34 



numbers of Carp. Cyprinus carpio, Goldfish. Carras- 

 sius auratus, and Tench, Tinea tinea escaped into 

 the small stream which flows from the lake, and 

 thence into the Olentangy River. In September, 

 1898, specimens of Tench were taken at the mouth of 

 this small stream, so that the county list now stands 

 at 70 species. Whether Tinea tinea will hold its own 

 and multiply in the streams is a question. It belongs 

 to the Cyprinidce, the Minnow family, and super- 

 ficially bears considerable resemblance to the Golden 

 Bream, Abrawis ervsoleueas. 



A FEMALE OF THE PURSLANE SAW-FLY, 



vSCHIZOCERUS SP?, WITH A MALE 



ANTENNA. 



By C. W. Mally 



During the summer of 1898, larvae of this insect 

 were observed to be mining very extensively in the 

 leaves of purslane, and a quantity of infested leaves 

 were placed in a breeding cage for the purpose of rear- 

 ing the adults. As soon as these adults emerged, they 

 were placed on a fresh plant in order that the method 

 of oviposition might be observed. After watching 

 them for some time, I noticed one female that appeared 

 to have longer and more slender antennas than the 

 others, and both seemed to be placed on one 'side. The 



