June, 1903.] COLEMAX : CoCClD.E OK THE CONIFER.1-:. 77 



Fseiuio/siiga taxifolia (Lam.) Britton. Douglas Spruce. — Chionaspis 

 pini/o/ia, Stanford arboretum ; Aspidiotiis abietes, Stanford arbo- 

 retum ; mts. west of Napa, Napa Co. ; near head of Big River 

 and near Usal, Mendocino Co. ; near Dunsmuir, Siskiyou Co. ; 

 Physokermes taxifolia (Douglas Spruce or Red Fir), Stevens 

 Creek, Santa Clara Co.; mts. west of Napa, Napa Co.; near head 

 of Big River, Mendocino Co.; near Dunsmuir, Siskiyou Co. 



Abies grandis Lindl. — Lowland Fir. Leiicaspis ke/loggi, hills between 

 Mendocino City and Fort Bragg, and near Rockport, Mendocino 

 Co. 



Abies co/ico/or (^GoRD.) Parry White Fir. — Leiicaspis l:eIloggi, Senti- 

 nel Dome, Yosemite ; Salmon Mts., west of Salmon Forks (near 

 summit of range on east side), Siskiyou Co.; Shasta Camp, Sis- 

 sons, alt. 3,700 ft.; Stanford arboretum; Physokermes concolor, 

 Salmon Mts. (near summit of range on east side), west of Salmon 

 Forks, Siskiyou Co. : Chionaspis piiiifolia, Stanford arboretum ; 

 Lecanium hesperdiiim, Stanford arboretum. 



Abies sasfensis Lem.mon. Shasta Fir. — Leiicaspis ke/ioggi, Salmon 

 Mts. (near summit of range on east side), west of Salmon Forks, 

 Siskiyou Co. 



Abies magnifica Murr. Red Fir. — Leiicaspis kelloggi, by trail to Sen- 

 tinel Dome, Yosemite (herb, specimens). 



Sequoia sempervirens (Lamb. ) Endl. Redwood. — Dactylopius seqiioice, 

 Sierra Moreno Mts. ; mts. west of Napa City, Napa Co. ; all through 

 the redwood belt, as far north as Humboldt Bay ; Aspidiotiis 

 hedercB, Sierra Moreno Mts. 



Sequoia washiugtoniana (Winsl. ) Sudworth. Bigtree. On some 

 cultivated trees of this species in Stanford arboretum, I find Aspi- 

 diotus rapax very abundant. As this scale is quite common on other 

 trees in the arboretum, they have probably migrated to this host. 



Libocedrus decurrens Torr. Incense Cedar. — Chionaspis pitiifolia, 

 Lake Co.; near head of Supply Creek, Hoopa A'alley Ind. Res.; 

 Scott Valley, Siskiyou Co.; upper Sacramento. 



Cupressus viacrocarpa Hartw. Monterey Cypress. — Dactylopius 

 ryani, Monterey Co. (Coquillett). 



Cupressus goveniana GoRD. Go wen Cypress. — Dactylopius andersoni, 

 southern Lake Co.; Leucaspis ciipressi, Lake Co.; Aspidiotiis coni- 



