112 " THE entomologist's RECORD. 



14(/i — y a.m. : General Meeting in the Led are Hall of the I. Chemical Institute. 

 Scientific Lectures. 12.30-2 p.m. : Luncheon. 2-4 p.m. : Meetings of the Sections. 

 From 4 p.m. : Visits to the above named Collections and Institutes. At night: 

 Dinner in the Hall of the Zoological Gardens. Thursday, August l^th — 9 a.m. : 

 Meeting of the Section for General Zoology in the Lecture Hall of the I. Chemical 

 Institute, 1, Hessische Str. ; in the other Auditories: Meetings of the Sections. 

 At 12.30 p.m. : Trip to Potsdam. Excursiou by steamer across the Havel lakes to 

 Wannsee. Return by railway to Berlin. J'ridai/, Aufjust ICjth — 9 a.m.: General 

 Meeting in the Lecture Hall of the I. Clhemical Institute. Scientific Lectures. 

 Conclusion of the Congress. 1 p.m. : Departure from the Lehrter Bahnhof to 

 Hamburg. Arrival in Hamburg about 5 o'clock. At night : Reception by the 

 High Senate in the Hamburg City Hall. Snlurday, August 11th — 9-10 a.m. : The 

 Natural History Museum will be open. 11 a.m. : IBy steamer round the Harbour. 

 In the afternoon : Visit to the Zoological Gardens. Sunday, August ISth — Excursion 

 to Heligoland. Visit to the Biological Station. 



The following- gentlemen have umlertaken to give lectures at the 

 General Meetings on the following subjects : Geh. Bergrath Prof. Dr. 

 W. Branco (Jierlin) : " Fossile Mensehenreste." Geh. Rath Prof. Dr. 0. 

 Biitschli (Heidelberg) : " Vitalisnius unci Mechanismus." Prof. Dr. 

 Yves Delage (Paris) : " Les theories ile la fecondation." Prof. Dr. A. 

 Forel (Morges) : " Die psychischeii Eigenschaften der Ameisen." 

 Prof. Dr. G. V>. Grassi (Rome) : "Das Malariaproblem vom zoologischen 

 Standpunkte."' Prof. Dr. E. B. Poulton (Oxford) : " Mimicry and 

 Natural Selection." A committee of ladies will place themselves at 

 the disposal of the ladies of the Members of the Congress. Every 

 zoologist and every friend of zoology may become a Member of the 

 Congress by paying twenty marks to Ihe Treasurers of the Congress, 

 either before or during the Session. A Report of the Session will be 

 supplied, on application, to every Member of the Congress. Ladies 

 attending the Congress in the Company of a Member may become 

 Associates on the payment of ten marks. This payment entitles 

 them to attend all the Meetings and Receptions. Application for 

 tickets must he made on or before the 11th of August at the Congress' 

 Office, 1, Hessische Strasse, Berlin, N. 



Information of actual dates of appearance (in nature or in confine- 

 ment) of Endroiiiis rcrsimlora, for a single year or spread over a series 

 of years, is badly wanted ; also exact details and dates of the autumnal 

 emergence of any Sphingids from pupte of the same year ; also any 

 information relating to the mode of egg-laying in nature of any 

 Sphingids (either British or foreign). Will correspondents please 

 reply direct to the Editor ? 



Herr H. Gauckler of Carlsruhe, already well known for his 

 interesting notes on the life-histories of sotiie Geometrids, as well as 

 for his list of Carlsruhe lepidoptera, has published {E»t. Xac/tr., xxvi., 

 pp. 871-2) notes on the folloAving new aberrations : 



Cidaria jncata, Hb., ab. alhofasciata, Gckler, — With an almost pure white 

 submarginal band on the forewings, 3Jmm. to 4mm. in width, separated from the 

 outer margin by an olive-green band of about l^mm. width. Three freshly emerged 

 specimens at Carlsruhe in May, 1900. 



Boarmia crepuseularla, Hb., ab. alba, Gckler. — Ground colour clear whitish- 

 grey, no dai'k central shade, and even the blackish dentated line only weakly 

 indicated ; very little brown dusting, the brown dots on the margin only very small. 

 One ? taken at Carlsruhe in the spring of 1900. 



Ortholitlta pluinbaria, Fb., ab. — A not less noteworthy aberration, but not 

 named. Has a conspicuous dark dentated line in the marginal area, just inside the 

 pale subterminal line. One ? at Carlsruhe some years ago. (I have seen specimens 

 in British collections decidedly tending in this direction. — L.B.P.). 



Errata.— p. 72, line 40, for " 1894 " read " 1849." p. 81, lines 34-5, for 

 " Acrolepia " read " Argyrolepia." p. 84, line 39, for " cassipes " read " crassipes." 



