Vol. xxvi) 



ENTOMOLOGICAL NEWS. 



439 



and left sobaitt! plates. The chief evidence for the entrance 

 orifice, which was not closed, was the behavior of a mass of 

 fl<K-ciilent substance, a little larger than the aperture, which, 

 when placed over it, was rhythmically sucked inward. 



A second, female, larva (body length, excl., etc., 20.5 mm., 

 median caudal appendage 7 mm., lateral appendages 8.5 and 9 

 mm ) was placed on its back under the same conditions and 

 similarly examined, carmine particles being sprinkled on the 

 water ; 40 anal expulsions per minute. In this case, however, 



mMTvcd la MtoolMl. 

 MIOMdbr' 



T»M-4Lrar« 1 Venlnil vi«w of hlod Md o( tbc abdMiim oi a fvnuile Unra ol CaU^ 



IrryM mistmiatm BWMV KroM •pccMsen 13 mm. tone (excl. antennae and caudal (ilU) 



tW« arrow* abow tbc directtoo ukea by cnrrenU ol water, aa 



■* MOklw MipMidad la Ibe wMcr. under tbc coodiUoaa dcacr&cd in 



hMtvMS Um iilMnil taalBM. M, M. aad ibc bind ouirgiii ol M«cat 



) ol tW Sill abdoMtaal accmcot : rP9, fOMpopSy«« 



Hwat : kg. Ich caudal ti>> : "KT- uMdiu caudal 



Mcrior appcMMica ol taMgo (cercotda); sM, anhanal 



, ;r«. apcftare b« t * n «B the supra-anal lamina and the 



IIm aptrtam e* aad x* arc abown aa continuoua. as they 



fraai wbkb tbc drawiaa waa made. In the livinic larvae 



biraaB (< 

 ( vniial vahrn) ol tbc «tk 

 pU: rtg, rMK caadal BlU 

 Guaiaa: i^aapra-aaallai 

 •abaaal laaitaac. lathiB 

 aia ta tbc p i M c md 

 daacrlbad la tbc text, 

 amloa d tbc aabaaal lai 

 IX. «. 



aacrtafaa ««re •cpatatod froai each other b) the approxi- 

 .bat laicfaalljr cacb ooauaaaicates with the rectal cavity. 



