Mosquito Brigades and how to Organize ThemLongmans, Green, 1901 - 100 páginas |
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Página 1
... drains . They bite sometimes in the day and sometimes at night , according to the species . When they are seated upon the wall their tails hang downwards . Their wings are rarely spotted . Their larvæ when undisturbed float on the ...
... drains . They bite sometimes in the day and sometimes at night , according to the species . When they are seated upon the wall their tails hang downwards . Their wings are rarely spotted . Their larvæ when undisturbed float on the ...
Página 2
... own mosquitoes in its backyards , or in puddles and drains in the streets close by . ( 8 ) Mosquitoes , especially Anopheles , love thick under- growth . Further details will be found in the literature already mentioned 2 MOSQUITO BRIGADES.
... own mosquitoes in its backyards , or in puddles and drains in the streets close by . ( 8 ) Mosquitoes , especially Anopheles , love thick under- growth . Further details will be found in the literature already mentioned 2 MOSQUITO BRIGADES.
Página 6
... passed ; or in un- corked empty bottles and sardine tins thrown on a dust- heap ; or in tin - lined packing cases ; or in the hollows of bamboos , drain - pipes , or even cannon - 6 MOSQUITO BRIGADES THE BREEDING PLACES OF CULEX.
... passed ; or in un- corked empty bottles and sardine tins thrown on a dust- heap ; or in tin - lined packing cases ; or in the hollows of bamboos , drain - pipes , or even cannon - 6 MOSQUITO BRIGADES THE BREEDING PLACES OF CULEX.
Página 7
Sir Ronald Ross. bamboos , drain - pipes , or even cannon - in fact , wherever a little rain - water can collect . After the rains , Culex larvæ generally exist in collec- tions of water made for gardening or household purposes ...
Sir Ronald Ross. bamboos , drain - pipes , or even cannon - in fact , wherever a little rain - water can collect . After the rains , Culex larvæ generally exist in collec- tions of water made for gardening or household purposes ...
Página 8
... drains and gutters , in places where water constantly oozes from the soil during the rains , or where the drainage is checked by out - cropping rock or by em- bankments and walls , or where water constantly escapes from pumps , stables ...
... drains and gutters , in places where water constantly oozes from the soil during the rains , or where the drainage is checked by out - cropping rock or by em- bankments and walls , or where water constantly escapes from pumps , stables ...
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Términos y frases comunes
adult Anopheles gang Anopheles larvæ bites breeding places breeding pools British Medical Journal broken bottles broom campaign against mosquitoes carry cisterns cleared collections of water contain larvæ cost Crown 8vo Culex gang Culex larvæ destroy larvæ disinfection ditches drainage drained dry season elephan elephantiasis employed Europeans expedition experience fact filled film Freetown ground gutters Havana Histology Hospital houses Illustrations insects kerosene kill the larvæ Lagos large numbers Lecturer Liverpool School London lyptus malaria malarial fever marsh matter measures method months mosquito brigade mosquito-borne disease municipality natives number of mosquitoes parasites Physiology pits Plates ponds possible practical present Professor puddles punkahs quinine quitoes rain removed rock RONALD ROSS Ross rubbish rubble sanitary School of Tropical Sierra Leone stagnant water STEPHEN PAGET streets superintendent surface Surgeon tins tions Tropical Medicine tropical towns vessels wire gauze yards yellow fever
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