PTJLMONATA.^ — LIMN.WD,«. 277 



Limnsea arenularia, Deshayes, 1825. 



Lymnie des grh. 



Ann. Mus. 1810, vol. 15. pi. 24. figs. 5, 6, p. 409. 



Lymneea arenularia. 



Coq. Foss. Paris, 1825, vol. ii. pi. xi. figs. 7, 8, p. 93. 



LimntEU arenularia. 



Mon. Pal. Soc. 1852, pi. xiv. figs. 13", 1.3^ p. 95. (F. F. Edwards Coll.) 



Desc. Anim. sans Vert. 1863, vol. ii. p. 720. 



Ann. Soc. R. Mai. Belgique, 1889, vol. xxiv. p. 330. 



Horizon and Localities. 



Oligocene. — Headon Beds. Hordwell : lleadon Hill. 



Iiimnsea caudata, Edwards, 1852. 



LimiicEU caudata. 



Mon. Pal. Soc. 1852, pi. xii. figs. 2", 2", p. 83. (F. E. Edwards Coll.) 

 Land- u. Siissw .-Conch. 1873. pi. xv. fig. 20, p. 272. 



Horizon a?id Localities. 



Oligocene.— Headov Beds. lleadon Hill ; Hordwell. 



Iiimnsea caudata, var. abbreviata, Edwards, 1852. 



Limnaa caudata, var. abbreriata. 



Mon. Pal. Soc. 1852, pi. xii. fig. 2% p. 83. (F. E. Edwards Coll.) 



Horizon and Localities. 

 Oligocene. — Headon Beds. Headon Hill ; Hordwell. 



Iiimnaea cincta, Edwards, 1852. 



Liinnaa cincta. 

 Mon. Pal. Soc. 1852, pi. xiv. figs. 5% &, p. 94. (F. E. Edwards Coll.) 



Horizons and Localities. 



Oligocene. — Betnbridr/e Beds. Bembridge. — Headon Beds. Headon Hill. 



Limnsea columellaris, J. de C. Sowerby, 1826. 



Limmea columellaris. 



Mineral Conchology, 1826, pi. 528. fig. 2. (Sowerby Coll.) 

 Mon. Pal. Soc. 1852, pi. xiii. figs. 9", OS p. 91. (Sowerby Coll.) 



Horizons and Localities. 

 Oligocene. —Bemhridge Beds. Sconce. — Headon Beds. Hordwell ; Headon 

 Hill. 



Limnsea convexa, Edwards, 1852. 



Limnaa conrexa. 



Mon. Pal. Soc. 1852, pi. xiii. figs. 7", 7", p. 92. 



Horizon and Locality. 



Oligocene. — Headon Beds. Headon Hill. 



Limnsea costellata, Edwards, 1852. 



Limnaa costellata. 



Mon. Pal. Soc. 1852, pi. xiii. figs. 10», 10'', p. 93. (F. E. Edwards Coll.) 



Horizon and Locality. 

 Oligocene. — Headon Beds. Headon Hill. 



