Linnaan Society. 533 



Mr. Westwood gives the following as a synopsis of the genera 

 belonging to the family in its present state: — 



AntenncE quasi biarticiilatae. 



Caput thorace baud immersum, collo distincto, ocellis nullis. 



Palpi lahiales articulo ultimo elongate 1, Paussus. 



ai'ticulis Kqiialibus 2. Platyrhopalus. 



Caput thorace immersum ocellis duobus 3. Hylotorus. 



Antennce quasi sexarticulatse. 



Prothorax angulis anticis valde productis 4. Peiitaplatarthrus. 



transversus, angulis anticis rotun- | ^ r 7 • » 



J ■• ,• • 1 ,v ° . ,. /• 5. Lebioaerus. 



datis, posticis value emarginatis J 



truncato-cordatus G. Ceratoderus. 



Antennce quasi decemarticulatcTe 7. Cerapterus. 



1. Paussus, Linn, 



Sect. A. Thorax quasi bipartitus. 



a. Antennarum clava postice baud excavata, 



1 . P. microcephalus, L. Africa ! 



2. P. Jousseimii, Guer. Rangoon. 



3. P. Linncei, Westw. Habitat unknown. 



4. P. Burmeisteri, Westw. Cape of Good Hope. 



5. P. rufitarsis, Westw. Habitat unknown, 

 fi. P. pilicornis, Donov. Bengal. 



7. P. Turcicus, Frivaldsk. Balkan Mountains. 



b. Antennarum clava postice excavata. 



8. P. tkoracicus, Donov. Bengal. 



9. P. Fichtelii, Donov. Bengal. 



10. P.fulvus, luteo-fulvus subopacus, elj'tris magis rufescentibus, anten- 

 narum articulo basali thoracis lateribus postice feraoribusque obscurio- 

 ribus, capite supra profunde impresso. — Long. corp. lin. 3. 



Hab. in India Orientali. 



11. P. tibialis, castaneus nitidus, elytris singulis plaga magna nigra, tibiis 

 4 anterioribus elongatis ; posticis niulto latioribus compressis, antenna- 

 rum clava postice profunde excavata. — Long, corp. lin. 2|. 



Hab. in Bengala. In Mus. D. Westermann. 



12. P. excavatus, Westw. Senegal. 



13. P. ruber, Thunb. Cape of Good Hope. 



14. P. cochlearius, Westw. South Africa. 



15. P. Klugii, Westw. Cape of Good Hope. 



Sect. B. Thorax subcontinuus. 

 a. Species Africanie. 



16. P. sphcBrocerus, Afzel. Sierra Leone. 



1 7. P. armatus, Dej. ; P. cornutus, Chevrol. Senegal. 



18. P. curvicornis, Chevrol.; P. cornutus, var.}, Chevrol. Senegal. 



19. P. Shuckardi, Westw. South Africa. 



20. P. Uneatus, Thunb. Cape of Good Hope. 



21. P. affinis, Westw. On the authority of the British Museum Cata- 

 logue Mr. Westwood is now enabled to give Africa as the habitat of 

 this species ; but he suggests that there may be some mistake as to lo- 

 cality, and that the insect may really be Indian, and not specifically di- 

 stinct from the following, P. cognatus. 



