UiS 



Al.lAlUI'.MKN'I'.S OV ANIMALS KiUi TUV. lUSl'lCltSlON OK I'Ol.l.KN. 



whii'li aro somotimoa I'ouiui unitod into a thick riii', .soun^linioi-i iirrani;oil in ivmilnr 

 rows or baiuls. or i^roupiHl into briiwlu's. Soiiio of tlio Imirn iirc nol't tiiul lloxiMo, liko 

 dolit'jit-o littio I'oatliorn, and whoa Ihoso slrni'lnrcs aro crowded clone (ni^'t^tlior, (luiy 

 act- just liko a duslini;' brush. 'Tlu' pollen o\'i<i' which l\\oy Iimno swept., and witii 

 whicli they hax'e become covered, i-eiiiains hau^iiii;' betwivu the I't^athers, IVoin which 

 it can easily be removed afterwards. (>tlu>r haii's, as already meut.ioned, art> short, 

 and stiff, and resemble eyelashes or bristles, .nri'ani^'iui:; themselves in I'ej^'ular rows, 

 so as to l"orm sn\all besoms. In bees and liuinble bees thes(\ brushes occur on tlm 

 end-sei;'u\en(is of both hiud-le^s, while in sjicH'itvs of ()ti)Hi(t oidy a siui;'le brush is 

 formed on the lower side of the abdouu-n. When these insiH'ts stroke tlie pollen- 

 covered anthers, or tho [lotals OU which tihe loose |iollen has fallen, with t.heir Km'n 



or abdomen, t.lu>y rcnnovi* the polU^u with tlio 

 small bnislu>s and the chinks bt^tiween tlio 

 bristiles nvo (|uit.e tilled with it.. Moreover, 

 the bees and humble bet>s, wit.li tlu> assistance 

 of the lirnshes on the t(>rn>inal se^jments of 

 tluMr hind len's. art' able to condi and swimp 

 oil" the polhm which was iniprisoiKiil in tlio 

 soft hairs of theii- own fur, and thus t.hcso 

 brushes form excelhMit collectini;' a|)pa.riitiis. 

 In addition, Uwsv insects ha\'(^ special conlri- 

 X'aiices on their l(>;;-s whicli ha.ve been (una- 

 pa.r(^d to lit. tie baskiit.s; they are siuodlli, 

 sharply-detiiK^d iiollows, hodeu'd in by still' 

 roddike bristles, in which t.lui ))olleu, pi'cH.siid 

 into chimps and pcdiets, is packed up to be carried home. Many of t.hes(^ llynuMl- 

 opt(«ra moistcai the ])oll{<n which tlu^y wish to collect with hon<^y- juice, ("specially if 

 it is powdei-y or dust lik(i, ,mo n.s to be a.l)le to knea.d it into the little basketH. Kor 

 inst.ance, when (.Ik^ be(\s wish to obta.in the pollen of tlu" I'la.nta.in (i'lmUiuio) m 

 it emero-es from the clefts of the a-nthers, they iject on it lirst of all some honey 

 from their ext(Mided suck injj;- tube, by which nu^a.ns tlui loo.sts ma.ss becdiacH 

 cohei-ent and a.da.]ited for collection. It a.l.so frcMpuMd.ly hai)p(>ns tlui.t the linw 

 pollen to be colkn'ted is a.lr("a.dy jirovided with jui('es fi'om the p(^rl'ora:t.ed, turi,nil 

 tissue of the ii("ij,dibourln;,r p,,t,ds. If tho polh'ii is sticky provision of this kiiiil 

 is not Decided. The slif.;'liteHti diHtin-ba.nce a.nd tho most deliciite touch a.re timn Hllill- 

 cieut, and tho pollen a<lluM-es to the body of the in.Mec.t, (wen the smooth hnirliWH 

 jiurts of tho tliorax, tho abdomen, a.nd the lejrs lieinj;- covered with it, 



Suice, the Holo use of insect visit^H to Mowers is the tra,nslerenc(» of th(( ]iolleii 

 from ono Mower to another, it is evidiMit tha,t some restriction must be pla.ced uiioll 

 its too extensive demolition. Ah a. o-rea.t pa.rt of th(» pollen can a.lways bo (^n.ten in 

 the flower, or carricid oil' to the nest a.s food for the la.rvie, it is neces.sa.ry tha.t aoiiid 

 should nimain a.dlierini.- to the body of tho visitor, ho tha.t the sti^^niaH of otlair 

 (lowers may lie a,(le(pia.tely provided. This inu'esHity is excellently met by thi' 



ll'lg. '.lis. l[i>iio.vl<'«« I'liiwi-r iir .■ln;,'iMiim' Hli'jimiKi 

 with (ihuiultUlt polliin. 



