. The atoll of Funafuti, Ellice group: its zoology, botany, ethnology, and general structure based on collections made by Mrs. Charles Hedley, of the Australian museum, Sydney, N. S. W. THE MOLLUSCA—HEDLEY. 485 Haminea vitrea, A. Adams. Pilsbry, loc. cit., p. 370, pi. xl., fig. 83. Two specimens from the lagoon beach. The "Chevert" Expedition took this species in Torres Straits. It occurred to me at Panie, New Caledonia ; and under the synonym of H. tenera, A. Adams, Melvill and Standen record it from the Loyalties. Cylindrobulla sculpta, JVevill. Pilsbry, loc. cit., p. 381, pi. xlii
. The atoll of Funafuti, Ellice group: its zoology, botany, ethnology, and general structure based on collections made by Mrs. Charles Hedley, of the Australian museum, Sydney, N. S. W. THE MOLLUSCA—HEDLEY. 485 Haminea vitrea, A. Adams. Pilsbry, loc. cit., p. 370, pi. xl., fig. 83. Two specimens from the lagoon beach. The "Chevert" Expedition took this species in Torres Straits. It occurred to me at Panie, New Caledonia ; and under the synonym of H. tenera, A. Adams, Melvill and Standen record it from the Loyalties. Cylindrobulla sculpta, JVevill. Pilsbry, loc. cit., p. 381, pi. xlii., figs. 36 - 38. Two living specimens from shallow water in the lagoon, corres- pond fairly to the above quotation. This Cingalese species has not been noticed before in the Pacific. Akera aperta, sp. nc (Fig. 47). Shell small, fragile, transparent, oval. Whorls two and a half, last sloping on the shoulder, then subangled and rounded below; sculptured by close, regular growth lines. Apex truncate. Spire minute, visible through a flat, glossy plate, which continues into a rib bordering the sutural notch. Aperture as long as the shell, much dilated and effuse below, narrowed above to the broad and deep sinus ; outer lip arched forward above the middle; columella very concave with a narrow sharply reflexed edge. Length 5, breadth 4 mm. Three specimens from sand on the lagoon beach. This curious shell agrees with Akera in having the spire at the vertex and in the open aperture, but it approaches Cylin- drobulla in the more involute spire. I am not satisfied that this may not be the young of the preceding species, but as no information is published on the immature stages of these genera, it seemed well to describe my material, even at the risk of increasing synonomy. Hydatina amplustre, Linne. Pilsbry, loc. cit., p. 390, pi. xliv., figs. 1-6. An immature specimen from the lagoon Fig. Please note that these images are extracted from scanned page images that may have b
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