EXPERIMENT STATION BULLETINS. 



395 



iJftmeri, 4/t. 



Plate II.— Transformations of the celery caterpillar, a, egg; 6. fall grown caterpillar; 

 c, front view of the head, showing the scent organs; d, chrysalis attached to a stem; 

 e, butterfly at rest; /, butterfly with wings spread — (after Weed). 



PAEIS GREEN AS A REMEDY. 



Our usual remedy for all caterpillars is Paris green or some of the 

 arsenites, when they can be used without endangering the plant for food. 

 Oelery is a plant that will permit the poison to settle around the edible 

 portion at the base and caution has been used in recommending the 



