416 MR HENRY HOW ON MECONIC ACID. 
acid amide; want of material, however, has prevented me as yet from arriving at 
a satisfactory conclusion on this point. 
I subjoin a list of the substances described in this paper. 
Salts and Compounds of Meconic Acid. 
Bibasic meconate of ammonia, dried at 212°, HO, 2NH,O, C,,HO,, 
Monobasie ain ane wee 2 HO, NH,O, C,, HO,, 
crystallised, 2 HO, NH,O, C,, HO,, + 2aq. 
Bechylameeae a aac 2 HO, C,H,O C,, HO,, 
' Acid ethylomeconate of baryta, peda at 212°, BaO, HO, C,H,0 C,, HO,, 
silver, cen AgO, HO, C,H,O C,, HO,, 
oe er, crystallised, AgO, HO, C,H,0 C,, HO,, +2 aq. 
Neutral Rone baryta, dried at 212°, 2 BaO, C,H,O C,, HO,, | 
Meconamidie acid, . é iat 9 HO, C,, H,, N, O,, + 6 aq. 
Meconamidate of ammonia, dried in vacuo, 9 NH,0O, C,, H,, N, 0,3 +3 aq. 
Meconoethylomeconice acid, dried at 212°, 3HO, C,, HO,,+2 HO, C,H,0 C,, HO,, 
Biethylomeconic acid, C a HO, 2 C,H,0, C,, HO,, 
Biethylomeconate of ammonia, crystallised, NH,0, 2 C,H,0, C,, HO,, 
baryta, dried at 212°, BaO, 2 C,H,O, C,, HO,, 
Products of Decomposition. 
Comenamic acid, ’ R ; P 4 . : : f HO, C,, H, NO, 
Chlorocomenic acid, . : 2 : 3 ¢ A : : 2 HO, C,, ‘a } 0, 
Bromocomenic acid, . ; : : : f : 4 . 2 HO, C,, {e } 0, 
