250 



Mr. G. Lewis on 



Hah. Borneo : Kuching, Savawali. 



This species also belongs to the Crossotarsisubdepressi, and 

 only differs from C.fragmentus in size and in the elytra 

 being less excised at the apei (fig. 2). 



ris-. 1. 



Fi-. 2. 



Fit?. 1. — Crossotavsus frcgmenfus, sp. u. 

 Fig. 2. — Crossofarsus/ractHs, sp. n. 



XXXIII. — 0?i neiv Species of Histeridse and Notices of others. 

 By G. Lewis, F.L.S. 



The last paper on this family by me was published in July 

 1911 ; the present is the thirty-eighth of the series. 



In all the papers, when referring to the genera Trypanaus 

 and Trypeticus I have wrongly assigned the masculine forms 

 to the female and the female to the male. Marseul and 

 other writers have committed the same error. In 1853, when 

 Marseul first began the study of the group he described the 

 sexes as species, and although warned by Monsieur A. Salle, 

 who had seen the insects in their natural habitat, he was not 

 convinced of the truth of the matter. 



The doubt having arisen as to the sexes of Trypanaus and 

 its ally Trypeticus, specimens were sent to Dr. Sharp for his 

 opinion, and he, having dissected them, reported that the 

 sexes have hitherto been reversed by describers. In order to 



