30 
The Irish NatnralisL 
February, 
Mytilus." 
79. " Cygneus [Anodonta cygnea {Linne).] 
Lakes in the C. Monaghan, &c. In the Friar's 
Glen the Reservoir of the Head level of the 
Lagan Canal, Sepr. 27. 1817," 
' ' VOLUTA 
86B. denticulata. Lin. Tran. 8. 130. Mon. t. 20. f. 5. 
[Phytia myosotis (Drap.), var. denticulata Mont.] 
Found by Miss Templeton at Bangor — 1818." 
''Turbo." 
108. " UlvcB. [Paludestrina stagnalis (Baster).] 
Common on the Zostera in Belfast Lough." 
iio-i. " Fontinalis. Lin. Tran. 8. 168. Mont. p. 22. f. 4. 
[Valvata piscinalis (Muller).] 
In the Canal &c." 
1 10-3. " NauHleus. Lin. Tran. 8. 169. p. 4. f. 4. 
[Planorbis crista (Linne).'] 
On the leaves of Potamogeton Natans in the 
Rushy bog drain." 
113. Perversus. Lin. Tran. 8. 181. Shell turret like, 
spires contrary, striated and the aper- 
ture without teeth. 
[Balea perversa (Linne).] 
Common among moss. 
114. Muscorum. [? Pupa cylindracea (Da Costa).] 
Found but forget to mention where." 
" Helix. 
stagnalis. 
Lymnaea stagnalis Lamarck. 
[No locality given here. See below.] 
115. planorbis. [? Planorbis umbilicatus (Drap.).] 
[No locality given.] 
116. Vortex. [? Planorbis vortex (Linne).] 
Ditches. 
117. Cornea. [? Planorbis corneus (Linne).] 
In a rushy bog drain. July 19. 1810. 
118. Contorta. Lin. Tran. 8. 191. Mon. [p.] 25. 
[Planorbis contortus (Linne).] 
In the Lagan, In the Rushy bog Drain, 
