. Annals of the Lyceum of Natural History of New York. Natural history; Natural history -- New York (State); Science; Science -- New York (State). with a revision of the Limnceidce of Authors. 347 Physopsis (Africana). Animal unknown. Shell sinistrally spiral, ovate. Columella truncate, plicate, involute. Outer lip simple. The truncation of the columella would seem to indicate important differences in the mantle edge. Fio. Rulula of ChUina ovalis.—l. Central Tooth. 1-48. Laterals. 14X. Section of 14th lateral. Chilina (pvalis Sby). Teeth comb-like (see Fig. 3). Central quinquedentate, br
. Annals of the Lyceum of Natural History of New York. Natural history; Natural history -- New York (State); Science; Science -- New York (State). with a revision of the Limnceidce of Authors. 347 Physopsis (Africana). Animal unknown. Shell sinistrally spiral, ovate. Columella truncate, plicate, involute. Outer lip simple. The truncation of the columella would seem to indicate important differences in the mantle edge. Fio. Rulula of ChUina ovalis.—l. Central Tooth. 1-48. Laterals. 14X. Section of 14th lateral. Chilina (pvalis Sby). Teeth comb-like (see Fig. 3). Central quinquedentate, broad ante- riorly. Laterals with the base prolonged anteriorly, beyond the insei-tion of the cusps; inner edges smooth, arcuated; outer edges denticulated. Jaw none. Formula Tentacles biangulate, rhombiform. Eyes sessile between the angles. Genitalia on the right side. Penis short, stout, opening on the neck behind the right tentacle. Testicle, etc., closely bound up in a mus- cular sheath which covers the male genitalia, as in Siphoinirin. Va- gina large, ovate, opening on the neck below the mantle edge. Pos- terior end recurved, oviduct long, slender; ovaries in the extremity of the spire. Genital bladder spherical, pedunculated on ;i \n\ long tubidar canal. Salivary gland spherical, enormous ; of a yellow color. Buccal mass small; oesophagus slender, crop or stomach very small; descending intestine wound around the salivary gland and opening through the mantle lobe, as in Siphoiiarin, on the right side. Liver moderate, brown. Foot sharply pointed behind. Mantle edge provided with a prominent flattened lobe, covering the opening of the pulmonary cavity, otherwise not extending beyond the shell. Labia produced. Shell dextro-spiral. Columella involute, plicate or dentate. Outer lip Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not
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