Published online by Cambridge University Press: 01 May 2009
There are six specimens of this variety in the Woodwardian Museum, all of which come from the Woolhope Limestone, of Littlehope, and were labelled by Salter. Five of them are more or less perfect head-shields, and the other is a pygidium in a good state of preservation.
page 106 note 1 Salter, : Mon. Brit. Trilob. Pal. Soc., 1864, p. 51.Google Scholar
page 107 note 1 Salter, : Mon. Brit. Trilob. Pal. Soc., 1864, p. 52, woodcuts 11 and 12.Google Scholar
page 107 note 2 Ofv. k. Vet. Akad. Förhandl., No. 6, 1885, p. 41, pl. xii, figs. 3, 4, 7, 8, and pl. xiii, fig. 1.Google Scholar
page 107 note 3 Kongl, . Svensk. Vet. Akad. Handl., B. 34, No. 8, 1901.Google Scholar
page 108 note 1 Portlock, : Geol. Rep. Lond., 1843, p. 291, pl. iii, fig. 6. Törnquist: Undersokn. Siljans. Trilobitf., 1884, p. 24, pl. i, figs. 18, 19.Google Scholar
page 109 note 1 Woodward, H.: Geol. Mag., Dec. II, Vol. VII (1880), p. 193, Pl. VI, and Woodcut, Fig. 6, p. 197.CrossRefGoogle Scholar
page 109 note 2 Hall, : Pal. N.Y., ii (1852), p. 347, pl. 83, fig. 7.Google Scholar
page 109 note 3 Lindström, : Sil. Gastr. Pter. Gotl., 1884, pp. 193, 194, pl. xv, figs. 19–21.Google Scholar
page 110 note 1 Sil. Gastr. Pter. Gotl., p. 147, pl. xiv, figs. 59–69 (especially fig. 62).Google Scholar
page 110 note 2 Op. cit., p. 148, pl. xvi, figs. 8–10.
page 110 note 3 Op. cit., p. 189, pl. xv, fig. 27.