158 
[Decern! 
cocoon, the .Idn beeomtag loose and being thrown into very fine fol, 
!h \ '1. '°""''' "'"' "'' '•*'-^' ""d -''■^--l P-mme« 
wh,ch ■„ the ten.e shining skin of the full-fed larva can hardly 
detected, are very distinct. ^ 
than three weeks before emerging, often however, if the weather I 
cold, remammg perfect inside the cocoon for many days. C. i„il«n 
C.ne,lecta escape by cutting off circular lida from their cocoons- , 
W.»«.cus out the diaphragm of its cocoon, and makes a circ'u 
hole m the top of the spinifes cocoon. 
frm / "7"°" ,"""■* '"''^''■"=''™ m colouring between the male a, 
Z f 7:""' ""^'=' ^ " ■' ™* "o*^-' ™ Mr. Smith's ezcelle 
Monograph of the group in the ' Bntomologisfs Annual' for 186: 
may poss.bly not have been previously recorded ; viz., that in the m.i 
the margmal sulcation of the third abdominal segment is blackish c 
pu phsh from the margin almost up to the row of fossulets; where, 
m the femafe the darker colour is confined to a line on the e.tre„ 
margin of the segment. 
It is, perhaps worth pointing out, as bearing on the doctrine . 
the survva of the fittest, that 0. Mentata destroys those larv» . 
O. sinmpe. that probably most strongly inherit the weakness, whateve 
.t may have been, that led to the death of their parent.* 
Abergavenny, 
September, 1869. 
Occurrence m BrUain of Bledius spectaUUs, Kt..-lu a note at p. 28] of the 
Zunl 1 "'T'^ ^-tscMands,'. Dr. Kraatz Has cwL, in a 
Imes, under he nan.e of spectabiUs, a species of Bledius closely allied to B. tri. 
corms, Herbst, and found abundantly in Greece SomP liH^. r ■ v 
M P«,wp1 ni 11 1 .1, Greece, borne little time since, however, 
M. Fauvel challenged the correctness of this new species, stating both that it was a 
::• 7;t? ;' v^^^^^^' ^^^ ^^^^ ^^- ^-^^^ ^^^ -^'*^^- the 1:;; 
Zeit.,1868,p.346; re-affinned the validity of the two species, and established 
.i^r^synonymy (about Which there h. 
now T'T '""'t '" '"' '°' ' ^°°^ *'"^ ^" *^^ ^^^"^^ -*-^«^-e. and I have 
nowthe pleasu.-e of making known that BlecUus spectalUis, Kr.. is also a British 
species ; and at the same time of shewing, from its geographical distribution, that 
xt cannot be a southern form^of^B.Jnco™^s^W found B. spectaUUs in ^e.t 
