142 [June, 



factor in producing melanism. On the motion of Mr. R. Wilding a hearty vote of 

 thanks was accorded the lecturer. Dr. G. W. Cliaster (Southport) exhibited all the 

 species of the genus Agathidiam, including the recent addition to the British List, 

 A. badium. Mr. C E. Stott (Swinton) showed Periplaneta australasise, a cock- 

 roach which has now become naturalized at Worsley (Lanes.). Mr. F. N. Pierce, a 

 specimen of Cryptophagus acutangulus from Manchester. Mr. J. J. Richardson, 

 Ptintis tectus from Liverpool, and Mr. Sopp (Birkhd.) Panchlora viridin and P. 

 virescens from Liverpool, which had been kindly indentified for him by Mr. Malcolm 

 Burr. 



April \8th, 1904. — Mr. Richard Wilding, Vice-President, in the Chair. 



The third ordinary meeting was held in the Society's Rooms, Royal Institution, 

 Liverpool. 



Messrs. William Clitheroe, F.L.S., Ashton-on-Ribble ; Thomas Dewhurst, 

 Preston ; Walter RinniierTeare, Birkenhead ; and Thos. Temple Morgan, Liverpool ; 

 were elected members of the Society. Donsitions to the Library were announced 

 from Mr. H. St. John K. Donisthorpe, F.Z.S., and the Council of the Manchester 

 Entomological Society. 



Communications were read by the Secretary from Major Ronald Ross, C.B., 

 F.R.S., inviting the Society to hold its next meeting, on May 16th, in the Johnston 

 Tropical Laboratory, University of Liverpool, and from the Manchester Entomo- 

 logical Society, accepting the invitation to visit Liverpool in October next. 



On the motion of Mr. J. R. le B. Tomlin, M.A., seconded from the Chair, it 

 was unanimously resolved that Rule iv be reconstructed to permit of the election of 

 a certain number of persons residing outside the counties of Lancashire and Cheshire 

 as Corresponding Members of the Society, at half the ordinary subscription : such 

 members to enjoy all the privileges of ordinary members. 



Mr. E. J. B. Sopp, F.R.Met.S., communicated a note " On the callipers of 

 earwigs." Mr. F. N. Pierce, F.E.S., read a paper " On the minor-structure of the 

 Lepidoptera," in which, by the aid of a long and beautiful series of his preparations 

 shown by the micro-lantern, he was able to show the undoubted general likeness to 

 one another exhibited by the genitalia in certain groups of the Order, which 

 was in many cases very marked. A cordial vote of thanks was accorded the lecturer 

 on the motion of Mr. Wilding, seconded by Mr. Willoughby Gardner, F.L.S., who 

 congratulated Mr. Pierce on the excellence of his slides, and referred to the interest 

 of the subject, as instanced, for example, in Agrotis ashtoorthii, which was shown 

 by the genitalia to be a Noctua. Amongst the exhibits were the following : — By 

 Mr. F. N. Pierce, CuculJia scrophularite, C. verba.ici, and C. lychnitis ; Acronycta 

 venosa and A. albovenosa. Mr. Willoughby Gardner, specimens of the carpenter 

 bee Xylocopa violacea from Northern Italy, with diagrams of its burrows in pine 

 wood, in showing which he gave some interesting facts of its life-history ; also live 

 examples of Ny.s.iia zonaria taken near the mouth of the Conway, North Wales. 

 Mr. J. J. Richardson, a case of South American, East Indian, and Malayan Hawk 

 Moths. Mr. J. R. le Brockton Tomlin, long series of the red Elaters, E. lythrop- 

 terus, E. pomonas, E. elongatulus, and E. sanguinolentus, from Wimbledon, 

 Sherwood, and the New Forest. Mr. W. Malliiison, ova of Tssniocampa opima, 

 in situ on branches of Rosa spinosissinia from Wallasey. Mr. E. J. B. Sopp, a 



