Rev. F. W. Hope on new Insects from Western Africa. 367 



The above insect was received from Sierra Leone and was collected 

 by Mr. Palin. 



Sp. 51. Phyllarthrius unicolor. Long. lin. 5; lat. lin. l£. Rubro- 

 piceus, thorace orbiculari, antennis binis primis articulis nigrican- 

 tibus, reliquis flavo-piceis. Elytra concoloria. Corpus infra testaceo- 

 rubrum, femoribus incrassatis. 

 The above insect was received from Ashantee. 



Sp. 52. Hamaticherus signaticollis, Hope. Long. lin. 10 ; lat. lin. 2&. 

 Niger, antennis corpore longioribus, thorace 4-maculato, maculis 

 flavo-sericeis. Elytra ad apicem abrupte truncata linea aurato- 

 sericea longitudinali conspicua, reliqua parte disci atra. Corpus 

 infra nigrum, segmentis abdominis argenteo-sericeis, pedibus nigri- 

 cantibus, tarsis infra flavo-spongiosis. 



Hab. Circa Palmas. 



The above species will at some future time be regarded as the type 



of a subgenus allied to Hamaticherus. 



Sp. 53. Hamaticherus viridipennis. Long. lin. 12; lat. lin. 4. Vi- 

 ridi-nitens, thorace nigro rugisque transversis obsito, elytris viridi- 

 bus, ad apicem abrupte truncatis et sub lente subtilissime punctu- 

 latis. Corpus infra atro-piceum, antennis pedibusque rubris. 



Hab. Circa Sierram Leonam. 



Sp. 54. Hamaticherus pilosicollis. Long. lin. 10; lat. lin. 3. Viridis, 

 capite thoraceque flavis capillis obsitis, disco supra linea longi- 

 tudinali, maculaque utrinque nigra nitida insignito. Elytra viridia 

 nitida ad apicem rotundata, sub lente vix punctulata. Corpus infra 

 nigrum flavisque capillis obsitum, pedibus concoloribus. 



Hab. Circa Palmas. 



Sp. 55. Hamaticherus glabricollis. Long. lin. 8| ; lat. lin. 2 J. Vi- 

 ridis, antennis rubro-piceis, thorace nigro lateribus rugosis. Elytra 

 ad apicem truncata subbispiriosa viridia nitida sub lente vix punc- 

 tata. Corpus infra nigrum, pedibus segmentisque abdominis pos- 

 tice rubro-piceis. S 



Hab. Circa Palmas. 

 The above three species are all metallic, and appear to belong to 



a peculiar section. I am also acquainted with others from the same 



locality. 



Sp. 56. Ionthodes amabilis. Long. lin. 11 ; lat. lin. 3. Affinis/or- 

 mosa, Serville, at major. Caput atrum, antennis pedibusque rubris. 

 Thorax niger, maculis argenteis insignitus, binis flavis in medio disci 

 positis, binisque aliis albidis utrinque ad latera conspicuis. Elytra 

 lsete purpurascentia in quibusdam locis obscura. Corpus infra ni- 

 gro-sericeum. 

 This lovely insect inhabits Sierra Leone. 



Sp. 57. Callichroma assimile. Long. lin. 10 ; lat. lin. 2§. Affine 

 Call. Afro, Fab. et Cer. nitenti, Olivier. Viridi-nitens, antennis 

 pedibusque ferrugineo-flavis, thorace rotundato subspinoso, trans- 

 verse rugoso viridique aurato. Scutellum lsete aureum, elytris vi- 



