| OCR Text |
Show 1868.] MR. NEVILL ON THE LAND MOLLUSKS OF MAURITIUS. 259 This species, there is every reason to believe, will become in a tew years. GIBBUS (GIBBULINA) BACILLUS, Pfr. T h i s species has the foot yellow, with a black band along the sides, which is broader on the posterior part; the tentacles are crimson. Mauritius. Arboreal. GIBBUS (GIBBULINA) TERES, Pfr. The animal is nearly pure white, delicately spotted on the foot with minute pale scarlet dots; the tentacles are at first scarlet, then dull purple. Mauritius. GIBBUS (GIBBULINA) HOLOSTOMA, Morel. The foot is vivid orange, with broad black bands on each side; the tentacles are orange tipped with black. Mauritius. GIBBUS (GIBBULINA) PRODUCTUS, H. Ad. The foot in this species is yellowish flesh-colour, the sides being mottled with brown ; the tentacles are at first dark brown, and then bright scarlet. Mauritius. GIBBUS (GIBBULINA) MODIOLUS, Fer. The animal is brownish red, having the sides dark brown; the tentacles are red; and the sole of the foot is pale greenish flesh-colour. Mauritius. Var. FUSCUS. The upper surface of the foot is brick-red, bordered with a dull light-brown band, narrow on the anterior, and broad on the posterior part; the sole of the foot is of a dull greenish colour ; the tentacles are brown. Arboreal. GIBBUS (GIBBULINA) STRIATI-COSTA, Morel. The foot in this species is black, mottled with orange, and with an orange fillet round the base and down the middle of the upper surface of the posterior part; the sole of the foot is pale orange flesh-colour. Mauritius. Found living on the ground. This species is consistent in its colouring, and is very striking in appearance. GIBBUS (GIBBULINA) CALLIFER, Morel. The sole of the foot of the animal is greenish flesh-colour, the |
