The orifice opens into the branchial cavity behind a conical lobe, which stands above the third foot in place of a branchia which is wanting in Ocypoda.    From Wordnik.com.  [Facts and Arguments for Darwin] Reference

Tadpoles (after they have cast their branchia or gills), newts, and rock fish can be used to the extent of six to the gallon.    From Wordnik.com.  [Scientific American, Volume XLIII., No. 25, December 18, 1880 A Weekly Journal of Practical Information, Art, Science, Mechanics, Chemistry, and Manufactures.] Reference

The two apertures lie just above the edge of the fold of membrane which runs from the inner root of the larger or outer branchia, across the branchial cavity and beneath the rectum, to the other side.    From Wordnik.com.  [Journal of the Proceedings of the Linnean Society - Vol. 3 Zoology] Reference

EACH of the lateral tufts of bristles a branchia, simple on a few of the foremost segments, and then strongly arborescent to the end of the body.    From Wordnik.com.  [Facts and Arguments for Darwin] Reference

Unlike land vertebrates or marine mammals, they don't have lungs, but they do have paired respiratory structures called gills, also called branchia.    From Wordnik.com. Reference

Fish Gill Filaments - Unlike land vertebrates or marine mammals, fish don't have lungs, but they do have paired respiratory structures called gills, or branchia.    From Wordnik.com. Reference

This framework consists of a number of arches (placed in series one behind another) extending on each side of the throat upwards towards the back-bone, and supporting on their outer sides the gills or branchia, on which account they are called the branchial arches.    From Wordnik.com.  [The Common Frog] Reference

6. dioper ton men ichthuon oudeis echei pneumona all 'anti toutou branchia kathaper eiretai en tois peri anapnoes; hudati gar poieitai ten katapsuxin, ta d' anapneonta echei pneumona anapnei de ta peza panta.    From Wordnik.com.  [NPNF2-08. Basil: Letters and Select Works] Reference

(3) Descriptive Terms in Biology a - branchia ` gills 'abranchia ` lacking organs of respiration'.    From Wordnik.com.  [VERBATIM: The Language Quarterly Vol XIV No 3] Reference