116 PL1 



2. Beobachtung am Darmkanal der Tcenia folium Mull. Arch. 

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PLATT (J.). 



1. On the fossil Thigh-bone of a large Animal, dug up at Stonesfield 

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2. On the Origin and Formation of the Extraneous Fossil commonly 

 called the Belemnite Phil. Trans. L1V. p. 38. 



PLATT (Th.). 



1. Letter from Florence, concerning some Experiments there made 

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PLAY (F. le). 



1. Observations sur 1'histoire naturelle et sur la richesse minerale de 

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2. Journey in Spain. Ann. des Mines, V. Rec. Gen. Sc. I. p. 19. 



3. Geology of Estremadura and the North of Andalusia. Ann. des 

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PLAYFAIR (G.). 



1. On the appearance of Locusts in theDoab. Trans. Med. and Phys. 

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PLAYFAIR (J.). 



1. Illustrations of the Huttonian Theory of the Earth. Edinb. 1802, 

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2. Lettre a J. Jardine, sur quelques Phenomenes que presentent les 

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3. On the Structure of the Table Mountain, and other parts of the 

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PLAYFAIR (Lyon). 



1. On the Gases evolved during the formation of Coal. Mem. Geol. 

 Surv. I. p. 460. 



PLEHWE (Adolph. v.). 



1. Entwurf iiber die Bildung der Erde oder der Erdraum in seinem 

 Werden, von seinem Hervorgehen bis zu seiner Vollendung. Freine- 

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PLEIMES (Ed. Maria et Reinhold). 



1. Neueste Sammlung einheimischer Schmetterlinge und derer Raupen, 

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PLENDERLEATH (D.). 



1. On the Teeth of Fishes, and Shells found in the vicinity of Reading. 

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PLIENINGER (Th.). 



1. Beschreibung von Stuttgart, hauptsiichlich nach seinen naturvvissen- 

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2. Ueber Fahrten im Keuper Stuttgarts, und iiber Mastodonsaurus 

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