File:Adelophthalmus Dumonti Fossils.png
Fig. 1
- a. First thoracic segment
- b. Last thoracic segment, with its triangular upraised area
- c. Marginal spiniferous processes, without striæ, of the segment
- d. Granules on the carapace
- e. Articulating surface of the thoracic and abdominal segments
- f. Marginal ridge of the cephalic shield
- g. Right eye
- h. Protruded lateroposterior angles of the shield
- i. Hollows corresponding with the basal joints of the ectognaths
- j. Swimming-foot, showing the terminal palette with the rounded and regular outline of its end
- k. U-shaped ridge
Fig. 2
- Marginal ridge of the cephalic shield
Fig. 3
- First appendage, to show the knob or pad on the posterior border of the articulation
Fig. 4
- Triangular upraised area of the last thoracic segment as seen from the left, to show its slopes