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CONTENUES DANS LE SUPPLÉMENT.

Préface.

Fautes à corriger dans l'ouvrage sur les Insectes nuisibles aux arbres

fruitiers, aux plantes potagères, etc.

ALTISE DE LA VIGNE.

Altica ampelophaga, Guér..

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BRUCHE DU POIS CHICHE. Bruchus tristis, Schoen.

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TIGRE. Tingis Pyri, Fab..

MOUCHE DU PANAIS. — Tephritis onopordinis, Fab.

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MOUCHE A SCIE DU POIRIER.

MOUCHE DE L'EPINE VINETTE. - Tephritis Meigeni, Law.

NOCTUELLE DU CHOU. Hadena brassicæ, Dup.

Opius pallipes, Wesm.

Platygaster niger, V de E.

PETIT PAON DE NUIT,
PSYLLE DE L'OLIVIER.
PUCERON DU CHOU.

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DU SAINFOIN.

PYRALE ROSERANE.

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Saturnia carpini, Dup.

Psylla oleæ, Fom.

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Aphis Brassica, Lin. (Moyen de le détruire. 117
Aphis Onobrychidis, G.
Cochylis roserana, Dup.

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dans le Traité des Insectes nuisibles aux Arbres fruitiers, aux Plantes potagères, aux Céréales et aux Plantes

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VISITE D'EXPLORATION

A LA MINE DE LIGNITE DE L'ENFOURCHURE,

Par M. DUPUIS-DELCOURT.

(Séance du 4 décembre 1862).

Chargé d'aller reconnaître sommairement dans le département de l'Yonne la nature et l'état d'une mine de lignite, je me suis rendu à Joigny, et successivement à Villeneuve et Auxerre, dans le courant du mois d'avril 1849.

On ne voulait qu'un examen rapide; je devais me borner à constater l'exactitude de faits avancés. Néanmoins, je m'étais muni d'un léger appareil de sonde, propre à pousser des reconnaissances en terre, au moyen de forages, jusqu'à la profondeur de 8 ou 10 mètres.

Mon travail se trouve résumé dans l'exposé suivant, divisé en trois points principaux. L'historique de la mine; son état actuel et celui des travaux; enfin je termine en jetant un coup-d'œil sur l'avenir de l'exploitation.

HISTORIQUE.

La mine est située au lieu dit la Fontaine aux Brins, près le village de Dixmont, canton de Joigny; elle appartenait alors

Sc. nat.

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