Go´ni-a-tites [Gr. gonia, corner; lithos, stone.] A genus of fossil Ammonites.
Gor´gets [Fr. gorgette, dim. of gorge, throat.] Throat-patches distinguished by color or texture, especially in humming birds.
Grap´to-lites [Gr. graptos, written; lithos, stone.] Fossil hydroids.
Greg-a-ri´na [Lat. gregarius, < grex, flock.] A genus typical of Gregarinidæ. Gregarina gigantea is sixteen millimeters in length and is one of the largest unicellular animals known.
Greg-a-rin´i-dæ [Vid. Gregarina.] More or less elongated amœba-like Protozoa, having a well-defined cell-wall, and a “subcuticular” system of muscular fibrillæ; nucleus, but no contractile vacuole; reproduction by encystment and subdivision of the central cell mass or protoplasm, by which shelly psorosperms are formed and from which escape the moner-like young, which undergo a metamorphosis.
Gro´mi-a o-vi-form´is [Lat. gromia; ovum, egg; forma, form.] A characteristic imperforate foraminifer.
Gym-no-phi´o-na [Gr. gymnos, naked; ophis, serpent]
Gym-no-sper´mæ [Gr. gymnos, naked; sperma, seed.] Plants whose seeds are not contained in a closed seed-vessel, as Cycads and Conifers.
Hap´a-le [Gr. hapalos, gentle.]
Ha-pal´i-dæ [Gr. hapalos, gentle] A family of New World monkeys including the Marmosets.