N E R IT A. 171 



Linn, names. Gm. Engl, names. Synonyms. Habitat. 



18 Zebra Zebra E.ikf.f.455,/.3. u. 



19 Mammilla 3672 Nipple L. t. 57 i J'. QQ. G.t. 67, 



f.C. C.5, t.l89j.l928- 

 31. £.M.?.453,/.5. W.Indies. 



20 Papilla 3675 pap-shaped C.5, f.l89,/.1939. Tranquebar. 



21 pallidula pallid D.I, #.16,/ 1. JW.p.468. 



i.r.8,p.22G. Britain. 



22 Corona 3675 Eastern i'.f.61,/.D.7. C.9, #.124, 



crown y*. 1083-4. Ganges&China.Fr.w. 



23 Radula 3676 rough-rib. B.#.17,/.7,8. C.5, M90, 



/. 1946-7. Amboyna. 



24 Magdalenae 3677 Magdalen ^.#.13,/:5. Magdalen Islands. 



25 cornea 3676 horn S.ConcJi.l, p.'323. Red Sea. 



26 fluviatllis 3676 river X. #. 141, /. 38 & #. 607, 



f.43.G.t.4.f.L.L.C.9, 

 M24,/.1088.D.1,M6, 



/.2. M.pATO 



Britain, (Sec. Fr.vv. 



27 littoralis 3677 strand X.#.607,/.39-42. G.it.64, 



/.N. C.5, M 85,/. 1854. 

 D.l, #.20,^:2. M.p.467. 



38 lacustris 3677 lake G.t.4,f.M.M. Europe. Fr.w. 



29 dubia 3676 black mark.C.5,#.193,/2017-20. u. 



30 marginata 3677 margined S.EinU2, t.4,f.l6. V. 



31 pulligera 3678 reddish X. f. 143,/ 37. G.t.4, 



/ H. 11. C. 9, t. 124, 

 /. 1078-9. E.MtA55, 

 f.l. India. Fr.w. 



i:2 



