THE TERMS USED IN ENTOMOLOGY. 319 



Vhiosls, amongst elms. 



UmbeUifcris, on umbelliterous jilants in hedges and wood sides. 

 IIALTEKES (see p. 37), poisers, in the Order of Dipiera; two globu- 

 lar bodies placed on slender stalks behind the wings, and seated 

 on the thorax ; sometimes they are an arched membranaceous 

 scale. 

 HAMULI. These are very minute hooks or crotchets, discoverable 

 under, a good magnifier, on the inferior wings of many Ilymeno- 

 pterous insects, by means of which they are kept steady in tlying. 

 — Kirhij. 

 Hastata, a javelin-shaped mark that is triangular; the base and sitK'S 



hollowed, the posterior angles spreading horizontally. 

 HAUSTELLUM, a sort of trunk at the mouth of insects, principally 

 of the Diptci-a, consisting of setae, which are either inclosed in a 

 bivalve sheath or without one. 

 Head. See Caput. 

 He.melytra, wings either wholly or in part formed of a substance in- 



temiediate between leather and membrane. 

 Hexapoda instcta, having six feet, as in all genuine insects. 

 Hvalixa, wings, elytra, &:c. quite transparent. 

 IMAGO, the perfect insect after having gone through the states of 



Larva and Pupa. 

 Imbricatus, set with scales, lying over each other hke the tiles of a 



house. 

 In'Stita, a stria of equal breadth throughout. 

 L.\i!RUM. (See p. 28.) 



LAR\'A, caterpillar, grub or maggot; the insect as it comes from the 

 egg, slow, sterile, and voracious. 

 Cauc/ata, with a tail or horn, as in most of the SpJungidcc. 

 Gregar'ui, those larva; that live in society, many of them inclosed in 



a web. 

 Niida, naked, not b.airy. 

 Poli/pfioga, that will cat a variety of plants. 



Siihcntcaiea, small caterpillars that feed within the substance of the 

 leaf. 

 LiNEA,aline, the twelfth part of an inch. 

 LINGUA, the Tongue. (See p. 29.) 



Replkatilis, the point capable of being turned back. 

 Spiralis, capable of being rolled up like the spring of a watcli be- 

 tween the palpi. {PL 10. Jig. 9.) 

 Litura, a spot of a deeper colour in one part than another. 

 LrxuLA, a spot shaped like a new moon. 



MACULA, a spot, larger than punctum, ofan indeterminate figure, 

 and of a diftcrcnt colour from the ground. ( PL 10. fg. 8. Ii.) 



