. A contribution to the morphology and biology of insect galls. Galls (Botany). . Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Cosens, A. (Absalom), d. 1938; University of Toronto. Theses (Ph. D. ). [Toronto : University Press]

---

Size: 3155px × 792px
Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookcentury1900, bookdecade1910, booksubjectgallsbo, bookyear1912