On Extirpation of Injurious Insects

Extirpation of the Spleen

rest all belong to the present century. If his own case is reckoned as a recovery, the mortality is 73 per cent'.; if otherwise, the mortality is 76; the recoveries being twelve or eleven out of the forty-two cases, according as this is or is not reckoned as belonging to that category. The cause of the eleven deaths was septicemia in one case, peritonitis in one case, and hasmorrhage either dur...

The Extirpation of Malaria

Sir,?I have read with much interest Major Ronald Itoss' lecture on The Extirpation of Malaria. There are one or two questions I would like to ask him concerning matters not fully explained in his lecture :? (1) By what method does the Plasmodium malar-ice pass from the mosquito into the blood of man ? (2) Does he deny that there are any ways in which the poison of malaria can be conveycd to man...

Extirpation of the Lachrymal Sac

Influence of salivary glands extirpation on procreation in rats.

The influence of extirpation of the submandibular and sublingual, parotid and all major salivary glands on pregnancy of rats was studied. The statistic analysis of the results indicated that there are statistically significant differences in the number of offsprings between before and after extirpation of the salivary glands. The parotidectomized female rats presented the smallest number of off...

Lowland extirpation of anuran populations on a tropical mountain

Background Climate change and infectious diseases threaten animal and plant species, even in natural and protected areas. To cope with these changes, species may acclimate, adapt, move or decline. Here, we test for shifts in anuran distributions in the Luquillo Mountains (LM), a tropical montane forest in Puerto Rico by comparing species distributions from historical (1931-1989)and current data...