i:y \v. l. may. 69 



Family Limnceidce. 

 Amphipeplea, Nilsson Hist. Moll. Succ., 1822, p. 5S. 



7. li hoik ik'k. Ten. -Woods, Limnaea, P. and P. Roy. Soc. 



Tasm., 1875, p. 71 = hobartonensi8, Ten. -Woods, op. 

 cit. = //iiiiin ■Ktuin nets, Ten.-Woodsj, op. cit., Petterd 

 Journ. Conch, ii., 1879, p. 81 ; Proc. Roy. Soc, Tasm. 

 for 1888, p. 65, pi. 2, f. 11. Tale, Proc. Roy. Soc. 

 Tasm., 1884, ;>. 214; Petterd, op. cit. gives reasons 

 for tin above synonymy; Ten.-Woods P. and P. Roy. 

 Soc. Tas., 1878, p. 72, say- hobartonensis=L. peregra. 

 X [son, Journ. Conch, ii., 1879, says the same. 



Limn, to, Lamarck, Mem. Soc. Nat. Hist., 1799. p. 75. 



8. gunnii, Petterd, P. and P. Roy. Soc. Tas., 188* 

 '66, pi. 2, f. 10. Hab. South Esk River, near Laun- 



bon. The author remarks that the animal at once 

 separates it. from the last species. 



9. 8ubaquatili8, Tate, vai Petl rd op. cit. p. 



66, PI. 2 f. 13. Hab.- In T a Tree ewamp, mar Laun- 

 ceston. 

 Bullinus, Oken. Lehrb., 1815, p. 303. 



in. apertus, Sowerby, Physa, Conch, [con. PI. 11, f. 88, 

 a.b. Hab. Creeks 1m... n Hamilton and New Nor- 

 folk, Tasmania, also the vicinity of Launceston and 

 the Great Lake. Typically verv rounded in outline, 

 but variant- bring it sensibly near tie short r forms of 

 pyramidata. 



11. gibbosus, Gould, Physa, Proc Boston Nat. Hist, ii., 



1847, p. 214, Sowerby, Conch, [con, f. 27. Smith, 

 Journ. Linn. Soc. XVI., 1881, p. 278, pi. 6, f. 3-4 ? = 

 nitida, Sowerby, op. cit. pi. 12, f. 89 = tasmanica, var. 

 a. Ten.-Woods, 1'. and P. Roy. Soc, Tas. 1875, p. 

 75, PI. IX., fig. ±= tasmanica var. b. Ten.-Woods, op. 

 cit. PI. IX., f. 5. These varieties are probably 

 gibbosus in a rather juvenile state = ciliata, Ten.- 

 Woods, op. cit. p. 75, of the four specimens mounted 

 on the type card, two seem to be of this species, 

 and two, PI. IX., f. 6, may possibly be juvenile of 

 the next species. Hab. widely distributed, but over- 

 looked or attributed to other species, near Waratah, 

 Bruny Island, etc. 



12. mamillatus, Sowerby, Physa, Conch. Icon. pi. 12, f. 90. 



1 = ci1iata, Ten. Woods, pars. This species is separat- 

 ed from /'. attenuatus, Sowerbv, from the same 

 locality, by its remarkable mucronate apex, but in- 

 termediaries may yet be found. Hab. Lake Dulver- 

 ton, m ar < )atland3. 



