134 Nature protected 
C. lasiocarpay Salix caprea, S. aurita, 
S. myrtilloides, Betula verrucosa, B, 
nana, B, intermedia, B. pubescens, 
Drosera rotundifolia^ Comarmn pa- 
lustre, Peucedanum palustre. Ledum 
palustre, Vaccinium uliginosum, V, 
Oxy coccus, Andromeda Polifolia, Cal- 
luna vulgaris, Lysimachia thrysiflora, 
Menyanthes trifoliata, Utricular ia in- 
termedia, and U, minor. The bog- 
mosses are abundantly covered with 
many Collembola ; and the tussocks 
of grasses and sedges show the 
great abundance of certain members 
of the animal world, ants, caterpillars, 
spiders (e.g., Agalena labyrinthica), 
myriapods, and numerous others not 
yet fully investigated. On the dwarf 
birch, Mytilespis, Amphigerontia in- 
termedia, and other Psocidae (or death- 
watches) are found. 
In the forest-district of Chorin, near 
Berlin, some fenland with a lake, alto- 
