JOURNAL OF ENTOMOLOGY AND ZOOLOGY 



51 



anterior laterals from 12 to 16; and the posterior laterals from 

 6 to 10. Formula of ten examples : 



Anterior 878788776 10 



Anterior 



laterals 12-14 14-11 14-15 13-14 13-15 14-12 13-14 13-13 9-13 16-16 

 Posterior 



laterals 8- 9 9- 9 7-10 8-8 8-8 8-8 8-8 8-8 7-6 9-9 



There are five pairs of lobes; median pair largest; with two 

 spines in between and serrated on the inner margin. Second and 

 third pairs are somewhat dixided and may a|)pear as double, or 



t"igure 41. The manzanita scale, Aulacaspis mamanitae n. sp. (Photo by E. O. 



Essig). 



