20 ON THE GENUS CHALCOCY BEBUS. 



bispinosus inter medius, subsp. n., 1 Q, New Guinea, Port Moresby, 

 Beukenstein Mus. 

 II. Chnlcocyhebiis alhoguttatus Voll., 1 (^ , type! Salwatty, leg. 

 Bernstein, Mus. Leyden ; 1 (ƒ■, Waigeou , leg. Bernstein, Mus. 

 Leyden; 1 (^ , without locality (ex coll. Dejean- Roelof «), 

 R. Mus. Brussels, probably the type of Aporhina bispinosa 

 Lac; 1 (ƒ, North-west New Guinea, leg. Wallace (ex cab. 

 Janson), Beukenstein Mus. 



III. Chalcocyhebus Richteri Faust, 1 (^ , type! New Guinea (ex cab. 



Richter), coll. J. Faust; 1 (ƒ and 1 J, New Guinea, Astro- 

 labe Bay, leg. Rhode, Beukenstein Mus. 



IV. Chalcocyhebus nitens Voll., 1 $ , type ! Waigeou , leg. Bernstein , 



Mus, Leyden. 



nitens papuanus, subsp. n., 1 J, New Guinea, Bongu, R. Zool. 

 Mus. Dresden; 1 (ƒ and 1 J, New Guinea, coll. J. Faust; 

 5 J, New Guinea, Astrolabe Bay, leg. Rhode, Beuken- 

 stein Mus. 



nitens papuanus , var. auratus , 1 Ji New Guinea, Humboldt 

 Bay, coll. J. Faust; 1 $, Humboldt Bay, Sept.-Oct. 1893, 

 leg. W. Doherty, Mus. Tring. 

 V. Chalcocyhebus splendidus (Blackb.) i), 1 ^-j^, Geraldton , Queens- 

 land (Meek), Mus. Tring. 



In my above mentioned paper I overlooked that the 

 genus Chalcocyhebus Voll., comprising the metallic species 

 of Eurhynchus (Munich Catalogue, Vlil, p. 2457), was re- 

 established by Faust ^) , and moreover I was able to point 

 out, that my Eurhynchus superbus is identical with bispi- 

 nosus Boisd. 



All the known species of this genus are variable in co- 

 lour and size and very closely allied to one another, re- 

 presenting properly three or four species with several local 

 races or subspecies , the determination of which offers some 

 difficulty on account of the white hairlike scales which 

 are very easily worn off. The distinction of the sexes is fa- 

 cilitated , besides by the different length of the club, by 

 the examination of the underside of the rostrum , which 



1) Transactions of the Royal Society of South Australia, Vol. XVIII, for 

 1893—94, p. 163. 



2) Ent. Zeit. Stettin, 1892, p. 205, note. 



I^Totes from the Leyden Aluseum, Vol. XVIII. 



