71 
IjIST op rotifbra found within a radius of 
twenty miles round dundee. 
By John Hood, F.R.M.S. 
( Concluded from p. 25,) 
Family.— TRTAETHEID^. 
Genus. — Polyarthra JShr. 
03. P. platyptera ^hr. In ponds and marsh pools. Common. 
Tents Muir ; Emmock Wood ; Fife ; Forfar ; Perth. 
Genus. — Pteroessa Gosse. 
64. P. surda Gosse. Black Loch, near Blairgowrie. Rare. 
Genus.— Triarthra Mr. 
65. T. longiseta ^hr. Sometimes met with in large numbers, 
in ponds and ditches in Forfar and Fife; but not common 
usually. 
66. T. mystacina £Jhr. Met with once or twice in a pool in 
Emmock Wood ; but rare. 
Family.— RYDATmin^. 
Genus.— Hydatina Mr. 
67. H. senta £Jhr. Common in stagnant pools, near farm- 
yards, in spring and early summer. (Males, May and 
June). Fife and Forfar. 
Genus. — Notops Hudson. 
68. N. clavulatus Bhr. In marshy pools, on Tents Muir and 
in Stormont Loch. Not common. 
69. N. hyptopus Mr. In marshy pools, on Tents Muir. 
Not numerous. 
Family.— J^O TO MM A T I D uE. 
Genus. — Notommata Gosse. 
70. N. aurita Ehr. Rea Loch ; White Loch, Blairgowrie ; * 
Tents Muir. Common. 
71. N. cyrtopus Gosse. In marshy pools. Perth; Fife; Pit- 
caro, Forfar ; but not common. 
72. N. brachyota Ehr. Black Loch, Loch Rea, Marlee Loch. 
Not rare. 
