WHOLE VOL. 



INDEX 



305 



Zinc chloride, chromated, 21, 128-131, 135; pe- 

 troleum solutions, 129; soil poison, 109, iii; 

 temperature and pressure, relation to penetra- 

 tion, 134; wood preservative, 129-132, 134, 136 



Zinc meta arsenite, ZMA, 129, 131, 132, 134, 136, 

 138 



Zinc naphthenate, 131 



Zinc sulphate, 133 



Zoogeographical regions, 138-148 



Zootermopsts, 3, 7, 13, 14, 23, 24, 29, 38, 42, 50, 

 51, 57, 61, 69, 70, 73, 76, 93, 95, 99, 106, 

 107, 115, iiS, 119, 131, 133 



angusticollis, 22, 45, 52, 53, 57, 60, 61, 66, 

 68, 72, 73, 81, 82, 84, 91, 94, 95, 97, 106 

 nevadensis, 23, 51, 60, 68, 82, 95, 107 

 Zoraptera, 75-77, 85; compared with termites, 8, 



76, 77, 85, 86 

 Zorotyptis, 8, 18, 75, 85, 86 



