acrid a

[Gr. ἀκρίς ( akris ), gen it. ἀκρίδος ( akridos ) = a locust.] Entom.: Mr. Kirby's name for the genus Locusta of Geoffroy, containing, however, not locusts, but gra hoppers. Others use, instead of Acrida, the term Gryllus . [GRYLLUS.] Example, the great green gra hopper, Acrida virid is sima, or Gryllus virid is sim us . Acrida must not be confounded with Acridium (q. v.). ăc-rid-i-id-se, a-crid-i-dæ, s. plural [ACRIDIUM.] Entom.: A family of Saltatorial Orthoptera, of which the genus Acridium is the type. There is much confusion in the naming of two out of three families of the Saltatorial tribe. This one contains, among other insects, the migratory locust, and some of the small "gra hoppers so often heard and seen among gra , which are properly locusts. The family is, by various authors, called Locustidæ, a term, however, which some apply to the gra hoppers proper. [LocusT IDE.] and the Acridtidæ, or gra hoppers."-Darand the male migratory locust of Ru ia, win: Descent of Man, pt. x., ch. ix. one of the Acridiida."-Ibid., pt. ii., ch. x. ăc-rid-i-tỹ, ăc-rid-ně , s. [ACRID.] 1. Lit. Sharpne , pungency; used of chemical substances, plants, . "Acridity, causticity, and poison are the general characteristics of this suspicious order [the Ranunculaceæ]"-Lindley: Nat . Syst, of Botany , 2nd ed. (1836), p. 6. 2. Fig .: Sharpne , pungency; used of the mind, or of speech or writing.