1849.1 Linnean Society. 55 



ance with peculiarities of function, and that these are dependent 

 mainly on diiFerences of detail of structure. 



June 19. 



The Lord Bishop of Norwich, President, in the Chair. 



Frederick Gould, Esq., was elected a Fellow. 



Read " Descriptions of seventeen new species of the Coleopterous 

 family Paussidte." By J. O. Westwood, Esq., F.L.S. &c. 



Genus Cerapterus, Swed. 

 Subgenus Orthopterus. 

 Cerapterus {Ortliopterus) LaFertei, Westw. 

 C. piceo-castaneus nitidus laevis, pronoto raagis fulvescenti-castaneo, 

 elytris nigro-castaneis tenuissime punctatis : singulo plaga longitudinali 

 per dimidium posticum suturae extensa ad apicem recurva et cum 

 margine externo parallela fulva; pronoto linea impressa media; disco 

 baud setose, pedibus rufocastaneis. — Long. corp. lin. 6. 

 Hub. in Africa occidentali tropica apud " Rio Grande," inter Gambiam et 

 Sierram Leonani. 



In Mus. D. La Fertei. 



Obs. The club of the antennae is 2-ird longer than broad ; the ter- 

 minal joint is equal in length to the ninth, eighth, seventh, and ^rd 

 of the sixth joints. 



Cerapterus (Ortliopterus) concolor, Westw. 



C. totus obscure castaneus nitidissimus, elytris magis nigricantibus ; pro- 

 noto linea media longitudinali vix distincta ; elytris basi et lateribus 

 punctis setiferis instructis ; disco magis evidenter punctato, tibiis rufo- 

 castaneis. — Long. Corp. lin. 6. 



Hah. apud Portura Natalensem A frieze meridionalis. 



In Muss. Brit, et Fortnum. 



Ohs. The club of the antennae is 2ird times longer than broad ; 

 the seven intermediate joints are of equal breadth, the last joint is 

 rather convex, and as long as the ninth, eighth, seventh, and half of 

 the sixth united. 



It is impossible, without a comparison with Mr. W. S. Mac- 

 Leay's original specimen of C Smithii, to determine M'hether this 



