KATYDID n.
A large, green, arboreal, orthopterous insect (Cyrtophyllus concavus) of the family Locustidæ, common in the United States. The males have stridulating organs at the bases of the front wings. During the summer and autumn, in the evening, the males make a peculiar, loud, shrill sound, resembling the combination Katy-did…
MOLE n.
roots of plants. The common European species (Gryllotalpa vulgaris), and the American (G. borealis), are the best known. -- Mole rat (Zoöl.), any one of several species of Old World rodents of the genera Spalax, Georychus, and several allied genera. They are molelike in appearance and habits, and their eyes are small…
POLAR a.
probably a variety of the common European hare (L. timidus). -- Polar lights, the aurora borealis or australis. -- Polar, or Polaric, opposition or contrast (Logic), an opposition or contrast made by the existence of two opposite conceptions which are the extremes in a species, as white and black in colors; hence, as…
ROCK n.
abs of the genus Cancer, as the two species of the New England coast (C. irroratus and C. borealis). See Illust. under Cancer. -- Rock cress (Bot.), a name of several plants of the cress kind found on rocks, as Arabis petræa, A. lyrata, etc. -- Rock crystal (Min.), limpid quartz. See Quartz, and under Crystal. -- Ro…
SHRIKE n.
us, but the common European gray shrike (Lanius excubitor), the great northern shrike (L. borealis), and several others, kill mice, small birds, etc., and often impale them on thorns, and are, on that account called also butcher birds. See under Butcher.