lO'J Mnnoirti of the Iniinin Mtiarnm. [Vol. VII, 



unpunctuml ; the lateral <)Ih-.>< arc NtnmKly |uiiutiiro<l. In other rcHiMM-ts thU Hiiecieft 

 n^'^emble^ M. (i>i.sti<ilirnsia. 



Mastoclulus (Cetejusj grabowskii (Kuwert). 

 Fik- .\III.5. p. 99. 

 CtirfungnibotcAn. KiiWPrt. IM<IM. p. 33(». 

 Thrtf .Hpocimens from iliiiiilioldt Hay, Ni'w fJiiinca.' hnigtli 2.S-5-ac)-() nun. A stouter 

 insect than M. anjitralirintis or M. ptiltenliti, with .•«hort«'r aiit4-imal laiiu'lhif. 



The mnn<lil)K's are not an^ilate externally, and there is no denticle exposed on the 

 upper margin behind the rudimentary upper tooth. The upper surface of the head re.serables 

 that of M. inilH'rilis, extej)t that the outer tul)erile> are more outwardly directed, that the 

 central and inner tubcrcle.s are niore widely separated. an<l that the frontal ridpes are more 

 or le.-^j incumplete between them. The secondary .scars on the mentum are repre-nentod by 

 a more or less broken transverse groove a little behind the anterior margin. The scars 

 anterior angles, and marginal grooves of the ])ronotuiu are coarsely punctured ; the me<lian 

 groove is very .strong. All the grooves of the elytra are somewhat cuarselv punctunnl. 



Mastochilus (Cetejus) sodalis (Kau])). 



Airratiiji gntalin, Kanp. mifa. pp. '."••-.Id : and 1868/*. p. .'). 



A numU'r of specinu'us from Teniate and Hatjan, one of the latter being from l>abuan ; 

 al.s«» one from Taruna. (Jt. Sangir. 2,000 ft. Length 24'0-25"8 mni. 



Thi.s species closely re.sembles the last, but is smaller and therefore less perceptibly 

 asymmetrical ; it has a .somewhat short»'r frontal area, ami has the groove formed by the 

 Becundury scars on the mentum «leep and unbroken. 



Mastochilus ( Cetejus 1 peltostictus (Kaup). 



I'lL- .\III,r>. p. 99; als.. pi. I. 

 Arrratux i>flliiMlirlns. Kmip. Isiis/j pp. .'(-ft. 



Two specimens fntm Ceram and many froni N<\v (iiiinea, one of the latter \<i-nuj fri.ni 

 Stephansort. I.iength 22-5-26-3. 



The outer tul>ercles are strongly asymmetru al. ilic lelt one being slightly Imijiti than 

 the right. broa<l ami tmncate instead of slender and pointed, and more inwardly dire<ted. 

 The groove repre.senting the secondarj* scars on the mentum is more strongly an-he<l away 

 from the anterior nmrgin than in M. sodalis, and the grooves of the elytra are nu»re finely 

 punctured, esiKnially the dorwil ones. In other respects M. iHltoslidun resemble.- M. 

 Bod/iln. 



* The two •imnmnu vbirh I nvonled from RlrphMuort (lOllr. p. 334), ihounh compared with iMinvd upvcimco* in 

 Berlin, do nnl affrrc with Kunrrt'ii clr«rnpUon of thr piramt tprrin. and arr apiwrmlly M. prllo*tiel»i», Kaup. 



