28 J/()S(Jl'J'J'(}h'S 



selves there. Tjuupico iiiid Vera Cruz, both low-lyiiisr 

 cities, had always had moscinitoiis in immbers. The City 

 of Mexico, lyiii^' on a ta])le-land 7,000 feet above the sea- 

 level, and with a cool and pleasant climate, havin^;- no 

 mosquitoes, thus with the addition of railroad facilities 

 became infested. 



Mr. (-. P. Tjouiislnny, government entomologist (jf the 

 Cai>e of (lood Hope (in litt.), is responsil)lo for the state- 

 ment tliat the railroads in Cape Colony have Ix'cn re- 

 sit()nsil)h' for tiiking' moscpiitocs to many inland towns 

 which before the advent of the iron horse were quite free 

 from the pest. Another correspondent ^^ives the details 

 of a i)re('isely similar introduction of mosquitoes into a 

 hi^h lyin.u' Missouri town. 



In a simihir way, sta<4'e-coaclies are res])onsible for the 

 spread of mos(piitoes. Grassi, the Italian investigator, 

 states that he counted two liuiidred s])ecinieiis of Anoph- 

 eles on the inside of a coach, durin.i>' a drive lastini^" two 

 hours through iho ])lains of Capaccio, and the same 

 observer has recorded the cMpture of malaiial mosquitoes 

 in a railway carringH? travelling- fioni I'lorence to Berlin. 



(^)iieer IM.'ices in which IMoscpiitoes Bnn^d. 



In the re[)ort of the Liverpool School of Tropical Medi- 

 cine's ^Malaria Expedition to Sierra Leone, it is st.-ited 

 that inos(piitoi's were found breeding in the broken bot- 

 tles wiii(di were placed upon the toi> of a stone wall to 

 act as a rin ml. i/> frisi', and that they were found als<^ 

 breeding in the dower vast's on tiu- tables in the houses 



