oll 
5. Deap TIMBER AND BrusH AREAS 
Deap TiMBER AND BrusH AREAS, VICINITY or Havana,* Aue. 18 To Ocr. 16, 1914 
A Borrom FAuNA 
6 CoLLEecTIONS, Derru, 1.5 tro 4 Fy. So Me VEGETATION 
Number per square yard| Pounds per acre 
Campeloma :subsolidum 1.6 4.8 
6.6 29.8 
Vivipara contectoides 5.0 25.0 
Amnicola emarginata 45.0 1.6 
A. limosa 10.0 0.5 
Valvata’ spp. 531.6 29.2 
Physa, small sp. 6.6 15 
Planorbis trivolvis 1.6 724.5 Te: 87.1 
Planorbis, small sp. 3.3 trace 
Young Unionidae 1.6 3.2 
Musculium transversum 98.2 49.0 
Pisidium sp. 26.6 1.0 
Chironomid larvae (large spp.) 40.0 26.8 
Chironomid larvae (small spp.) 61.6 | 8.6 
Palpomyia larvae 10.0 0.7 
Caddis larvae 3.3 269.8 0.3 44.0 
Small leeches 13.3 2.2 
Small Oligochaeta 5.0 ! trace 
Hyalella knickerbockeri 136.6 5.4 
Total 1,000.9 160.9 
ae * Head Quiver Lake; head’ Dogfish Lake; ridge between Flag and Thompson 
akes, 
DrEAD TIMBER AND BrRuSH AREAS, VIcINITY OF Havana,* Ava. 31 To Sept. 11, 1915. 
Bottom FAUNA 
10 CoLLecTions, DeprH, 1.5 To 3.5 rt. SOME VEGETATION 
Number per square yard| Pounds per acre 
Vivipara contectoides 33.5 33.5 167.5 167.5 
Valvata spp. 13.0 | 0.7 
Small Planorbis sp. 1.0 15.0 0.1 13 
Musculium jayanum 1.0 0.5 
Chironomid larvae (large spp.) 41.0 27.4 
Small leeches 37.0 78.0+ 6.2 33.6+ 
Hyalella knickerbockeri present 
Total gt 126.5-+ 202.44 
* Head of Clear Lake; head of Dogfish Lake; ridge between Quiver and Dogfish 
lakes; ridge between Flag and Thompson lakes, 
