 | William Nicholson - 1809 - 716 páginas
...valves flattish, the other gibbons at the base with a produced beak, generally eurred over tlie hinge ; one of the valves often perforated near the base ;...hinge with a linear prominent cicatrix and a lateral toMi placed within, but in the flat valve OD the very margin ; two bony rays for tlie base of the animal.... | |
 | Encyclopaedia Britannica - 1810 - 824 páginas
...valves rlattiih, the other protuberant al the bafe : one of the valves often perforated near the bafe. Hinge with a linear prominent cicatrix, and a lateral tooth placed within ; but on the very margin of the flat valve there are two bony rays for the bafe of the animal. 1 6. M. Animal... | |
 | 1811 - 710 páginas
...cither gibbous at the base, _ 'vyjth a produced^ beak, generally curved'. qver . the hinge ; one ofi'the valves often perforated - /near the base- Hinge with...and a lateral tooth placed within ; but in the flat valve^'oflithe very margin, two bony rays, for ' the" base 'of tti'e aninial. • "lo5 ?cfrf: • '•... | |
 | Samuel Brookes - 1815 - 250 páginas
...perforated at the base 5 hinge without teeth, with a linear prominent cicatrix and a lateral tooth within, but in the flat valve on the very margin. Two bony rays for the base of the animal." — LINN. THE different species which compose this genus of shells vary considerably in their form... | |
 | Samuel Brookes (F.L.S.) - 1815 - 202 páginas
...often perforated at the base; hinge without teeth, with a linear prominent cicatrix and a lateral tooth within, but in the flat valve on the very margin. Two bony rays for the base of the animal."—LINN. THE different species which compose this genus of shells vary considerably in their... | |
 | William Nicholson - 1819 - 432 páginas
...valves fiuuish, the other gibbous at the base, with a produced beak, generally curved over the hinge ; one of the valves often perforated near the base ,...margin ; two bony rays for the base of the animal. There are nearly fifty species enumerated by Gmelin, found in different parts of the world. A. ephippium... | |
 | 1823 - 878 páginas
...one of the valves flattish, the other protuberant at the base : one of the valves often peplorated near the base. Hinge with a linear prominent cicatrix, and a lateral tooth placed within ; but on the very margin of the flat valve there are two bony rays for the base of the animal. i(>. M. Animal... | |
 | John Warren - 1834 - 262 páginas
...flattish the other gibbous at the base, with the beak produced and generally curved over the hinge ; one of the valves often perforated near the base hinge,...but in the flat valve, on the very margin. Two bony rings for the base of the animal. Many of this genus are only found fossil, and therefore it is not... | |
 | Wernerian Natural History Society, Edinburgh - 1839 - 916 páginas
...valves flattish, the other gibbous at the base, with a produced beak, generally curved over the hinge ; one of the valves often perforated near the base....margin, two bony rays, for the base of the animal. 1. ephippium. PDM Not uncommon, adhering to oysters, stones, &c. Frith of Forth. The variety named... | |
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... hinge : one of the valves often perforated near the base: hinge with a linear, prominent cicatrix, and a lateral tooth placed within, but in the flat valve, on the very margin : two bony rays for the lass of the animal. 