454 Mr. Grervaise Le Bas on the 



Volumes of Complex Aromatic Compounds. 

 W. Compound. M.V. SA.V. AforK. K. 



48. Naphthalene, C 10 H 8 147-2 177-6 -30-4= '470 



54. Naphthyl Hydride, C l0 H 14 ... 171-2 199-8 -28-6 '484 



CH CH 2 



S \ / \ 



CH CH CH* 



I I ! 



CH CH CH, 

 % /\ / 



CH CH. 



58. Diphenyl, C 12 H 10 [180-0] 214-6 -*34-6 -470 



CH CH 

 CH CH CH CH 



CH C— C CH 

 % / \ // 



CH CH 



68. Stilbene, C 14 H I2 [213*5] 251-6 -38-1 -47 



CH CH 



CH CH CH CH 



CH C-CH=CH-C CH 



CH CH 



76. Diphenyl Propane, C W H 16 ... [245-0] 281-2 -36-2 -47 



CH CH 



f \ / % 



CH CH CH CH 



CH C— CH 2 -CH,-CH.-C CH 



% / \ # 



CH CH 



The contractions found in some members of this group are 

 rather high. It remains to be seen how far they are real. 

 They could be accounted for by supposing that the paraffinoid 

 residues are involved in the contractions. 



