Légende de la Pl. LVI. 



246 — 1 Umbralla laudunensis, Melleviile. — Gr. natur Lnon. Cn<. 



247 — 1 Siphonaria spectabilis, Desh. — Gr. nalur Le Ruel Bakt. 



247 — 2 Siphonaria costaria, Dcsli. — Gr. natur Bouconvilliers. . . Bart. 



247 — 3 Siphonaria crassicostata, Desh. — 2/1 Le Fayèl Bart. 



247 — 4 Siphonaria Laubrierei, Cossmann. — 3/1 Chenay Tuan. 



247 — 5 Siphonaria glabrata, de Raincourt. — 2/1 Verneuil Bart. 



247 — 6 Siphonaria liancurtensis, Cossiu. — 4/1 [in Cossm.] Liancourt .... Cuis. 



247 — 7 Siphonaria paucidigitata, Cossm. — 2/1 [V. App. IV. p. 94] Le Fayel Bart. 



248 — 1 Parascutum Raincourti, Cossm. — 2/1 [in Cossm.] Chaumont .... Lut. 



249 — 1 Acroria Baylei [Cossmann]. — 3/2 Hérouvnl Cuis. 



250 — 1 Gadinia hipponyxoides, Cossmann. — 3/1 [in Cossm.] Chenay Tuan. 



251 — 1 Physa {Aplecta) gigantea, Michaud. — G r. natur Rilly. Tuan. 



251 — 2 Physa (Aplecta) pseudogigantea, Sandberger. — Gr. natur. Rilly Than. 



251 — 3 Physa {Aplecta) primigenia, Desh. — Gr. natur M' Bernon .... Sparn. 



251 — 4 Physa (Aplecta) Heberti, Desh. — 3/2 Cuvilly Sparn (Than.) 



251 — 5 Physa (Aplecta) Lamberti, Desh. — 3/1 [V. App. IV, p. 93] Grauves Sparn. 



251 — 6 Physa (Macrophysa) columnaris, Desh. — Gr, natur. [in fut. App. V]. . . M' Bernon .... Sparn (Than.) 



251 — 7 Physa (Macrophysa) parvissima, de . Boissy. — 3/1 Rilly Than. 



251 — 8 Physa (Aplecta) brevispirata, Cossm. ■ — 3/1 [in fut. App. V] Cuise Cuis. 



252 — 1 Ancylus ( Velletia) Matheroni, de Boissy. — 2/1 Rilly Than. 



252 — 1' — var Lemoinei, Cossm. — 21. M 1 Bernon .... Sparn. 



252 — 2 Ancylus ( Velletia) arenarius, Cossm. — 4/1 Chenay Than. 



252 — 3 Ancylus (Velletia) Dutemplei, Desh. — 5/1 [in Desh.] Damery Lut. 



252 — 4 Ancylus (Velletia) berellensis, de Laub. et Carez. — 8/1 [in Cossm.] . . . Brasles Cuis. 



253 — 1 Limnaea longiscata, Brongn. — Gr. natur Docks Napoléon. . Audun. (1) 



253 — 2 Limnaea pyramidalis, Brard. — Gr. natur PI. de l'Europe . . Audun. (1) 



253 — 3 Limnaea Baylei, Bayan. — Gr. natur Rilly, Than. 



253 — 4 Limnaea berellensis, de Laub. et Carez. — 2/1 [m Cossm.] Brasles Cuis. 



253 — 5 Limnaea acuminata, Brongn. — Gr. natur Auvers Bart- 



253 — 6 Limnaea arenularia, Brard. — Gr. natur Auvers Bart. 



253 — 7 Limnaea lignitarum, Desh. — 2/1 Grauves Sparn. 



253 — 7' — , var. non dénommée. — 2/1 Grauves Sparn. 



253 — 7 " , var. Andrei, Cossm. — 2/1 [tu fut. App. V]. . . . Grauves Sparn. 



253 — 8 Limnaea elata, Desh. — 2/1 Neauphlette . . . Lut. 



253 — 9 Limnasa Bervillei, Desh. — 3/2 Oulchy Lut. 



253 — 9 ' spécimen-type. — Gr. natur Passy Lut. 



253 — 10 Limnaea Michelini, Desh. — Gr. natur St-Parres Lut. 



253 — 11 Limnaea inconspicua, Desh. — Gr. natur Batignolles. . . . Audun. (1) 



253 — 12 Limnaea convexa, Edw. — Gr. natur PI. de l'Europe . . Audun. (1) 



(1) Sous étage du Bartonien (V. avertissement de la présente Iconographie!. 



