RHYNCHOPHORA MALAY AN A 315 



G. ruficoUis, as Wollaston suspected . is only the other sex , 

 probably the female of this species. The specimens from Hatam 

 and the Fly River have a large rufous spot at the base of each 

 elytron (see Tav. 3, f. 8) which led me at first to consider them 

 as belonging to a distinct species. 



Homalotrog-us. 



Wollaston, 1. c. pp. 482-565. 



400. H. angustifrons , Wollaston, 1. c. p. 624. 



Hah. Ramoi, Fly River, L. M. D'Albertis; Aru, Beccavi (Ceram, 

 Batchian , Wallace). 



401. H. arctatus, n. sp. Augustus, pavallelus, depressus, nitidus; caput 

 latius, convexuin, inter oculos linea longitudinaliter im2')ressum, sat grosse 

 punctatum; oculi proininuli; rostrum, cum capite, piceum , minus punc- 

 tatum, basi constrictum; antennae ferrugineas; pro thorax oblongus, piceus, 

 fere a basi ad apicem gradatim angustior, supra sparse grosse punctatus, 

 in medio spatio laBvigato longitudinaliter notato ; elytra rufo-testacea, 

 sulcato-punctata, punctis majusculis, approximatis, interstitiis parum ele- 

 vatis- pedes ferruginei; tibiae triangulares, breves; corpus infra piceum; 

 pectus grosse punctatum. Long. 4 mm. 



Hah. Somerset, L. M. D'Alhertis, 



No doubt for Wollaston this species would have stood as the 

 type of a new genus; more strongly sculptured with a broader 

 and convex head , and other scarcely more than specific cha- 

 racters it has better claims to generic distinction than many 

 others he has proposed in his elaborate essay. Gkeotrogus is too 

 nearly allied, as it appears to me, to Homalotrogus. 



Cossonus. 



Clairville, Ent. Ilelv. I, p. ,58. 



402. C. anxius, n. sji. Augustus elongatus, subdepressus , fusco-piceus; 

 caput inter oculos confertim punctatiun et fovea oblonga munitum, postice 

 fere Isevigatum; rostrum antice quadratum, basi angustius dense puncta- 

 tum; antennai pice», fere in medio rostri insertae; prothorax oblongus, 

 supra planatus, irregulariter grosse punctatus, in medio linea laevigata 

 notatus; elytra parallela, prothorace paulo angustiora, suljsulcato-punctata, 

 punctis conspicuis rotundatis, interstitiis vix elevatis; corpus infra piceum; 

 coxae anticas valdc separatje ; pedes validi, r ufo-picei. Long. 5 mm. 



