pterinea, pterinæa

[Greek pterinos winged.] Zool.: A sub-genus of Avicula ( S. P. Woodward ): the typical genus of Pterin eine, a sub-family of Aviculide ( Tate ). Lower Silurian to the Carboniferous. pter-i-ne-i-næ, s . pl . [Mod. Latin pterine (a); Lat. fem. pl. adj. suff. -ina .] [PTERINEA.] *pter-1-plěg-Ist-Ic, a . [Pref. pteri- , and Greek plēgē a blow.] Relating to fowling or shooting birds. pter'-Is, s. [Lat., from Gr. pteris a kind of fern, so called from its feathery leaves.] 1. Bot. A genus of Polypodese. Sori continuous, linear, marginal; involucre scarious or membran ous, confluent with the recurved margin of the frond. Known species eighty, of world-wide distribution. 2. Palæobot .: From the Eocene onward. pter-I-tăn'-nic, a . [Pref. pteri- , and Eng tan nic.] Derived from fern, and having the properties of tannic-acid. pteritannic-acid, s. Chem.: C24H30O8. An acid extracted from the root of Aspidium filix - mas , with boiling alcohol and precipitation with sodic sulphate. From an ethereal solution it is obtained as a black-brown shining substance, tastele , and having a slight odor and acid reaction. It is insoluble in water, soluble in ether and alcohol, and forms green precipitates with ferric salts. pter-o-, pter-1, pter-, pref . [Gr. pteron a wing, a feather.] A prefix used in scientific compounds= having wings or wing-like proce es; winged. pter-o-bran-chi-a, tpter-o-bran-chi-a-ta, s. pl . [Pref. ptero- , and Gr. branchia = the gills.] Zoology : A section of Polyzoa, with two genera, Cep halo discus and Rhabdopleura (q. v.). †pter-o-brăn-chi-ā-tą, subst . pl . [PTEROBRAN CHIA.] pter-o-bran-chi-ate, adj . [PTEROBRANCHIA.] Belonging to, or connected with, the Pterobranchia. ( Encyc . Brit . (ed. 9th), xix. 436.) =fruit.] pter-o-car-pus, s . [Pref. ptero- , and Gr. karpos Bot .: A genus of Dalbergieæ, having a thin wing at the edge of the fruit. Large trees, chiefly from the tropics. Pterocarpus marsupium , P. indicus , and P. macro carpus furnish East Indian kino, and P. erinaceus , African kino, P. draco and P. santa lin us , Red Sandal-wood, P. dalberggioides , a good Indian wood, and P. indicus , the excellent And a man Red-wood. Cattle and goats feed on the leaves of P. marsupium . Pterocarpi lignum is the Red Sandal-wood of the Pharma copœia.