19(5 AMORPHOCEPHALUS SUMATRANUS. 



angustatis, apice singulatim rotundatis, in dorso sulcatis, 

 impuuctatis; sulco 2° pone medium haud tuberculatum, 

 interstitiis modice elevatis; metasterno abdomiueque basi 

 impressis. 



Long. 12 mill. 



Hah. Sumatra. — A male collected by Dr. J. F. van 

 Bemmelen. 



Allied to A. laevis Power but easily distinguishable by 

 the following characters: body more robust and deeper 

 coloured; basal apophyses at the sides of the rostrum 

 hemispherical , slightly oblique , with the flat surface 

 subovate, hardly impressed; the median portion of the 

 rostrum is regularly rounded but shorter, the apical part 

 is longer, narrower at the base, less enlarged and less 

 rounded anteriorly than in A, laevis Pow. The antennae 

 are shorter but more robust, perfoliate, with the 3rd joint 

 obconical, the 4*^ — %^^ rectangular, broader than long, 

 the 9*li and lOth a little longer than the preceding ones 

 but not square, the apical joint is slightly shorter than 

 the two preceding ones together; the median portion of 

 the prothorax is more rapidly enlarged , thence the sides 

 are less regularly curved ; the apex of each elytron is 

 rounded; the 2^^ furrow is smooth. 



Florence, December 1894. 



Notes from the Leyden Museutn, Vol. XVl. 



