. Outlines of zoology. Zoology. Fig. 125.—Female cockroach [P. orientalis). Fig. 126.—Male cockroach (P. orientalis). appendages, unless rudimentai-y modifications of these be re- presented by stings, ovipositors, etc. First Type of Insects, Periplaneta (or Blatta).— The Cockroach. Habits.—The cockroaches in Britain are immigrants from the East (P. orientalis), or from America (P. americana). They are omnivorous in their diet, active in their habits, hiding during the day and feeding at night. They are ancient insects, for related forms occurred in Silurian ages; they are average types, neithe

---

. Outlines of zoology. Zoology. Fig. 125.—Female cockroach [P. orientalis). Fig. 126.—Male cockroach (P. orientalis). appendages, unless rudimentai-y modifications of these be re- presented by stings, ovipositors, etc. First Type of Insects, Periplaneta (or Blatta).— The Cockroach. Habits.—The cockroaches in Britain are immigrants from the East (P. orientalis), or from America (P. americana). They are omnivorous in their diet, active in their habits, hiding during the day and feeding at night. They are ancient insects, for related forms occurred in Silurian ages; they are average types, neither very simple nor very highly specialised. Their position is among the Orthoptera, in the 19. 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 Thomson, J. Arthur (John Arthur), 1861-1933. Edinburgh, Glasgow and London, H. Frowde and Hodder & Stoughton

---

Size: 1551px × 1610px
Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookauthorth, bookcentury1800, bookdecade1890, booksubjectzoology