Archive image from page 308 of The descent of man . The descent of man : and selection in relation to sex descentofmanseledarw Year: 1874 Fig. 22. Left-hand figure, male of Onitis furcifer, viewed laterally. Right-hand figure, female, a. Rudiment of cephalic horn. b. Trace of thoracic horn or crest. and the male bears a great projection in the same situa- tion. So, again, there can hardly be a doubt that the little point (a) on the head of the female Onitis furcifer, as well as on the head of the females of two or three allied species, is a rudimentary representative of the cephalic horn, whi

---

Archive image from page 308 of The descent of man . The descent of man : and selection in relation to sex descentofmanseledarw Year: 1874 Fig. 22. Left-hand figure, male of Onitis furcifer, viewed laterally. Right-hand figure, female, a. Rudiment of cephalic horn. b. Trace of thoracic horn or crest. and the male bears a great projection in the same situa- tion. So, again, there can hardly be a doubt that the little point (a) on the head of the female Onitis furcifer, as well as on the head of the females of two or three allied species, is a rudimentary representative of the cephalic horn, which is common to the males of so many Lamellicorn beetles, as in Phtnseus (fig. 18). The old belief that rudiments have been created to complete the

---

Size: 1472px × 1359px
Photo credit: © Actep Burstov / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: 1800, 1870, 1874, archive, book, bookauthor, bookcentury, bookdecade, bookpublisher, booksubject, bookyear, darwin_charles_1809_1882, drawing, evolution, heredity, historical, history, human_beings, illustration, image, natural_selection, new_york_merrill_and_baker, page, picture, print, reference, vintage