CLASS V. INSECTA. 
135 
he separated the Vermes, as Aristotle had done before him, and esta- 
blished them as a class distinct from Tnsects. 
Schaeffer, in 1741, published a valuable work, under the title leones 
Insectorum circa Ratisbonam indigenorum. The classification proposed 
by the author differs entirely from that of Linne, and approaches in 
some respects that proposed by Geotlroy. 
In 1761, Geoffrey published his most valuable System of Insects, 
under the title Hhtloire ahr'egee des Insectcs , 4' c> hi which these ani- 
mals are arranged into six sections. 
In 1776, J. C. Fabricius, a pupil of Linne, published a new system 
of entomology, under the title Systcma Entomologies, in which the 
Principles of a new mode of classification, founded on the organs of 
deglutition and mastication, is for the first time developed, this sy- 
stem, which has undergone several modifications, is named the Ctbo~ 
r ‘an System. . 
Scopoli in 1777, published his Introductio ad Histoncm Natumlem, 
in which work he divides insects into five tribes, under the singular 
appellations of, 1. Suwnmerdami-Lucifuga j 2. Gccfroy-Gymnoplera; 
3. Roeselii-Lepidoptera ; 4. Reaumur ii-Proboscidca ; 5. Emdui-Loleoptera, 
identifying each tribe by the name of each author, who has, in his opi- 
nion, been most successful in the explanation of that to which his 
Uame is attached. , . 
The Lucifuga includes the lice ; Gymnnptcra, his halterala, aculeata, 
and caudata: Lcpidoptera, the moths and butterflies: Proboscidea he 
bas divided into terrestrial and aquatic; and the Coleoptera lie divides 
into those inhabiting water, and those the laud. 
In 1780, Linne produced the twelfth edition of his Sy sterna Natures, 
which was the last systematic work of that illustrious naturalist. 
In 1793, P. A. Lalreille published his Precis dcs Curacteres Gen'e- 
riejues des Insectes, in which he divided Insects into I. Aile's : 1. Cole- 
optera , 2. Orthoptera, 3. Hemiptera, 4. Neuroptera, 5. Lcpidoptera, 
II. Apt.® res: 6. Suetoria, 7. Thasynoura. 
In 1798, J. C. Fabricius produced his last general systematic work, 
fbe Supplemental!! Entomologies Systematises, which presents an outline 
°f his system in its latest state ; and which, being the result of much 
knowledge, demands a considerable portion of attention. 
In the Entomologie Helvetique, a work published in 1798, Clairviile, 
As author, has arranged Insects in the following manner . 
* PTEROPIIOUA; Makdibulata. With wings and jaws, 
Section 1. Elytroptera. Wings crustaceous. 
2. Deratoptera. Wings coriaceous. 
3. Uictyoptera. Wings reticulated. 
4. PllLEBOPTERA,. WillgS veined. 
