gry118tal pa

[Lat. gryllus =a cricket, and talpa a mole.] Entom.: Mole-cricket; a genus of crickets (Achetide or Gryllide) having the legs and tarsi of both the anterior feet broad, flat, and indented like hands, so as to be well adapted for digging. grýl-lŭs, s . [Lat. a cricket, a gra hopper.] Entom.: The typical genus of the family Gryllide and the tribe Gryllina (q. v.). [GRASSHOPPER.] gry-phæ-a, s . [Lat. gryps (gen it, gryphis )=a griffin.J Palcont .: A sub-genus of Ostrea (oyster), having the left valve with a prominent incurved umbo, the right one small and concave. Thirty species are known from the Lias to the Chalk. ( Woodward , .) †gryphite, s . [Lat. gryphus=a griffin, and- ite ( Palæont .).] [GRYPHEA.] Palæont .: An old name for a gryphea (q. v.). gryphite-limestone, s . guanaco resembling cinnabar in composition, it is quite different in its physical properties, having a bluish black streak and a greasy, metallic luster. ( T. Davies , F. G. S. ) guaiac (as gwā-yak), a. & s. [Native name of the tree in parts of South America.] A. As subst .: Guaiacum (q. v.). B. As adj .: Of or belonging to guaiacum. guaiacic (as gwā-yas-Ic), a . [English, ., guaiac ( um ); -ic .] Pertaining to, or derived from, Guaiacum (q. v.). guaiacic-acid, s . Chem.: Guaiaretic acid, C20H26O4. Obtained by boiling powdered guaiacum resin with milk of lime for half an hour, filtering and extracting the residue with hot alcohol, distilling off the alcohol, and di olving the acid in caustic soda, decomposing the crystallized sodium salt with hydrochloric acid, and recrystallizing from glacial acetic acid. Guaiacic acid is thus obtained in colorle needles, which melt at 80°. They are soluble in alcohol, and the solution gives a gra -green color with ferric chloride. It forms crystalline salts.