30 



Hoily, \(i) smooth, flossy. 1 Ic.ui, iliityyclUnv : p^iij'i. and antcnnsR 

 ilusky at the tip : m.initrinik (the inanitnink is that part of the trunk that 

 hears the anus (^r fore-legs: it incUides the prothorax and antepectus), dirty 

 yellow ; elytra, emhrownetl einereous, with a line of punctures, as in the 

 other .sj)eeies, adjacent to tlie suture. :\\u\ a pale yellow, indistinct, ohlonj;. 

 anterior, marginal spot: ie;4s, dirty ye'low ; posterior tarsi, dusky ; alitrunk 

 and abdomen. nigro-i)iceous ; a|>e\ of the segments of the latter reddish- 

 vellon. 'i'his >.pecies is smaller than /. minutns, which it rescmMes, and 

 the colour of the el\tra and underside of the body differs. [Inserted as a 

 probable synonym (y( L. fiisciii/us, Aubi', in l,cConte"s list; in Mclshcimer's 

 Catalogue it is recorded as synon)ir.ous with /. />ro.\imus (Say't and 

 /.. .Ii/irriuiiias {.\\\hl').\ 



lAMiiv ii\i rscii'.i . 



ICO. Co; N .MiiK] )•.- SKMirixi lAirs. A'lrby. — One sjtecimen only taken. 

 I cngth of bodv i ^.( lines. 



i)Ody oblong, glossy, \er\- b!a( k. above very slightly bron/ed: under ;• 

 ])owerful magnifier the whole upper surface is most minutely reticulated, 

 and the under covered with longitudinal scratches. Head with a ])air of 

 vertical red crescents placed transversely, and scarcely visible except when 

 the sun shines ; uj>];er-lip, palpi, and antenniiD ferruginous : mandibles 

 black ; j)rothora\, anteriorly with a continuous transverse marginal scries of 

 })unctures, posteriorly with one widely interrupted in the middle, and in 

 the disk with a minute furrov.- : elytra with a triple dorsal series of j)uncture^ 

 not regularly or singly nrrangcd, with other scattered {junctures interjacent, 

 especially towards the a[>e\ ; on the side the punctures, which are not 

 numerous, are scattered without order: in the sutural series the {)unc- 

 lures are distant and single; be) ond the middle of each elytrum, not far 

 from the lateral margin, is a red streak, not distinctly visible except in a 

 strong light: the arms ;re pice<.)us, and the four anterior tarsi ferniginous. 

 [Belongs to Jgai'us. Taken at (irinisby, Ont., by Mr. Pettit.] 



[70.] 101. CoLVMBKTF,.s (Agabus) Bicolok, Kirby. — Length of body 

 y/z lines. A single specimen taken in l^t. 54"". 



Body nearly elliptical, convex, smooth, glossy, and very black. Reti- 

 culations more visible in the head than in the rest of the surface ; a pair of 

 round, obscure red spots in the vertex ; mouth palpi, and antenna: testa- 

 ceous : anterior transverse series of the prothorax with single punctures at 

 the sides, but scattered ones in the middle ; posterior series continuous, 

 with single and rather distant punctures ; elytra, externally of a pale 



