276 Part III. —Ninth Annual Report 



was examined. Invertebrate organisms were abundant, the larger part 

 consisting, as in the case of the other lochs described, of Entomostraca. 

 These included several rare forms not observed elsewhere, such as Leydigia 

 quadrangularis and Peracantha truncata among the Cladocera, and 

 Cypris obliqua, Cypris pubera, and a Candona that appears to be unde- 

 scribed, among the Ostracoda. The following are the lists of species 

 observed in the three lochs : — 



MOLLUSCA. 



Sphcerium lacustre, Miiller: Raith Lake, not common. 



Pisidium pusillum, Gmelin. Raith Lake, Camilla Loch, Lochgelly Loch. 



,, fontinale, Drap. Raith Lake and Lochgelly Loch. 



,, nitidum, Jenyns. Raith Lake. 

 Valvata piscinalis, Miiller. Raith Lake and Lochgelly Loch. 

 Planorbis albus, Miiller. Raith Lake and Lochgelly Loch. 



,, nautileus, Linne. Raith Lake, Camilla Loch, Lochgelly Loch. 



,, contortus, Linne. Raith Lake, Camilla Loch, Lochgelly Loch. 



Physa fontinalis, Linne. Raith Lake, not common. 

 Limncea peregra, Miiller. Raith Lake and Lochgelly Loch. 



,, truncatula, Miiller. Raith Lake and Lochgelly Loch. 



CRUSTACEA. 

 Amphipoda. 

 Gammarus pulex (Linne). Common in the three lochs. 



COPEPODA. 



Diaptomus gracilis, G. 0. Sars. Raith Lake frequent, Lochgelly Loch. 

 Cyclops tenuicornis, Claus. Raith Lake, not very common ; Lochgelly Loch. 



,, phaleratus, Koch. Raith Lake (with ova), Lochgelly Loch, 



,, affinis, Sars. Raith Lake (with ova). 



,, serrulatus, Fischer. Common in the three lochs. 



,, thomasi, Forbes. Lochgelly and Camilla Lochs. 



,, viridis, Jurine. Frequent in Raith Lake and Lochgelly Loch. 



,, crassicomis, Miiller. Frequent in Raith Lake and Lochgelly Loch. 

 Canthocamptus minutus. More or less frequent in the three lochs. 

 Atheyella spinosa, Brady. Lochgelly Loch. 



Ostracoda. 



Cypria exsculpta, S. Fischer. Lochgelly Loch, frequent. 



,, ophthalmica (Jurine). Common in the three lochs. 



,, serena (Koch). Common in the three lochs, and especially Camilla. 



,, Icevis (0. F. Miiller). Lochgelly Loch, frequent. 

 Cypris pubera, 0. F. Miiller. Lochgelly Loch, not common. 



,, obliqua, Brady. Lochgelly Loch, frequent. 

 Erpetocypris reptans (Baird). Frequent in the three lochs. 

 Cypridopsis vidua (Miiller). Common in the three lochs. 



,, villosa (Jurine). Frequent in Lochgelly and Raith Lakes. 



Potamocypris fulva, Brady. Frequent in the three lochs. 

 Notodromas monacha (0. F, Miiller). Frequent in Lochgelly and Camilla Lochs. 



Raith Lake, rare. 

 Candona Candida (0. F. Miiller). Common in the three lochs. 



,, lactea, Baird. Frequent in Lochgelly and Camilla Lochs. 



,, pubescens (Koch). Frequent in Lochgelly and Camilla Lochs. 



n rostrata, Brady and Norman. Raith Lake, not very common. 



