THE POET GRAY 
Coleoptera, insecta, quorum alae elytris tectae sunt. 
Hemiptera, insecta, quorum alae non ex toto, sed ex parte, tectae 
sunt elytris. 
Gymnoptera, insecta elytris destituta. 
Elytron, ala superior cornea, sive Crustacea, quae alas inferiores 
tenuiores tegit. 
Scutellum, crusta parva inter elytrorum aut alarum paria ad 
basin thoracis collocata, quasi thoracis apex a tergo. 
Sutura, rima qua coeunt elytra, vel cum thorace, vel inter se in- 
vicem. 
Palpi, quasi antennulae, ad os collocati. 
Halteres, capitella petiolata sub alis Dipterorum. 
EUnguis, OS nullum, unde insectum edere nequit. 
Spirilinguis, os lingua spirali simplici, vel duplici. 
Tetrapus, 4 pedes unguiculati, licet saepe duo alii absque ungui- 
bus. 
[The Jbllowing list of terms of colour is written on the leaf next 
qfier that on which are the Termini Artis.^ 
1. Testaceus, colour of a tile, or brick -dust. 
2. Griseus, a mixture of brown and red, or red-hasel. 
3. Ritfus, same, more heightened with red. 
4. JEneus, copper-colour'd, with the reddish lustre of that metal. 
5. Ferrugineus, of a reddish-yellow, like the rust of iron. 
6. Ater, of a deep and perfect black. 
( 54 ) 
