( 438 ) 



^N 8. Ortlionitroso-Aceto-Anilide. 



C,II,(N()j .N H-C(K'H, ; iH.|).: lOS^'C 



'.2) n) 



in 



tVi 



iMg. 3. 



The syninielrv 

 calculated f»ii : 



IS niimix 



Fig. 2. 



riii'oiiLili llie lviii(lii('s> of Dl'. F. 

 fiKiciis of ^f'lllu■lu'^i, who was the 

 lii'sl lo |)re[)ai'e this substance {Wow 

 li)07 40. i()<S;i), 1 received a small 

 (|uanlily of tiie frvslallised compound 

 obtained bv cooling the hot alcoholic 

 solution. The crystals exhibited the 

 habit of III». 2 ; fwm a mi.xture of 

 ether and benzene I obtained the 

 thick prismatic crystals of lig. 3. 

 The prism-planes, which often act 

 as resting planes of the crystals in 

 the mother li(|uor, were in conse- 

 ({uence mostly curved and unsuitable 

 for accui'ate measurement, whilst 

 the forms c and q always ga\e 

 ideal reflexes. The ci'vstals have a 

 brilliant emerald green coloiii and 

 are (piite transparent. 

 ]uu>-jn'isiiuitic\ the axial i-elatiou was 



,(:1>: c = 0,8940 : 1 : 0,7295 

 /7=82M)' 

 Forms observed : c =: |001{, j)redomiuaul in the crystals obtained 

 from alcohol and always very shining: /// = )110|, well developcil 

 but ofioii wilh curved plane; (i^:z\i)[\\, gi^ iug ideal I'ellexes and 

 mostly (wliibiting rather large planes: ^/ =z |100{, excecdiuüly nari'ow 

 and dim. The habit is llattencd along c or long prismatic jjarallel 



