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Of or pertaining to Stylommatophora.

A view of death; a meditation on the subject of death. Bryant.

Color blindness; achromatopsy.

The science of reflected light, now called catoptrics.

An onomatopoetic name for a dog or its bark. -- a.

wholly, completely; as in cataclysm, catarrh. It sometimes drops the final vowel, as in catoptric; and is sometimes changed to cath, as in cathartic, catholic.

louse (Zoöl.), any species of louse infecting cattle. There are several species. The Hæmatatopinus eurysternus and H. vituli are common species which suck blood; Trichodectes scalaris eats the hair. -- Cattle plague, the rinderpest; called also Russian cattle plague. -- Cattle range, or Cattle run, an open space thro…

Dermatopathic.

A dermatophyte.

An order of Mammalia; the Cheiroptera. [Written also Dermaptera, and Dermatoptera.]

diums, as air, water, or glass, and esp. through different lenses; -- distinguished from catoptrics, which refers to reflected light.

See Stomatopoda.

hrough the action of concentrated sulphuric acid. Two like bodies, called respectively hæmatoporphyrin and hæmatolin, are formed in a similar manner.

Same as Hæmatoplastic.

the greatly modified arm of Argonauta and allied genera, which, after receiving the spermatophores, becomes detached from the male, and attaches itself to the female for reproductive purposes.

An onomatopoetic word used as an expression of hesitation, doubt, etc. It is often a sort of voluntary half cough, loud or subdued, and would perhaps be better expressed by hm. Cough or cry hem, if anybody come. Shak.

See Hematophilia.

ommon chub. See Illust. of Chub. -- Horned frog (Zoöl.), a very large Brazilian frog (Ceratophrys cornuta), having a pair of triangular horns arising from the eyelids. -- Horned grebe (Zoöl.), a species of grebe (Colymbus auritus), of Arctic Europe and America, having two dense tufts of feathers on the head. -- Horn…

An aquatic plant (Ceratophyllum), with finely divided leaves.

t of the horse (Psoroptes, or Dermatodectes, equi), and that of cattle (Symbiotes, or Dermatophagys, bovis) are the most important species. See Acarina.