WORK OF A CHALCIDID IN SEEDS OF PACIFIC COAST CONIFERS. 



a Cross section of sound, mature white fir cone with unaffected seed; 

 b, yellow pine seed, enlarged, infested by larvae and newly trans- 

 fomed adults of a seed chalcidid; two unopened seeds show exit 

 holes made by these insects; c, cross sections of two maggoty 

 white fir cones; d, male and female adults of seed chalcidid, larva 

 in opened seed of red fir and exit holes in two other seeds of 

 same. (Original.) 



