Fig. 31. Horizontal section of the cephalic eye 250/1.
» 32. Hypostoma, a broad variety 1/1.
» 33. Another, a narrow variety 1/1.
» 34. The left macula of the hypostoma fig. 32 4/1.
» 35. A similar of the narrow variety 4/1.
» 36. Vertical section of a macula. a the macula 20/1.
Specimens from Vestanå and Kungs Norrby, Östergötland.
Ptychopyge cincta Brögger p. 69
(according to Fr. Schmidt. The figure 12 a of Brögger resembles, however, the hypostoma of Pt. angustifrons, but not the hypostomata which have been prepared from the Ptych. cincta).
Fig. 37. A hypostoma; the maculæ are directed obliquely 2/1.
» 38. The right macula of another specimen 4/1.
» 39. Vertical section of a macula 60/1. Specimens from Kungs
Norrby, Östergötland.
Ptychopyge aciculata Ang. p. 68.
(Compare Brögger II Taf. I, fig. 13.)
Fig. 40. The hypostoma, cast of the interior surface 1/1.
» 41. Cast of the right macula 4/1. Specimen from Öland, Brunsby.
Ptychopyge glabrata Ang. p. 69.
Fig. 42. Original of Brögger's fig. 14. Cast of the inside of
the right macula 4/1. Ǎlleberg.
Elyx laticeps Ang. p. 19.