SYSTEMS Or ENTOMOLOGY. 45 
Class XIII^a YKG0TA ’ ^ nut ^ com P°sed of a beak or articulated sheath. 
In the F r N , 1LIATa - Mouth composed of a sucker, not articulated, 
valuable rar 1 Encyclopedia, edited by Dr. Brewster, several 
tineuisbml „!r , vc appeared frt »n the pen of that excellent and dis- 
British Mu ra lst > Hr- W. E. Leach, the present Zoologist to the 
sound hub, SLUm ' lbe we ll-kno\vn abilities of this gentleman, his 
the m 0s t jf 118 8 rca t caution, and extensive correspondence with 
tne in .,,1 n 8yished naturalists of Europe, will, I trust, fully justify 
that wbrmu 118 - Systc i ni in the P re sent work, as there is no doubt 
confes- i* S l ! f studied it will be universally followed : yet I must 
will ' St ‘ reinains incomplete, and many errors no doubt 
here <3!!^- !'° C ° r . rcc . U , on ' An observation of Mr. Kirby I shall 
the mind of * ** ' J ua 1.°’ an d should be strongly impressed upon 
™ d °/ ev fy. na ^ ral f, and must fully convince cvciy liberal- 
aided entomologist how far the system proposed by Dr. Leach is 
consonant to the views of one of the first of entomologists 
nillQ f. n account of any genus, perfect and elaborate hi all its parts, 
evert be i hl i I™ 1 , ' u° f 'l' 11 , 1 who 1S verscd in the history and (economy of 
Rrotndt £r , Ult ,)el ° ngs 10 it; he ’ and he 01 % can go upon sure 
die snentt ft 0 0 2j er perSOn Can in a11 cases wkh certainty distinguish 
ner Buf\ * vf ?; arlet .“ V ’ aud unlte each sex to its legitimate part- 
wher, A ‘ ku °wledge, even with respect to a single genus 
not K th i e j SP u CleS arC Iwmerous > is not to ke expected from one man- 
front niatpr'^® . natll ™ Ust i attempt, like the spider, to weave his" web 
rom materials derived solely from within himself; but rather let him 
^sureWo^Vw 
tvitb bi h r h C bee ? rcared ,j y oth er hands, and combining these 
harnmniotr, ‘ Ct him endeavour *° concentrate all in one 
cd to each other T* formed > arran g ed - and adapt- 
sweets of nt ’- t t0 the wllole i and calculated to preserve the 
i t C wlsdom » 1urc and unsophisticated.” 
^ery s k ^ . n ? t . met wk h the approbation of 
hi an account o°f u™ 1 tke Doctor in his Zoological Miscellany, vot : . 3, 
made the following obse^'t* ° tl*T P ahneian genus Gcvtrujxs, has 
divisions (founde i~ * ,i *' U 10 ?V ? ara a warm advocate for generic 
^insfied that snob ,' C C0IJ3lderatl r of e vcry character), being fully 
ment, tend materi uw U V aat ^ e ’ and ’ w hen distinguished with judge- 
logists of the Li mv y t0 , l lL ’ advaucctnent of science. Those entomo- 
tlieir genera or sneef 11 b(; h° 0 h " ho, by dilating the characters either of 
ture to the artifices!!.! 0 as t0 a . dra ‘t of almost any thing, bend na~ 
whether they donof^^^T master > would do well to consider 
and not upbraid th 0 ‘ f ° r * thaa for nature, 
In the present wort Ib° opinion from themselves.” 
1 work, the genera of L.nne are given, not with a wish 
