50 



Af i SCIENCE BULLETIN, No. 18. 



Fig. 2\.-~Astefolecaiiium qtiercicoli 



Fig. 35. — Asterolecanium stypheliK, 



*■•;. 36. — Asterolecanium venlruosum. 



Fig 37. — Asterokcaiiium retitruosum. 

 Small Variety. 



