534 PROCEEDINGS OF TUB THIRD ENTOMOLOGICAL MEETING 



20 cm. Pit. — 1,000 bolls ; much decayed, mostly broken up. In these were — 

 Found 3 live Pink Bollworm larvae. 

 1 live pupa. 

 14 empty pupa cases. • 



Plot II. Bare faUow. 

 Bolls buried 18th January 1917. Kemoved first lot of bolls, 30th April 1917. 

 5 cm. — 1,000 bolls ; majority of bolls whole — not broken up. Least decayed of 

 this series. 

 Found 124 Pink Bollworm larvse alive. 

 6 pupje alive. 



19 empty pupa cases. 



N.B. — Most of the larvse in unusually thickly woven and tough cocoons. 

 10 cm. — 1,000 bolls — condition good, many broken, but not in such good condi- 

 tion as 5 cm. 

 Found 10 Pink Bollworm larvae alive. 



live pupae. 



36 empty pupa cases. 

 15 cm. — 1,000 bolls ; very much decayed, nearly all broken up — 

 Found 1 live Pink Bollworm larva. 

 5 live pupae. 

 10 empty pupa cases. 

 20 cm. — 1,000 boUs. Very much decayed, broken up mostly — in fact, nearly all — 

 Found 1 live Pink BoUworm larva. 



1 live pupa. 



13 empty pupa cases. 



Plot III. Under Wheat. 

 Bolls buried 16th January 1917. 

 Wheat sown 25th January 1917 ; no watering given. 

 28th January 1917 ; a light watering. , 



26th March 1917 ; watered. 

 16th April 1917 ; Cut wheat — ripe. 

 Bolls removed 29th April 1917. 



5 cm. Pit — 1,000 bolls in good condition — only a few broken up — 

 Found 114 live Pink Bollworm larvaa. 



16 live pupae. 



18 empty pupa cases. 



{N.B. — Many larvae in unusually thickly woven cocoons — the latter in the bolls 

 or seeds.) 



10 cm. Pit. — 1,000 bolls ; majority unbroken, condition good — 

 Found 36 live Pink Bollworm larvae. 

 3 live pupae. 

 10 empty pupa cases. 

 15 cm. Pit. — 1,000 bolls. Not in bad condition at all. Many unljroken. Better 

 than in 15 cm. pits of Plots 1 and ii — 

 Found 64 live Pink Bollworm larvae. 



20 live pupae. 



14 empty pupa cases, * 

 ( iV.B.— State of bolls in 15 cm. and 20 cm. pits much about the same.) 



