186 THE SCOTTISH NATURALIST 



It is further to be noted that though a very large amount 

 of material was carefully worked through, comparatively few 

 species not previously recorded have been found, and no 

 species nor varieties sufficiently distinctive to warrant regard- 

 ing as new, were discovered. 



Several gatherings of interest were made on Ben 

 Nevis : 



i. Ground moss taken near the summit (approx. 4000 feet) 

 yielded 



Numerous Amcebulce ; 



Assulina muscorum, Greeff; 

 Corythio?i dubium, Taranek ; 

 Trinema lineare, Penard ; 



and a few individuals, probably Pseudodifflugia fulva, Archer. 

 (Size 19 //..) 



2. A second gathering, similar in character, made at about 

 3000 feet, yielded 



Difflugia constricta, Ehrenb. 

 Nebela tincta (Leidy), Awerintz. 

 Arcella arenaria, Greeff. 

 Assulina muscort/m, Greeff. 

 Euglypha strigosa (Ehr.), Leidy. 



denticulata, Brown. (In conjugation.) 

 Corythion dubium, Taranek. 

 Trinema enckelys, Leidy. 



lineare, Penard ; and again, 

 Pseudodifflugia fulva, Archer. 



3. A sphagnum gathering made at 2000 feet (the highest point 

 at which sphagnum was noticed) gave 



Arcella catinus, Penard. 

 Nebela collaris, Leidy. 



lubulosa, Penard. 



tubulala, Brown. 



dentistoma, Penard. 

 Pontigulasia elisa (Pen.), Schoudt. 

 Quadrula symmetrica (Wallich), Schiilze. 

 Heleopera petricola, var. amethystea, Penard. 



