EXPERIMENT STATION REPORT. 645 



that contained water, but in a shallow pool in an open field, larvae 

 of Anopheles and of G. territans were found. 



The problem at Hopatcong is a purely local one, and neither the 

 main lake nor the smaller lakes or ponds near it are to be accounted 

 as sources of danger. The pot holes and other woodland pools 

 which produce a brood of vicious biters in early spring need atten- 

 tion, and must be dealt with as local conditions indicate. 



Mount Holly. 



Mount Holly is a flourishing community with a population rank- 

 ing high in j^rosperity and intelligence. It is the county seat of 

 Eurlington county, one of the most important in the State, and it 

 is the centre for tlie surrounding agricultural section, which com- 

 prises some of our best farms and orchards. That Mount Holly 

 should have an improvement association is not surprising, and 

 that this association should consider the subject of getting rid of 

 the mosquito pest is only natural. At the request of this associa- 

 tion, Mr. Grossbeck visited Mount Holly June 8th, and what he 

 found is best shown in the report, which is here given verbatim as 

 made: 



♦ 



"Moiinl Holly Improvement Association: 



"'Gentleimex — Pursuant to your request that a mosquito in- 

 vestigation be made in Mount Holly and its breeding places lo- 

 cated, I beg to submit herewith my report : 



"The town was inspected on June 8th of the present year, in 

 company with your president, Mr. Joseph E. Gillam. Your town, 

 as you are probably aware, is without the limits of the migratory 

 salt marsh mosquitoes, so it follows that all the nuisance is caused 

 by local species, the principal one of which was found to be Culex 

 pipiens, the house or the rain-barrel mosquito. This species was 

 found in countless numbers throughout the town. There were also 

 found a number of jdaces which are typical for a luxuriant de- 

 velopment of Anopheles or malaria carriers. Indeed, this species 

 was found breeding in certain barrels, but in such places they 

 occur only in comparatively small numbers. 



"1^ ollowing are enumerated the different breeding places found 

 and remedies are suggested for their elimination, 'which where 

 feasible are of a permanent character : 



