EVOLUTION OF COLOR PATTERN IN LITHOCOLLETIS. 167 
EXPLANATION OF PLATES III AND IV. 
PLATE III. 
hylogenetie tree illustrating the evolution of the species of the " eylindrical-larval group "' of Lithocolletis 
e.) 
P 
and of Porphyrosela. (The figures on this and the following plate are three times natural siz 
WR Wi M AOL 
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Lithocolletis i Char 
regonensis W Tsm, MS illustrated). 
п fra ragilella F. a 
н аы Cham.. 
: ges Cha 
үз а Е. апа В. (пон illustrated). 
osensackenella F 
Porphyrosela pe abr Clem. 
Lithocolletis — F. and B. 
argen е. Clem 
Lise F. and B. (not illustrated). 
salicifoliella Clem. 
" tremuloidiella Braun 
м hageni Е. e 
i arbutusella 
T insignis Wism. p^ illustrated). 
» in lsm. 
signis 
caryæalbella Cham. 
D liveformis n 
T obscuricostella Cle 
"i kearfottella Braun 
ei uliella Cham 
Cham‏ € ر 
di alni Wlsm. (not illustrated). 
i alnicolella Wlsm 
di ledella Wlsm 
" incanella Wls 
$i scudderella F. and B 
p cratægella Clem. 
i malimalifoliella Braun. 
T propinquinel 
ii sexnotella 
= aeriferella Clem 
e soleta F. and B 
a albanotella Cham 
P gentifimbriella Clem 
уз lucidicostella Cle 
ay nse 
z bataviella Braun. 
