Elementary studies in insect life Elementary studies in insect life elementarystudie00hunt Year: 1902 258 ELEMENTARY STUDIES IN INSECT LIFE Mouth-parts.— Taken collectively, all the organs which aid in the mastication of food are called the month-parts. Labrum.— The freely movable flap which is joined to the ventral margin of the clypens is called the labrum, or npper lip. (Fig. 19-1.) • By removing the labriim and clypens the mandibles become visible. (Figs. 193, <-, 195, c.} Note

---

Size: 1169px × 1710px
Photo credit: © Bookworm / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: archive, book, drawing, historical, history, illustration, image, page, picture, print, reference, vintage