Dalmanites vulgaris Salter P. 54.
Fig. 47. Part of the cephalic eye near the inferior margin 20/1.
» 48. Horizontal section near the surface at the inferior
margin 30/1.
» 49. A tangential section, so that the inferior part is below
the lenses where the peculiar radiating structure is seen
in horizontal section 30/1.
» 50. Vertical section of a small Specimen, fibrous appendices
below the lenses 30/1.
» 51. Hypostoma 2/1.
» 52. The right macula 12/1. English specimens from Dudley,
Shropshire.
Dysplanus centrotus Dalman p. 55.
Fig. 53 & 54. Horizontal and vertical sections of an eye 60/1.
» 55. Hypostoma 3/1.
» 56. The anterior wing of the hypostoma seen in foreshortening
6/1. Specimen AX from Westanå, Östergötland.
Dysplanus ladogensis Holm p. 55.
Fig. 57. Hypostoma 3/1.
» 58. The same, seen from the side 3/1. Specimen AI from
Östergötland.
| K. Sv. Vet. Akad. Handl., Bd 34, No 8. | Lindström: Trilobites. Pl. III. |
Click on image to view larger sized. | |
| G. Liljevall del. | Ljustryck af Chr. Westphal Stockholm. |
Pl. IV.
Chirurus speciosus His.
Fig. 1. The right macula, cast of the interior side 12/1.
Specimen from Grumpevik, Vamlingbo, Gotland.