Ctenopyge n. sp. (Linnarsson, Geol. För. Förhandl.
1880, pl. VI, figs. 14, 15) p. 29.
Fig. 28. A free cheek 6/1.
» 29. Surface of the eyes, near the suture 30/1.
» 30. The same next the free cheek 30/1. Andrarum.
Sphærophthalmus alatus Ang. p. 29.
Fig. 31. The head shield; the free cheeks have been added 8/1.
» 32. A free cheek without foreshortening 8/1.
» 33 & 34. Horizontal and Vertical sections of cephalic eyes
100/1. The cornea nearly 0,01 mm. in thickness. Andrarum.
Peltura scarabæoides Wahlenb. p. 29.
Fig. 35. The head shield; the free cheeks added 2/1.
» 36. A free cheek, not foreshortened 4/1.
» 37. A cast of the inside of the cephalic eye 20/1.
» 38. A portion of the cephalic eye from the inside 60/1.
» 39. A portion of the same in transmitted light 100/1.
» 40. Vertical section of an eye 100/1. The rock on the inside.
» 41. A similar one passing through two rows of lenses, the one
behind the other. The rock on the outside 100/1.
» 42. A hypostoma 8/1. Andrarum.
Dalmanites imbricatulus Angelin p. 53.
Fig. 43. The cephalic eye near the inferior margin 20/1.
» 44. Vertical section of the same and a portion of the free
cheek 60/1. The lenses are almost contiguous and the
interspace between them is formed by the common test of
the body, which is perforated by longitudinal tubes.
Dalmanites obtusus Lindstr. p. 53.
Fig. 45. Horizontal section of cephalic eye near the inferior
margin 30/1.
» 46. Vertical section, the interspaces being in this wider than
in the preceding 60/1. From Gotland.