The Scottish Naturalist. 
21 
3. P. annulata. On SphagmuR in marshes. Rare. 
Tents Muir in Fife, Forfar. 
4. p. campanulata Dohie. Common on Ranunculus and 
other aquatic plants. 
In every loch in Fife, Perth, and Forfar. 
5. p. COrnuta Dohie. Common in ponds, lakes, and marshes. 
Perth, Forfar, Fife. 
6. P. spinata. (Yet undescribed), 5 lobed. Rare. 
Marsh at Lundie, Forfar. 
7. P. calva Tluds. On Sphagnu77i and Myriophyllum. Rare. 
Fife (Loch Lundie, Tents Muir), Forfar. 
8. P. coronetta GuUtt. On Sphagnum. Rare. 
Pond near Dundee, Forfar, marsh on Tents Muir, 
Fife. 
9. P. Cyclops Guhitt. On Ranunculus, Sphagnum. Not 
common. 
Camperdown Fish Ponds, near Dundee, Tents Muir. 
0. P. edentata Collins. On Myriophyllum. Rare. J. H. 
Black Loch. 
1. P. Hoodii Huds. On Myriophyllum and Sphagnum. 
Rare. 
Tents Muir, Loch Lundie, Fife, Forfar. 
2. p. longicaudata Huds. On Sphagnum and Ranunculus. 
Not common. 
Fife, Forfar, Perth. 
3. P. Ornata Ehr. Common in lakes, ponds, and ditches; on 
Myriophyllum and other aquatic plants. 
In tide-pools ; Firth of Tay, on Conferva. 
4. P. trilobata Collins. Common on Ranunculus, Myrio- 
phyllum, and Sphagnum. 
Loch Lundie, and lochs around Blairgowrie. 
Genus. — Stephanoceros Ehrenh. 
5. S. Eichhornii Ehr. In marshes. Not common. 
Black Loch, Stormont Loch, Perth. 
YpsMYly.—MELICERTIDJE. 
Genus. — Melicerfca. 
6. M. Janus Huds. Common on Myriophyllum and Ranun- 
culus. 
Lakes in Fife, Forfar, and Perth. 
