(Gr. ankulos, crooked). The union of two bones by osseous matter, so that they become one bone, or are immovably joined together.
(Gr. aner, a man ,• gune, a woman). Synonymous with hermaphrodite, and implying that the two sexes are united in the same individual.
(a Gallicised form of Annulata). The Ringed Worms, which form one of the divisions of the Anarthropoda.
Composed of a succession of rings.
(Lat. annulus). The sub-kingdom comprising the Anarlhropoda and the Arthropoda or Articulata, in all of which the body is more or less evidently composed of a succession of rings.
(Gr. anomos, irregular; odous, tooth). An extinct order of Reptiles, often called Dicynodontia.
(Gr. anomos, irregular ; oura, tail). A tribe of Decapod Crustacea, of which the Hermit-crab is the type.
(Gr. anoplos, unarmed: oura, tail). An order of Apterous Insects.
(Lat. antenna, a yard-arm). The jointed horns or feelers possessed by the majority of the Articulata.
(dim. of antennas). Applied to the smaller pair of antennae in the Crustacea.
Properly the branches of the horns of the Deer tribe (Cervidae), but generally applied to the entire horns.
(Lat. antlia, a pump). The spiral trunk or proboscis with which Butterflies and other Lepidopterous Insects suck up the juices of flowers.
(Gr. aphanos, inconspicuous; pteron, a wing). An order of Insects comprising the Fleas.
(Gr. a, without; podes, feet). Applied to those fishes which have no ventral fins. Also to the footless Caeciliae amongst the Amphibia.
Devoid of feet.
(Gr. apodaio, I portion off). Applied to certain chitinous septa which divide the tissues in Crustacea.
(Gr. a, without; pteron, a wing). A division of Insects, which is characterised by the absence of wings in the adult condition.