ^Draper's Account of ^9,^, remarkable difference be- ^ 

 tween'^J:J^ Rays of Incan4e^^t'^ii}j.|^^^iai}4 those emitted %,.^.j]/: 

 an Electric Spark . . -.tednci-rn^Jnamii/i i.r ;.--3niWiv-, • • • • • t: -^35 



Prof. 4R. Young on the %fe}?fi&,<|#f Afl^ftift^I^eutral 



jj^nd Periodic Series .". . . tcr^oH-3*mi^' 



ogLighting Mines ". • • ,4«2 



j^Ohservations on tlie Discovery df the .^g5P9^Mxi?f no 

 pof. C. F. Schcenbein s Kemarks on MrH. WBwnflQ»JtAr^?9?f-crJi 



J^^srs. L. Playfair and J. P. Joule on Atomic Volume ^HfSgp-bxiii 

 2^*^. ?.''.^yi^y :; ■ bnt.:.-^- :.:.-. •.:.•.:..•.:.• ^c{lvno?m£iili¥/-.W- .-A lM 

 naswiad iioixannoO srii noqu eodmsessH a'^aaannsH .H .iM 

 eJi I0 ga^asdO iBoigolosx) axfi bns dimS. adi \o aohsioH sdi 



B'CP, , .TTTTTTT. sos'huB 



9d:r gnxni^ldo lo borf;J9M imlunol xs no nigdna^rfoS .1 .0 .loil 



068 ^is'pori IbvoH edi \o esnibgsooiSl 



l\jI(9^rs."L. Playfair and Ji,p^j^.qy[1^9n^ti(aSHa%lHKS(^4.^%di xiO 



cificj ^r^vity. (co?/.c/2«/f?4)tt sssxt/ygnxiM- ^a • aJx.-j iliS • sAi- ia •meyiiS^v 

 r^rnJ- Stehhouse's Analyses of the Ashes of Sugar- Canea^^^eBftjy 



the W^% Indies ,iwkfJK^7- -"k)- fn>iJcHj4x)n<i- im'iith'ik- 'jdi^^b 



"P^^ Rev. J. Booth on a New Class of Properties of Line/|.^(^ja 



{.(Surface§,cj^(1;Jie j^egond, Order flort^afee-jS 4flxoSii-f A- sdP^J 



IJwf. E. Wartmann's^econd Memoir cffl(J#||l^^flq m^-JnarnQvo-^I 



