line 7 score [`bookmark']
⇑line 12 score [`bookmark']
line 13 score [`bookmark']
⇑lines 9—3 score cancelled

concepts
lines 1—4 score
top-margin—line 2 annotation The change of colour & males depends on Nature of organism & not on the warmth

concepts
line 19 score [`bookmark']
⇑lines 6—1 double score
⇑lines 6—2 annotation Caterpillars of season-dimrphism alike

concepts
⇑lines 4—2 score
⇑lines 4—1 annotation inheritance of corresponding sexual generation

concepts
line 4 score [`bookmark']
⇑lines 10—3 score
⇑lines 14—6 annotation Divides cases, as I understand, into whether or not, the Embryology is different

concepts
line 3 score [`bookmark']
line 12 score [`bookmark']
lines 13—16 score
lines 13—26 annotation Each species has different histry & so is differntly acted on by conditions differently from other spe

concepts
⇑line 4 score [`bookmark']