ON SCOTTISH DESMIDIE/E 177 



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



(Rev. D. Campbell). 



28. E. pulchdlum, Breb. Seems widely distributed, but occurs very 



sparingly. Sutherland, Aberdeen, Kincardine, Forfar, 

 Perth, Argyle. 



29. E. rostratiun, Ralfs. General, but scarce. 



30. E Sendtncrianum, Reinsch. 



ft latins, n. var. Extremely rare. 



Apices broader. Length, 43.2^; breadth at base, 25.6^; 

 breadth at apex, 19.2 //. 



Aberdeen, near Den of Maidencraig. 



31. E. simiosum, 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. ventricosuiii, Lundell. Not common. Sutherland, Inver- 



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



34. E. Ternicosuw, Ehr. General. 



STA URASTR UM (Mcyen\ Ralfs. 



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



Girnoc, corrie of Loch Ceanmhor ; Forfar Canlochan ; 

 Stirling Alva Glen. 



2. S. acuhatiim, Ehr. Not common. Ross, Inverness, Aberdeen, 



Kincardine, Forfar, Perth. 



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



Kincardine, Forfar, Perth. 



4. S. alternans, Breb. Not common. Sutherland, Ross, Inver- 



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



ft. pulchrum, Wille. Seemingly very rare. Perth Glen 

 Garry near Dalnacardoch. 



5. S. amKnum, Hilse. 



Forma Spetsbergensis, Nordst. Not common. Sutherland, 

 Ross, Inverness, Aberdeen, Kincardine, Forfar, Perth, 

 Dumbarton, Bute. 



6. S. anatimtm, Cooke and Wills. Very rare. Aberdeen Slew- 



drum and Blair Glas, and between Loch Kinord and Cambus; 

 Kincardine near Curran in Strachan ; Argyle Glen Coe. 

 This fine species was first detected in Connemara by 

 7 E 



