NUMBER VJ. 



Art. LVL—Ou Jupiter and its Satelites; by M. Mitchell, 3 

 LVII.-On the Physical Constitution of the Sun; by W. A. 



LVIII. — On the composition of Permanent Illuminating Gas 

 obtained from the decomposition of Petroleum Naphtha ; 

 by H. H. Edgerton, 4 



LIX.— A Historical Note on the Method of Least Squares : 

 by Clevela^^d Abbe, ....... 4 



LX. — Contributions to Chemistry from the Laboratory of the 

 Lawrence Scientific School. No. 15.— On some new An- 

 alytical :Methods ; by T. M. Chatard, 4 



LXI.-Oiithe Oil-bearing Limestone of Chicago; byT.S.IIuNT, 4 



LXII.^On the (neology of the Delta and the Mudlumps of 

 tile Passes of the Mississippi; by E. W. IIilgakd, 4 



LXJII.— Obs.'rvations on the Stnicture and habitat of the 

 Stei>f[">i ">'>'^' dentatm Diesing, or Sclerostoinapinguicolu 



LXn^Ou' certain Forms' of the ' Electrical" Di'scharge" in 



^ Air; l.y A. \V. Wta.wiT, ..._ 4 



LXV. — Brief Contributions to Zoology from the Museum of 

 Yale College. No. XIV.— Descriptions of new Ascidians 



from New England ; by A. E. Vereill, 4 



LXVL— Notice of some new Fossil Serpents from the Creta- 

 ceous and Tertiary Formations ; by O, C. ]\Lvrsh, 4 



SCIENTIFIC INTELLIGENCE. 

 Chemistry and Physics.— On a new series of anirtionia-plaiiniim hta^e?, Ci.fve, 4 

 —■On till' preparation of liydric pliospiiide for Icc-Uno experiments, Hof.ma: 



pliosphide. IIokmaw, 46L— On a new mode of formation of ParTi-ovybenz 

 Acid, ^vK^^sE^^ 4tt2.— New SpectroHwpic Coinbiiiiiti..n, SKr-cm. .(03.— LeP?onf 



Proliniinarv Roiiort, of tlie V. S. OooloKical ^nrv.- 

 oontiguons Territories : Lchrbiicli <ler i)iiysikalisp|i. 

 eralogificlie Notizon, llESSENBEUt;, 47.S. 



ci'MinoiSS 



?!;iilr;';''£ 



AstrnrMmy.—Ou 



,:r;;urT:^" 



with the naked eye 

 ■ of Elements of 25 



. F. ]{. Smiti, 

 planets, 47 i. 



:D,sc.overyof 



fkda„y.-V\or^ 



Ploine Tenv, V 

 urn" )ns! HiKRX, 



RTIUS: Popular nar 

 r..MORix-ANDRiKrx: 



175.— The Rhudode 



nes of BritiRl 



L Pl.nts. Priof 

 of all the kno^v 

 f the Batrachiu 

 morican Plant..< 



M.:r.lh,.n„. Sri 



-VdvancemenroTsciencT: '' Reports of the l^'!'S'commisJbners"i 

 orsal Exposition, 478.— Ofttoar;/.— Charles Mayer Wetherill. 47. 



