Peristeromorphæ (per i ste rom orfe)

pl. [NL. (Huxley, 1867): see peristeromorph.] The pigeons or columbine birds regarded as a superfamily of schizognathous birds. They have the rostrum swollen at the end, and provided with a tumid basal membrane in which the nostrils open; narrow prominent bas i pterygoid proce es; long spongy max ill opal a tines; the mandibular angle neither produced nor recurved; the sternum doubly notched or notched and fenestrated on each side behind, and with the resulting external lateral proce es shorter than the internal ones; the hallux insistent, with a twisted metatarsal, and anterior toes not webbed at the base; the plumage not after shafted; the oil-gland without a circlet of feathers; and the syrinx with one pair of intrinsic muscles. columbine. per i ste rom orphic (pe-riste-rō-môr'fik), a. [ II. n. A peristeropod gallinaceous bird, as one of the Cracidæ or Me gapo didæ . peristeropodan (pe-ris-te-rop'ō-dan), a. and n. Same as peristeropod.