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PLATE 4. 
Spirifera euryglossa, Schnur. ? Ventral valve. Panning Limestone. 
Atrypa desyuamata, J. de 0. Sby. Ventral valve, with radiating surface- 
ridges. Panning Limestone. 
Do. Dorsal valve, with the same, and remains of the spirals. Panning 
Limestone. 
Atrypa reticularis , Linn. Ventral valve. Panning Limestone. 
SJiynehonella primipilaris, Von Buch. Ventral valve. Panning Biver. 
Gyroceras Philpi, Eth. fil. Natural weathered surface, with septa and 
remains of the siphuncle. — ■§•. Northern Bail way. 
Do. Portion of the external surface of the back, showing the blunt 
marginal tubercles, longitudinal grooves, and cross striation. 
Lepidodendron Veltheimianum, Sternb. P A decorticated example. Drum- 
mond Bange. 
Spondylostrolus P, sp. ind. Vertical section of a large block. x3. 
Wycarbah. 
Do. Horizontal section, x 3. 
Asteroealamites scrobieulatus, Schl. Two examples, mechanically united, one 
showing three and the other five internodes. Drummond 
Bange. 
Do. Conical termination of the stem, with nine internodes. Drummond 
Bange. 
DicranopTiyllum australicum, Dawson. Upper Panning Beds (after Dawson, 
Quart. Journ. Geol. Soc., xxxvii., t. 13, f. 15), 
