104 ANNALS OF SCOTTISH NATURAL HISTORY 



A large form occurs in Aberdeen at the Vat and in the 

 Corrie of Loch Kandor, and in Perth on Ben Lawers and 

 at Bracklin. 



73. C. homalodernnim, Nordst. Not common. Ross Poolewe ; 



Inverness Glen Urquhart ; Aberdeen Auchterless, Birse, 



Cambus-o'-May, Culblean, Glen Callater, etc. ; Kincardine 



- Durris ; Forfar Clova Tableland and Canlochan ; 



Perth - - Durdie, Ben Lawers, Rannoch, Lochearnhead, 



Bracklin ; Stirling Alva Glen ; Argyle Mull. 



74. C. impressulum, Elfv. General, but scarce. 



75. C. intermedium, Delp. Rare. Inverness- in Skye, near Por- 



tree ; Aberdeen near Aboyne ; Argyle in Mull, near 

 Tobermory (Mr. George Ross). 



76. C. isthmochondrum, Nordst. Not common. Inverness Loch 



Ruthven (Mrs. Farquharson) ; Aberdeen not uncommon ; 

 Kincardine Bishop's Dam in Strachan : Forfar Tannadice 

 Curling Pond and Clova Tableland ; Perth Durdie, and 

 near Fowlis Wester ; Argyle Glen Coe. 



77. C. Jiaco&senii, Roy (C. moniliferuin, forma., Jacobsen, " Desmid. du 



Danemark," p. 200, Tab. VIII. fig. 24). Not common. 

 Aberdeen Slewdrum, Presswhin, Logie-Coldstone, Glen 

 Clunie ; Kincardine Crathes, Dalbrake in Strachan. 



78. C. jenisejense, Boldt. Very rare. Inverness Cairngorm. 



79. C. Kjellmani, Wille. Very rare. Aberdeen Dalbagie near 



Ballater, Slewdrum. 



Sub. sp. grande, Wille. Very rare. Aberdeen Bourtie. 



80. C. Iccve, Rab. Very rare. Aberdeen Tonley ; Perth Glas 



Mhoel. 



(3 septentrionale, Wille. Rare. Inverness Loch Ruth- 

 ven (Mrs. Farquharson) ; Aberdeen Slewdrum in 

 Birse ; Kincardine Nigg ; Perth Bracklin ; Stir- 

 ling Alva Glen ; Kirkcudbright New Galloway. 



8 1. C. latifrons, Lundell. Extremely rare. Forfar Barrelwell 



Moss near Brechin (Mr. Scott). 



82. C. latum, Breb. Not common. Sutherland near Loch 



Inver ; Ross Falls of Connon ; Inverness Loch Ruthven 

 (Mrs. Farquharson) ; Aberdeen many localities ; Kincar- 

 dine Cammie in Strachan ; Forfar- Menmuir, Balquhadly 

 in Fern ; Perth Durdie and Glen Shee ; Stirling Fintray 

 Hills. (Our Plate II. fig. 10.) 



