TL CCC UNNELEN FONCTION PT EE RSS

ne VUTOS DNA G SE ER TEE UN RARE" PA PRESS PQ = M PCR AIRE ER RE RE Lt LENS ES otre 80 SCO ILOIS INTER EE CU A 0 JR tem ol CR UNCALUTAAEN Elle RER ET ESS Ent DO USERS ANNOTATED Le re PAT #89

OO OENU UGS ECM ENCORE MEET AN OMEEC/ LT CUS US Re III EUR CE EE. re AT Er -COf

FAMILLE V. — ORBACÉENS

Cyclostoma elegans, Müller. . . . . , . . HUE, D 'SCHICNRS Dr OI RAZOUONSEI EE 0e D. re Ne ut 03

Acmelineuta,Draparnadude re "UT CRU Ne De — fusca, Walker et Boys.

FAMILLE VI. — PÉRISTOMÉENS

Bythinia vitrea, Draparnaud. .

— abbreviata, Michaud .

— brevis, Draparnaud.

— viridis, Poiret.

— similis, Draparnaud. .

— tentaculata, Linné.

Paludina contecta, Millet .

— vivipara, Linné.

FAMILLE VII -- VALVATIDÉENS

Palvalapiseinalis Müller SC LT.

— (ChiStOias NUE Dr CC CC NC CRC

FAMILLE VIII. — NÉRITACÉENS

Net UvIats TAN ER TN,

ñ FAMILLE I. —- NAYADÉENS

Anodonta cygnœæa, Linné.

— anatina, Linné .

— variabilis, Draparnaud.

— Avonensis, Montagu. .

Unio sinuatus, Lamarck.

— rhomboideus, Schrütter .

— Batavus, Maton et Racket..

— Zèequieni, Mchaud. .

A PICLOTUN ANTENNES Ne RO TT OCR

— tumidus, Ph lppsson .

FAMILLE II. — CARDIACÉENS

Prsidiumnammieumi Nulle CORRE RE Te — pusillum, Gmelin

Cyclus ridicolu, Leach.

— cornea, Linné.

— lacustris, Müller.

FAMILLE III. — DREISSÉNADÉENS

Dreissena polymorpha, Pallas. à: è.

SENOPSIS

Tableau dichotom'que des genres

A a LS

RER OR Ci D a sr 54 QT Ra 125 NS et TR 22

— — des espèces .

Diagnose des genres .

— des espèces.

Extrait des Annales de la Sociélé l'Agriculture, Iistoire naturelle et Arts utiles de Lyon.

DSCOIN ETAT RTS RTE LR AM AIN RU D GICNMMIUES 4

ROYAL MICROSCOPICAL SOCIETY

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