120 



51. T. scdbia Kost. Collected from (Iccayt'd wood \u-,\y Tippec-anoe 

 River, August 5. 



52. T. pcrsiiiiili.s Karst. Siiij^lo specimen eoUeeted July 2<!. Decayed 

 elm. 



53. T. loiccnsis McBr. Found growing in rotten wood near Tippe- 

 canoe River, August 5. 



8.'/. Lijfof/ala (■./■ifjiiinn Morg. Not common. Collected only once. 

 June 20. 



So. L. fiaro fuffcinii Kost. Several specimens collected from water 

 soaked decaying -wood. Turkey Lake, July 14. 



SG. L. vnnlatutn Pers. Aery common on all kinds of decaying trunks. 

 This species was found on almost every collecting trip. 



e. The Plankton of Wixona Lake. 

 Chanc'ey Juday. 



Wiuoua Lake is one of the numerous lakelets found in northern In- 

 diana. It is located in Kosciusko County about one mile (1.0 kilometers) 

 southeast of the city of Warsaw. Concerning the physical features of 

 the lake but little need be said as two hydrographic maps showing many 

 of these points, have been ]»u))lished; one by Large in 1800 (Proc. Ind. 

 Acad. Sci., 1S9<:>) and another l)y Norris in 1901 (Proc. Ind. Acad. Sci., 

 liHili. Tlie lake is irregular in oulline and has an average length north 

 and .south of about one and an eighth miles (l.S kilometers) and an aver- 

 age width east and west of about seven-tenths of a mile (1.1 kilometers; 

 witli a large bay extoiding westward from tlie north end. It has an 

 area of about 0.9 of a square mile (2.;; square kilometers) and a maximum 

 de])tli of eighty-one feet (twenty-five meters). Two small creeks flow 

 into the southeastern portion of tlie lake and there are several large 

 springs along the east side. 



The data for this paper were collected at the Indiana University 

 Biological Station during the summer of 190L I wish to acknowledge 

 my indebtedness to Dr. C. H. Eigenmann, Director of the Station, for 

 many courtesies shown me. I am also much indebted to Jlr. Clarence 

 Kennedy and Mr. Heilman C. "NVadswoith for their valuable assistance 

 both in making the observations and in the tedious work of counting the 

 material. 



