Pynchon 3SS5 Pyrethrum and Westfield on lands purchased from the In- ; iva* rlniwi'i.;, Jpa^'e. .^c fret Ions, which ^s< f t ' ascender L to it fmm the entrance at the foot Pynchon, William (1590-1662), American i of the r^rami' colonist, was born in Springfield, Essex, En?-! pyramid to«-k According to Herodotus, this inner time in construction— loo.coo men I>cin:: * mpJoyrd on it for 30 years. land. He was one of the patentees to whom the charter of Massachusetts Bay was crant-; Other form* uf the pvrarmd are located in ed in 1629, and accompanied Winthrop to the i Greece, Italy. Mexico, China. India, and new colony in 1630. He founded Springfield, j Assyria, after his English birthplace. In 1650. while ( Pyramus, in ancient lesend, was a youth on a visit to London, he published The Men- of Babylon who torious Price of Our Redemption, in which he opposed the Calvinistic view of the atonement and thereby brought on himself a charge of and slew himself under a mulberry tree, the heresy in New England. An order was issued that the book should be burned by the hang- man, and Pynchon was cited to appear before che General Court; but dissatisfied with the treatment accorded him in the colony, he re- turned to England in 1652, settled at Wrays- bury, near Windsor, and conformed to the Anglican Church. He also published: The Jewes Synagogue (1652); How the First Sab- bath Was Ordained (1654) J The Covenant of Nature Made with Adam (1662). Pyorrhoea (Pyorrhea) or Riggs' Dis- ease, is a disease in which there is a forma- tion of pus about the gums and sockets of the teeth, which results in loosening, and finally in the loss, of the teeth affected. It has been estimated that over 90 per cent, of all adults at some time suffer from this disease, and that over 50 per cent, of all teeth that are lost fall out through its morbid action. Pyramid, in geometry, is a polyhedron, one of whose faces is a polygon and all the other faces are triangles, having the sides of the polygon as bases and having a common vertex. The pyramid is triangular, square, pentagon- al, etc., according as the base is a triangle, square, pentagon, etc. The Pyramids of Egypt are quadrangular, Pyramids, structures in the shape of the geometric figure so called, erected in differ- ent parts of the Old and New Worlds, the most important being the Pyramids of Egypt. The 'Pyramid field' lies in the Egyptian desert close to Cairo. The Great Pyramid of Khuju or Cheops (fourth dynasty) is counted as one of the seven wonders of the world. This gi- gantic tomb is 755 feet 8.8 inches in mean length, and 481 feet 4 inches in its original height, and the area of its base is slightly over 13 acres. Its slope or angle was 51° 50'. It has, however, been much despoiled and stripped of Its exterior blocks for the building of the mosques and walls of Cairo. The original sepulchral chamber, 46 x 27 feet and 10 feet 6 inches high, was hewn in solid rock, and a maid Thisbe: and finding her garment befouled \\ith blood by ? lioness, concluded that she had been devoured, and slew himself under a mulberry tree, the fruit of which was ever afterwards red as blood. Thisbe, returning, saw hL corpse, and killed herself upon it. See Shakespeare's Mid sit m m cr Xigh t 's D re a w. Pyrenees, mountain chain forming the boundary between France and Spain. The length of the Pyrenees proper, from Cape Cervera on the Gulf of Lions to I run on the Bay of Biscay, is 270 m. The width of the system varies from 90 m. to about 25 at the Mediterranean extremity. The passes are usu- ally from 6,000 to 7,000 ft. high, the highest being the Port d'Or (9,843 ft.) and Breche de Roland (9,856 ft.). The thermal springs are very numerous and famous, those most fre- quented on the French side being Bastneres de Bigorre, Luchon, Bareges, and St. Sauveur; and on the Spanish side Panticos, (8,500 ft.). Pyrenees, Hautes. See Hautes Pyre- nees. Pyrenees, Peace of (November, 1659), formed a sort of supplement to the peace of Westphalia (1648), and was the second great diplomatic success achieved by Mazarin, showing the supremacy of France in Europe. The chief fact of the peace was that the mar- riage of Louis xiv. to Maria Theresa, the in- fanta of Spain, was arranged—a marriage that was afterwards the cause or excuse of many wars, including the War of the Spanish Suc- cession. Pyrenees-Orientals, most south-easter- ly dep. of France. The most important prod- uct is wine; iron is mined; the coast lagoons produce salt, and Amelie-les-Bains is noted for its sulphur springs. Perpignan is the capi- tal. Area, 1,598 sq,m.; p. 229,979. Pyrenomycetes, an order of ascomycetous fungi with flash-like fructifications, open at the top for the discharge of the spores. Some are parasitic on plants, others on insect larvae, while several are saprophytes. Pyrethrum, a section of the genus Chrys- santkemum, herbaceous composite plants, the distinctive features of which are that the pap-