J918.1 l*"- ^J- Cravely : I'n.milidar of the World. 107 



( The antennal lamellae normal . • • • . . L. ijmcilis, Heller.» 



- I The first two antennal lamellae very short, the remainint; four 

 ' I exceptionally Ion;,' . . • • • • •• L. ploxoides. p. 10 J. 



iThe first two antennal lamellae very short, the remainini.' four 

 exceptionally lonji . . • • • • ■ ■ L. ptux, p. lOo. 



The antenniil lamellae normal .. .. •• •• •• 9- 



( The elytra separate ; insects of moderate size . . . . L. rompcrfjusi, p. 105. 



■* I The elytra united : insects of larfje size . . . . . . • . 10. 



' The outer tubercles much narrower than the space between 

 them, each being composed of two more or less distinct 

 blunt processes only; the posterior intermediate areas 

 of the metasternum smooth . . . . . . L. luoliiccanus, p. lOG. 



U>'^ The outer tubercles at least as broad as the space between 

 them, each including: an additional blunt process on the inner 

 side of. and some distance from, the two found in L. moluc- 

 censis ; the posterior intermediate areas of the metasternum 

 coarsely punctured ■• •• L. gigas, \>. h'&- 



Genus PROTOMOCOELUS, Zang. 19056, p. 154- 

 — Pdoiis, Kaiip. 1S71, preoccupied. 

 Type, Passabis australis, Boisduval, 1S35, pp. 246-247, pi. vi, fig. 21. 



Protomocoelus australis (Boi.sduval). 

 PI. I. 



Pas.fahis mtstrnlis. Boi.sduval. 1835, pp. 2-16-247. pi. vi. fig. 21. 



Pelops australis. Kaup. 1871, p. 38. 

 Five specimens from the Solomon Islands (including one from San Cristoval and one 

 from Bougainville), three from New Brittain. many from New Guinea (Milne Bay) 

 Stephansort and Isola YiUe). and several from Waigeu, Am (Wamma Dobbo and Ureiuniug) 

 and Ceram. Also one .specimen said to come from Australia. Length 30-47 mm. 

 The Solomon Islands r^pecimens (except the one from Bougainville, which is only 35 mm. 

 long), and the .specimen labelled Australia, are nuich the largest, none of the others exceeding 

 37 mm. in length. Apart from the Bougainville specimen the smallest of the Solomon 

 Islands .specimens is 41 mm. long. I am unable, however, to find any constant stnictural 

 difference between the Solomon Islands .specimens and the others, and am consequently 

 unable to recognize P. tiolomonis (Kaup) as distinct. P. australis is somewhat variable, 

 and the validity of Kuwerts species may be doubted.- 



Protomocoehis axsfrnlis is probably allied more closely to Labienus i)iaequalis than to any 

 other species yet described. It differs from it. however, in the structure of the mandibles (see 

 above, pp. 78 and 79) ; in the broader and often more widely separated, but very variable. 



' Sfp Gravely. liM.I. for figures of tWm species. 



» PaMnlll■^ impn.isicolli.-. BoliciiiHii ISSS. p. 40. cnnnot luloiig. ii.s supposed by Kuwcrt. to tlio present genus, for its 

 outiT tubcrclrs arc equal and obtuse in.itrnd of unrqiinl nntl acute. It comes from Sydney, and not from Mcnodo ns statwl 

 l.v Kiiwerl ; it is snid bv Bolieninn to be allied to Maslochiliis iKili/pfii/lln", and doubtless belongs to the same genus. 



p2 



