Entomological tfo ciety. 



481 



March 2nd. — The Rev. F. W. Hope, President, in the Chair. 



A quantity of silk cocoons from the Cape of Good Hope was pre- 

 sented hy Mr. Dukeford, who requested information as to the possi- 

 bility of their being serviceably employed in the silk trade. 



Mr. Bainbridge exhibited a monstrous Lucanus Cervus, one of the 

 mandibles of which was strangely distorted. 



Mr. Shuckard exhibited a specimen of Macropis labiata, a genus 

 of bees recently described by M. L. Dufour in the ' Annales de la 

 Societe Entomologique de France,' and which had been captured (for 

 the first time in this country) by Mr. Walton in the New Forest, 

 near Lyndhurst. 



The following memoirs were read : 



Descriptions of new species of Cetoniadce in the collection of the 

 Rev. F. W. Hope, with observations on the genus Osmoderma. By 

 Mr. W. Bainbridge. 



After noticing the doubts which exist relative to the true locality of 

 Osmoderma scabrum, and dividing that genus into two sections from 

 the difference in the sculpturing of the elytra, the following species 

 are described : — 



Osmoderma Beauvoisii, B. Nigrum, clypeo convexo, thorace for 

 tissime punctato sen varioloso lateribus subserratis, lined medid 

 longitudinali parum impressd ; elytris thorace multo latioribus, 

 striis fortiter inscufptis ; corpore subtus nigro. Long. corp. 

 lin. 10. Inhabits ./Equinoctial Africa. 



Osmoderma scabrum, H. Cupreo-ceneum seu bronzeum, clypeo 

 valde reflexo postice foveato, thorace crebrissime punctulato sulco 

 longitudinali lato fortiter impresso : elytris thorace parum latio- 

 ribus striis rugoso-punctatis ; corpore subtus bronzeo punctulato. 

 Long. corp. lin. 9. Inhabits North A-uerica. Mr. Doubleday. 



Gnathocera nigrita, B. Nigra, clypeo quadrato, dente brevi utrin- 

 que armato, thorace hexagono varioloso, elytris antice scabris, 

 postice l&vioi'ibus et tuberculalis, pedibus atro-piceis. Long, 

 corp. lin. 9. Inhabits Sierra Leone. Mr. Strachan. 



Gnathocera amabilis, B. Smaragdina nitida, pedibus roseo-opali- 

 nis, clypeo emarginato, antennis nigro-piccis, thorace trigono, la- 

 teribus marginatis, atro-punctato. Long. corp. lin. 10. Inhabits 

 Sierra Leone. Mr. Strachan. 



Diplognatha holosericea, B. Nigra, thorace subtilissime punctu- 

 lato, elytrisque striatis et punctatis ; corpore infra nigro nitido, 

 aureo-pubescente ; abdomine lined medid longitudinali rubra im- 

 pressa. Long. corp. lin. 9£. Inhabits Sierra Leone. Mr. 

 Strachan. 



Diplognatha Rama, H. Rufescens, clypeo rotundato, thorace et 

 elytris purpureo-variegatis ; corpore subtus nigro, sterno rotun- 

 dato rubro, pectore utrinque maculd lata rubrd. Long. corp. 

 lin. 8£. Inhabits Japan. Allied to Vet. Hebrace, Oliv. 



Diplognatha ? pectoralis, H. Fusco-rubra, clypeo bidentato, pectore 

 Jlavo-maculato, segmentis abdominalibus utrinque jlavo notatis ; 

 Ann. Mag. N. Hist. Vol. vi. Suppl. 2 i 



