S02 REPORT—1899. 
‘108 gram in 100 c.c. alcohol. 
With 5, 4, 3, 2 and 1 mm. an absorption band appears from 1/X 3493 
to 4016, which gets narrower as the thickness of the layer of liquid is 
reduced, and in the case of 1 mm. is somewhat indistinct. 
Meta-cresol, C,H, (CH;)°OH, 1:3. 
108 gram in 20 c.c. alcohol. 
With 5, 4, 3, 2 and 1 mm. an absorption band appears from 1/A 3433 
to 4125. 
‘108 gram in 100 c.c. alcohol. 
With 5, 4, 3 and’ 2 mm. an absorption band appears from !/)\ 3493. to 
3890, which gets narrower as the thickness of the layer of liquid is 
reduced. With | mm. the absorption band has disappeared, and the 
spectrum extends 1/A 4331. 
Para-cresol, ©,H,(CH),*OH. 1: 4. 
‘108 gram dissolved in 20 c.e. alcohol. 
With 5, 4, 3, 2 and 1 mm. an absorption band appears from !/A 3359 
to 4125, which gets narrower as the thickness of the layer of liquid is 
diminished. 
‘108 gram in 100 ce. alcohol. 
With 5, 4, 3 and 2 mm. an absorption band appears from !/\ 3392 to 
3890. With 1 mm. the absorption band has disappeared, and the 
spectrum extends to!/A 4253. 
Pyrocatechol, O,H,(OW),. 1: 2. 
‘110 gram in 20 c.c. water. 
With 5, 4 and 3 mm. the spectrum is continuous to!/A 8399. With 
2mm. an absorption band appears from !/X 3439 to 4125. The same 
band appears with 1 mm., but is somewhat narrower. 
‘110 gram in 100 c.c. water. 
With 5, 4, 3, 2 and 1 mm. an absorption band appears from !/A 3460 
to 4016, which gets narrower as the thickness of the layer of liquid is 
reduced. 
110 gram in 500 c.c. water. 
With 5mm. an absorption band appears from 1/A 3531 to 3768. 
With 4mm. the absorption band has disappeared, and the spectrum 
extends to!/A 4374. 
Resoreinol, CgH,(OH),. 1: 3. 
110 gram in 20 c.c. water. 
With 5 and 4 mm. the spectrum is continuous to !/A 3466. With 
3, 2,and 1mm. an absorption band appears from !/A 3487 to 4125, 
which gets narrower as the thickness of the layer of liquid is reduced. 
110 gram in 100 c.c. water. 
With 5, 4, 3,2 and 1 mm. an absorption band appears from !/A 3507 
to 4016, which gets narrower as the thickness of the layer of liquid is 
- reduced. 
"110 gram in 500 c.c. water. 
With 5 mm. an absorption band appears from !/\ 38647 to 3768. 
With 4 mm. the absorption band has disappeared, and the spectrum is 
continuous to!/A 4374. 
