Circular 23 - Reference Index 
Ul 
Oriental roach ( Blatta 
orientalis L. ) 
illustrations. .11-6. 
known as "black 
beetle" 11-3. 
Ornithodoros (see Soft- 
bodied ticks ) 
Ornithodoros niegnini 
Duges (see Spmose 
ear tick) 
Ornithodoros moubata 
(Murray) 
transmits African 
relapsing fever 
12-3. 
Ornithodoros turicata 
Duges 
female (illus. ) 
12-15. 
location; habits 
12-5. 
prevention. . . .12-16. 
transmits relapsing 
fever 12-5. 
Orthodichlorobenzene 
characteristics 
21-56. 
injurious effect on 
humans 6-10. 
manufacturers and 
distributors 
2-39; 6-U; 21-57. 
•orice; caution 
* 21-57. 
trade names. .. .6-14. 
use to control 
powder-^ost beetles 
6-11; 21-56. 
termites 
2-36; 21-56. 
Orvus W. A. 
cost; manufacturers 
and distributors 
21-58. 
emulsifier 21-57. 
Pacific Coast tick 
( Demacentor occiden - 
tal is Marx. ) 
distribution. . . .12-5. 
Paradichlorobenzene 
characteristics ; 
uses. . .21-58; 22-19. 
cost; availability 
21-59. 
injurious effect on 
food products 
21-59; 22-19. 
not recommended 
against termites 
21-58. 
storage 21-58. 
uses 
control fabric 
pests 3-11. 
control millipedes 
15-31. 
fumigate woolens 
and furs 22-40. 
reuel fabric pests 
3-8; 21-58. 
soil fumigant 
21-58. 
Paper wasps ( Polistes 
and Ye spa ) 
habits . 15-13. 
Paraffined canvas 
use to protect 
shrubbery ?-35. 
STATE PLANT BOAt^ 
