xi. 
Sul family Dasma c. .-pkdas ceassle ss supa never pilaseeaateneae Vary meetin ee 223 
Classifieation Of Dita spi icecjacwas sera’ sawsaadurdas setencysdageeenay 223 
Aspidiotus nerii Bouché (Common White Scale) 224 
Aspidiotus ancylus Putn. (Eccentric Scale of 
the Bln) pein ecectes cone peacrcnetseem cwecwescecccncoeeees 224 
Aspidiotus perniciosus Comst. (San Jose Seale) 226 
Diaspis rose Bouché (Rose Scale).............seseeees 235 
Diaspis cacti Comst. (Cactus Scale).............002+. 235 
Chionaspis furfurus Sign. (Scurfy Scale)........ 236 
Chionaspis salicis Linn. (Willow or Cotton- 
wood Seaile)ij.cvc.t see cobacne sat sess sua Sbadosansentacs Zain 
Chionaspis americana Johnson (Elm-tree White 
SCALE); chasesbsalevte lesseccvecpeass seesaw asedsccces cose sarees 238 
Chionospis pinifoliz Fitch (White Pine scale)... 239 
Mytilaspis pomorum Bouché  (Oyster-shell 
Bark-louserof. ple Apple) j<..5:4<.0s020eceissccdeansees 239 
