COPEIA 63 



ry in Clark County, Virginia, at an altitude of 500- 

 900 feet. The following species were observed. 



Plethodon glutinosus (Green). One specimen 

 under a log. Spelerpes bislineatus (Green). A few 

 adults, many transforming larvae, and a few young 

 larvae. Spelerpes longicaudus (Green). 4 adults 

 and 3 larvae. Spelerpes ruber (Daudin). 2 one- 

 year-old larvae. Desmognathus fusca ( Rafinesque ) . 

 Bufo americanus Holbrook. Hijla versicolor Le- 

 Conte. None were seen but they could be heard each 

 night in the trees. Acris gryllus ere pit cms (Baird). 

 Rana eatesbeiana Shaw. Rana clamata Daudin. 

 Rana palustris LeConte. Sceloporus undulatus (La- 

 treille). Not common, only one seen. Thamnophis 

 sauritus (Linnaeus). 1. Natrix septemvittata 

 (Say). 1. Natrioc sipedon (Linnaeus). 6. Lam- 

 propeltis tricing idus (Boie). 1, about a yard long. 

 The blotches were dark red and reached the second 

 scale row. Diadophis punctatus (Linnaeus). 2. 

 Virginia valeriae Baird and Girard. 1. Bascanion 

 constrictor (Linnaeus). 3. Elaphe obsoletus (Say). 

 2. Ancistrodon contortrioc (Linnaeus). 6. They hid 

 all day in the rock slides on the mountains and came 

 out at night. Specimens were caught passing through 

 the camp after dusk. Crotalus horridus Linnaeus. 

 1, caught swimming the river. Chelydra serpentina 

 (Linnaeus). Pseudemys rubriventris (LeConte) ? A 

 large river terrapin which was not caught is referred 

 to this species. Terrapene Carolina (Linnaeus). 



E. R. Dunn, 

 Haverford College. 



CHLORETONE, A KILLING AGENT 



For some time I have been using chloretone as 

 a killing agent for batrachians and reptiles, and it 

 seems to be in a measure superior to either chloro- 

 form or ether. In use the animal is simply dropped 

 into a 1% solution, and no more uneasiness appears 

 than when the same individual is immersed in pure 



