. An introduction to entomology, or, Elements of the natural history of insects : with plates. Insects. 14" DEFINITION OF THE TERM INSECT. though connected with the Vertebrata by having a heart and circulation. His next set of circles shows the sub-division of these five sub-kingdoms into classes—Thus: /*?* / ^ ' f *& \ IcepJiuTa P«roj>od*ZpUm \Agastria ^Bvachtopoilc^. \Amphihia ANIMALIAS. Aves^ Mammal'uJ JPistirHcici- M *««" f«ti (ArtilephUla Jilcdusida Mdndi- > < jjj £itf«fr H © < hJ g £c7iinidalCrttstacea * A / « \ Hauslel-/ s y lata/ S

---

. An introduction to entomology, or, Elements of the natural history of insects : with plates. Insects. 14" DEFINITION OF THE TERM INSECT. though connected with the Vertebrata by having a heart and circulation. His next set of circles shows the sub-division of these five sub-kingdoms into classes—Thus: /*?* / ^ ' f *& \ IcepJiuTa P«roj>od*ZpUm \Agastria ^Bvachtopoilc^. \Amphihia ANIMALIAS. Aves^ Mammal'uJ JPistirHcici- M *««" f«ti (ArtilephUla Jilcdusida Mdndi- > < jjj £itf«fr H © < hJ g £c7iinidalCrttstacea * A / « \ Hauslel-/ s y lata/ Stelleritfcis ttchnickr ^S £ ^ C5 »A In this scheme the osculant classes are those placed between the circles. In the Mollusca circle two classes are still wanting to complete the quinary arrangement of that sub-kingdom. I am not sufficiently conversant. 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 Kirby, William, 1759-1850; Spence, William, 1783-1860. London, Longman, Hurst, Rees, Orme, and Brown

---

Size: 1802px × 1387px
Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookcentury1800, bookdecade1820, booksubjectinsects, bookyear1822