13

Limax gagates Draparnaud hist. p. 122. t. 9. fig. 1—2.

— — Ferussac hist. p. 75. t. 6. fig. 1 — 2.

— — Lamarck edit. Deshayes T. 7. p. 721.

— agrestis Lowe priinit. p. 39?

Habitat in Madera, ubique vulgaris.

A littore maris ad altitudinem usque 3000 ped. hanc speciem observavi, imprimisautem in regione castaneae vescae, ubi in gramineis umbrosis numerosissime degit: ra-rior occurrit altius, in sylvulis vaccinii maderensis. Animal valde iners interdiu gregariesub lapidibus remanet, ubi contracto corpore et carina acuta, formae tectuli haud dissi-mile, reperitur.

TESTACELLDS.

Testa parvula, convexiuscula, elongata, extus rugosiuscula, intus margaritacea;anfract. vix 1£.

Animal cylindraceum, antice attenuatum; discus longitudinaliter corpori adnatus;clypeus nullus; apertura respiratoria supra extremitatem posticam, testa obtecta; palliumbreve; tentacula retractilia 4, majora superne oculifera.

1. Testacellus Iialiotideus Faure-Biguet.

Tab. 1. Fig. 6 —8.

Testa ovato-oblonga, crassiuscula; apertura magna, ovata.

Diam. maj. 9-|, lalid. millim.

Testacellus haliotideus Faure-Biguet in: Bulletin Soc. philom. Vol. 3. n. 61. p. 38. t. 5. t 2.

— — Ferussac hist. p. 94. t. 8. fig. 5 — 9.

— — Lowe primit. p. 40.

— —■ Lamarck edit. Deshayes Tom. 7. p. 726-

Testacella haliotidea Draparnaud hist. p. 121. t. 8. fig. 43 — 48. t. 9. fig. 12—14. c. anim.

— — fFebb et Berthelot in: Ann. d. seienc. nat. T. 28. p- 307.

Habitat in Madera.

2. Testacellus Maugei Fer.

Tab. 1. Fig. 9—11.

Testa elongata, tenuiuscula, apice attenuata; apertura magna, elliptica.Diam. maj. 8, min. 4 millim.