No. 4. 
No. 10. 
INos Tul: 
No: 12. 
No. 13. 
- e 
College of Forestry 
Body 45 mill. long (108). 
Stomach. 
Crustacea. 100 Hyalella knickerbockert....... 95 per cent. 
Insecta. Ze ChiIGOnomildelatcemesiee corer ioe : 
; : : 1 per cent. 
Uschironomid pups: yee tee 
Plants. Miscellaneous material ........... 4 per cent. 
Intestine with mass of digested matter in which were many legs 
and fragments of insects, probably Odonata. 
Body 63 mill. long (108). 
Stomach. 
Crustacea. 80 Hyalella knickerbockeri....... 50: per cent. 
Mollusca. 2 Ancylus parallelus .:.......... 5 per cent. 
Insecta. 220 donate tay hierarchies sear 5 per cent. 
O.Chironomids lamvse vor cherie ier 5 per cent. 
Insect legs and fragments......... 30 per cent. 
Plants. Algz and plant fragments........ 5 per cent. 
Intestine with fragments of insects, mostly legs. 
30dy 40 mill. long (108). 
Crustacea. 100 Hyalella knickerbockeri........ 75 per cent. 
Mollusca. =“lncylusparatlelisy as . see. 2 ose 1 per cent. 
Insecta. If SIOSOMINSNE, 5 Bola concen OO O.g oS 24 per cent. 
1 wing case of beetle. 
1 wing of dragon-fly. 
1 mutilated Hymenoptera. 
10 small beetles (Hydrovatus pustulatus) . 
1 beetle larva (Cnemidotus). 
2 chironomid larvee. 
1 chironomid pupe. 
1 nymph skin of Hemiptera (Plea striola). 
GROUP 3. ADULTS. 
Body 132 mill. long (114). 
Stomach and intestine empty. 
Body 120 mill. long (114). 
Stomach empty. 
Intestine, at anal end, packed with legs, wings and fragments 
of Odonata. 
Body 133 mill. long (114). 
Stomach. 2 round worms. 
Intestine, anal] end. 
Insecta. Odonata wings and legs......... 99 per cent. 
Mollusea. 1 Physa ancillaria warreniana, 3 
WOM MONE Sg Goma noon dooocs 1 per cent. 
Body 150 mill. long (114). 
Stomach and intestine empty. 
