. Elementary entomology . Fig. 15. Mouth-parts of the squash-bug lab, labium, forming a sheath for the other parts ; Ibr^ labrum, fitting into the lower part of the suture of the labium : wi/, mandible : ', illa. Mandibles and maxilte pulled out of labium

---

Size: 1846px × 2707px
Photo credit: © The Bookworm Collection / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookcentury1900, bookdecade1, booksubjectentomology, bookyear1912