010 XEW JERSEY ACtRICITLTI'KAI. COLLEGE 



caidcUor, scarcely 1 ]^or cent, (yi sollicilan.s bcinu' ajipareut. A high 

 tide had just covered the ine^adows and left matters in excellent 

 slia]>e for brood 7. Jjrood <» migrated north, n]i' the valley of the 

 Hackensack to Xoav Dnrham, where only a few examples were 

 fonnd, and np tlic valley of the Passaic to the mountains near 

 Paterscn, where they were taken in great ahnndance, The bulk 

 of the brood remained at Arlington, however, and mosqnit'ses were 

 very ])lentifnl there on August 21st. 



Hot, sultry weatlun" favored hi'ot'd 7, and it Avas on the wing 

 August IJOth, only from ten to twelve days after brood 0. There 

 were alxmt 70 ]ier cent, rniifator to 80 per cent, sollicitons. and the 

 prevailing southwest wind carried almost the whole output into 

 Jersey City. 



"Brood S was much smaller and was found on the wing Septem- 

 her 17th in tlu> proportion of 60 per cent, caniaior to 40 per cent. 

 soUlcitans. Its fligbt was not traced nor was the meadow again in- 

 spected ]n'i(n" to Xovember 1st. 



Neivarki 



Xewark and its vicinity has been kept under close observation 

 for several reasons. Fusi. it is matter of veiw great importance 

 that the work of the ditches should be watched to note Avhat de- 

 terioration, if any, take< idace, whether there is any impairment of 

 effectiveness and whether they are sufficient in size and number 

 to meet the requirement of the seasons as they vary from year to 

 year; second, encroachments upon the marshes are made each year 

 by. the growing city and careless interference with the drainage 

 -cheme might easily change a safe area to a mosquito breeder: 

 llihd. the city of Xewark maintains an inspector on the nnirshes 

 throughout the season, and it was desired to make use of his ob- 

 servations (ui the habits of marsh S]>eeies ; fourth, it was desired 

 to determine the location of the local breeding places and to assist 

 the local authorities in their efforts to lessen the pest. 



The general results were that the city of Xewark was. almost 

 t< tallv free from salt marsh mosquitoes during the early part of the 

 summer, and later <ndy a few were found from the Elizabeth or 

 Jersey City nuirshes. The frequent rains and hot, sultry weather 

 during a portion of the sunnner was unusually favorable to the 



