Page:The Osteology of the Reptiles.pdf/92

74

[No manuscript. Some skull characters are noted on pages 20, 21, 25, 213, 279.]



. 60. Rhynchocephalian skull: Sphenodon (Tuatera), from the side and above. pm, premaxilla; n, nasal; prf, prefrontal; f, frontal; pf, postfrontal; p, parietal; po, postorbital; sq, squamosal; m, maxilla; j, jugal; qj, quadratojugal; q, quadrate; c, coronoid; sa, surangular; art, articular; pa, prearticular; d, dentary; an, angular.