487 
5. Havana to LAGRANGE Dam, 1915 
16 CHANNEL CorLections, Aug. 2, 4, 5, 6, 27, 1915 
HAVANA TO LAGRANGE Dam (42.5 MILES) 
Number per square yard | Pounds per acre 
Campeloma subsolidum 5.0 15.0 
Lioplax subcarinatus 0.33 0.3 
Vivipara contectoides and subpur- 5.57 16.0 
purea 0.12 0.6 
Pleurocera sp. 0.12 0.1 
Musculium transversum 6.0 6.0 3.0 3.0 
Small oligochaetes 0.33 0.1 
Small leeches 1.0 ey 
Asellus sp. 1.0 trace 
‘ 3.77 3.0 
Hydropsyche larvae 1.2 0.2 
Hexagenia bilineata (nymph) 0.12 1.0 
Chironomid larvae (small spp.) 0.12 trace 
Total ¥ 15.34 22.0 
