142 THE ENTOMOLOGIST. 



whitish, and the notched twelfth segment smoke-coloured. The 

 caterpillars were now (August 9th, 1891) beginning to pupate in 

 the soil. 



On March 22nd, 1892, the first T. himiiMaria emerged ; 26th, 

 searched in Delamere Forest for the species, but without result. 

 April 4th, 5th, and 8th, one imago emerged each day ; 10th, two 

 emerged ; 11th, three emerged, obtained eggs from those which had 

 previously emerged; 12th, one; 18th, one; 21st, six; 23rd, two. 

 May 1st, several ; 22nd, eggs from this brood hatched. June 6th, 

 took two specimens at rest in Delamere Forest. 1893, 1894, and 

 1895, failed to find the species in either of these years. 189G, took 

 one specimen at rest in Delamere Forest, March 28th ; another on 

 April 4th ; and two on April 18th ; Mr. Crab tree, four. Mr. Hargreaves 

 took several during March, some almost black. One of Mr. Crabtree's 

 was very beautifully but yet darkly marked ; it resembled the typical 

 T. crepuscular ia, the only one of the kind, to my knowledge, seen in 

 the Forest. April 25th, took five females and two males off tree 

 trunks. They seem to rest on any sort of tree, palings, &c. June 

 24th, a larva, bred from eggs laid by the last brood (I lost all the rest 

 through not being able to attend to them one day), went down to 

 pupate. I failed this year (1896) to find any summer brood. — 

 J. Arkle ; Chester. 



Immigrant Cockroaches. — Though I'erijyJaiwta americana and 

 Phyllodromia f/ermanica are now well established in these islands, 

 it may be interesting to note two instances in which they appear to 

 have been taken in the act of immigrating. On March 1st last, Mr. 

 Bell-Marley sent me two of the former, which, after considerable 

 trouble, he secured on February 20th in Covent Garden, where he 

 does not think they are established ; while on April 5tli I received from 

 Mr. Nicholson, of Kew Gardens, an immature specimen of the latter 

 (P. tiennanica), which had arrived on the 3rd, from Ootacamund in the 

 Madras Presidency, on living plants. — W. J. Lucas. 



High-Flat Setting. — On reading the discussion on high-flat 

 setting, I am reminded that its advocacy is no new thing. It was 

 strongly recommended by two or three ardent reformers in the days of 

 the ' Entomologist's Weekly Intelligencer,' but it then found little 

 favour, and comparatively few converts have been made since ; nor do 

 I think that there is the faintest probability of many being forth- 

 coming in the near future. British entomologists certainly do not 

 desire to deter others from collecting insects which are not British, nor 

 is there any wish on their part to force their ideas as to the best 

 methods of setting upon those who prefer other methods ; for incon- 

 siderable and unimportant as these islands seem to be in the estima- 

 tion of some of your correspondents, there is still room in them for 

 more than one idea on more than one subject. 



No doubt a common system of setting would have its convenience, 

 as would also a common monetary or fiscal system, or a common 

 language ; but we " hardened Britishers " do not feel disposed to " fall 

 into line" with the rest of the "civilised world," upon a poiut where 

 we consider ourselves far in advance of other people, and where 

 progress in their direction would mean a movement towards the rear. 



