I Physics. 131 



•, it follows that no change of 





l^erthe 



<-t the work of the' tr.i 

 .— Bull Soc. C//., 11, 



trAahle chroi(/es of c 



i:r-ii tbuiKl that on ; 





iiont.— />Vr. JJerL Cheui. ^'^.s^, ill, 1-J:S, I^Kl H"II. Sn,-. r/,., 1 

 dii, 220, 1S70. .J.pr (7i., 11, 11, 1:>U, Auix. 1>T<>. ... r. i:. 



onglniT to the marsh-<;-as serk's, f'^H.,,^^, an.l r..iU:nimiu' tl^ 

 itoms of carbon, f'sll,.",, arc thcorcticallv jM»^-ibh■: 



^f these only the second, prepared from amyl alc<)hol. ha^. uii 

 ■e<-eiitly, heen ohtained. Lwow, under the direction (>f Profess 



{€(€Il3)3l)2-}-Zn(€H3J2L=(t;(€ll3"),)3+Znl2. 



