Geological magazine . t. Si 6 T. A. Brock del. Fig. 1. Dionide atra, Salter, 1866. Upper Arenig : 2-6. Ditto. Upper Arenig : near Haverfordwest. L. V. Dalton—Geology of Venezuela. 203 Fig. 2. Dionide atra, Salter. Group of portions of two individuals, broken anddisplaced, showing external impression of parts of head-shields,fragments of thorax, and the two pygidia. Upper Arenig Series :Long Plantation Cutting, near Scolton, Haverfordwest, x 2. ,, 2a. Ditto. One of the pygidia. x 3. ,, 3. Ditto. Head-shield of another individual with part of thorax horizon and loca
Geological magazine . t. Si 6 T. A. Brock del. Fig. 1. Dionide atra, Salter, 1866. Upper Arenig : 2-6. Ditto. Upper Arenig : near Haverfordwest. L. V. Dalton—Geology of Venezuela. 203 Fig. 2. Dionide atra, Salter. Group of portions of two individuals, broken anddisplaced, showing external impression of parts of head-shields,fragments of thorax, and the two pygidia. Upper Arenig Series :Long Plantation Cutting, near Scolton, Haverfordwest, x 2. ,, 2a. Ditto. One of the pygidia. x 3. ,, 3. Ditto. Head-shield of another individual with part of thorax horizon and locality, x 4. ,, 3a. Ditto. Portion of circumferential region of same specimen. x 8. ,, 4. Ditto. Head-shield, showing border. Same horizon and locality, x 3. ,, 4a. Ditto. Impression of same specimen, x 3. ,, 46. Ditto. Portionof cheek of same specimen showing ornamentation, x 8. ,, 5. Ditto. Head-shield, transversely distorted. Same horizon andlocality, x 3. ,, 6. Ditto. Diagrammatic restoration of head-shield. III.—O
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Keywords: ., bookcentury1800, bookdecade1860, booksubjectgeology, bookyear1864
