274 



[November, 



conciubire, afford the most puzzling question of ill R„,l i • 



tar removed in structure from the hiVhpr ^,, -^ ^u • "^ 



Ki„ ^ , ''"^ 'iigtier ^wiflfte their ereat rpspm 



bJance to each other is perplexino- On f] \^. , 



e.M.ts . distiuet t^dej, r:::Lsu?'i:t toii it^f^^ir: 



It ha« been .hown that it« burrows, which are often nl f ' 



"°c^T-^-'■'^ so . to .o™, .vxr::- -ri: 



vun-ousgropTo'cdis ',:;::'"":, •'■'^'^""^ "■'™'' ^^'^^ -»- '» 

 -uetu/e of 'host .:ai;: ^ I rr:.:r: r "^r^ "' 



with what has bee,, ohse.'vod iu the sol^ " "" '" "■''"™"^ 

 j-ii Luede cases the inquihuism is not nnifp r.f fi, 



^ ctuu aibo in rolisten and the rT of Mvtilln ( a \ . 



Plaees Ghryu. ,„ «» r..^„.,,„), the fides ^te r/™ 



cs:i^ttr '" ? "'T'^- °* - Witt tCrCs^:-: 



1 think a consideration of the above c^^p. .f. i r 

 view that host and parasite earlier or erTt 77' , "" "" 

 cases original,, sprang fron. a eou,.o„ r. V ;";;:':7:' -- 

 m some .n,.,„ine genera, . ,., A-„,„„,,, , ,,„ ^^ slm t T' " 

 wandered off to hosts belougins to .enera diff,.„ 7/ T '""' 



oiated with by the bulk of th: ^e^rurind fh ■ " ""■ 



hosts in the lower bees were d^ff eitlted off t" "■'",""" ^"^ 

 than those of the higher Messrsr ! "" "■■"■'"''' P"'"'' 



belief that .,. .:„•., T:! ^n^er s::i^„:■r:r '^ 



very ,nterest,ng one. I have of.eu thought that he '^•, "^"J^ '' 

 ...ight some day prove to be the ancestors of the nL'tri '" ' T' 

 t ere are so many points apparently distinctly op ZTo"' ' "' 

 theory, that 1 have never been able to see how it T ,"" " 



«tm there is so httle hnown about th.s y Le t L: T . T 

 auy theories must be more or less speculative. ' '"''' ''"' 



St. Ann's, Woking : 



October liHh, 1903. 



