ON SCOTTISH DESMIDIE-dE 177 



27. E. Pokornyanum, Grunow. — Extremely rare. Ross — Poolewe 



(Rev. D. Campbell). 



28. E. pulchellum, Breb. — Seems widely distributed, but occurs very 



sparingly. Sutherland, Aberdeen, Kincardine, Forfar, 

 Perth, Argyle. 



29. E. rostratum, Ralfs. — General, but scarce. 



30. E Sendtneriannm, Reinsch. 



/3 /ati'us, n. var. — Extremely rare. 



Apices broader. Length, 43.2/x; breadth at base, 25.6//; 

 breadth at apex, 19.2 /x. 



Aberdeen, near Den of Maidencraig. 



31. E. si?iuosum, Lenorm. — Rare. Aberdeen — near Kintore, Upper 



Powlair, Birsemore Loch, South Birsemore, Dalbagie and 

 Castleton ; Kincardine — Cammie, Curran, and Dalbrake in 

 Strachan ; Perth — Glen Garry, Rannoch, and near Coilan- 

 togle Ford. 



32. E. sublobatum, Breb. — Not common. Sutherland, Ross, Inver- 



ness, Aberdeen, Kincardine, Forfar, Perth, Argyle. 



33. E. ventricosum, Lundell. — Not common. Sutherland, Inver- 



ness, Aberdeen, Kincardine, Perth, Argyle, Arran. 



34. E. verrucosus, Ehr. — General. 



ST A URASTR UM (Meyen), Ralfs. 



1. S. acarides, Nordst. — Rare. Aberdeen — Craig Phiobaidh near 



Girnoc, corrie of Loch Ceanmhor ; Forfar — Canlochan ; 

 Stirling — Alva Glen. 



2. S. aculeatum, Ehr. — Not common. Ross, Inverness, Aberdeen, 



Kincardine, Forfar, Perth. 



3. S. acutum, Breb. — Not common. Ross, Inverness, Aberdeen, 



Kincardine, Forfar, Perth. 



4. .V. alter nans, Breb. — Not common. Sutherland, Ross, Inver- 



ness, Aberdeen, Kincardine, Forfar, Perth, Fife. 



fi. pulihrum, Wille. — Seemingly very rare. Perth — Glen 

 Garry near I )alnacardoch. 



5. S. amu-nuHi, 1 1 Use. 



I 1 unia SpetsbergenstSi Nordst. — Not common. Sutherland, 

 ROSS, Inverness, Aberdeen, Kincardine, Forfar, Perth, 



I Dumbarton, Bute. 



f). S. anatinum, Cooke and Wills. — Wry rare. Aberdeen — Slew- 

 drum and Blair Glas, and between Loch Kinord and ('ambus; 

 Kincardine — near Curran in Strachan \ Argyle— Glen Coe. 

 This line species was fust detected in Connemara by 



7 1 



