Coleoptera from Delagoa Bay. 381 



sulcate. Elytra entire, thickly and somewhat finely punctate ; 

 humeral angles prominent and subnodulose ; lateral margins 

 slightly concave towards middle, narrowed towards apices. 

 Posterior tibiee inwardly bispinous at apices; anterior and 

 intermediate femora coarsely punctate, posterior femora finely 

 and sparingly punctate. 



Long. 20 millim. 



Hob. Delagoa Bay. 



Helymceus albicornis, sp. n. 

 HelymcBus cyanipennis, MS., Dej. (nom. prseocc. by Thomson). 



Black ; elytra cyaneous, in one specimen olivaceous ; pro- 

 notal angles cretaceous. 



Head, including front, coarsely punctate and subrugulose, 

 anterior margin strongly incrassated ; antennse with the basal 

 joint incrassated and coarsely punctate. Pronotum about as 

 broad as long, very thickly and coarsely punctate and tessel- 

 late, lateral margins ampliated, obtusely angulate, and creta- 

 ceously hirsute. Scutellum triangular and sulcate. Elytra 

 very thickly and coarsely punctate, the humeral angles sub- 

 nodulose, lateral margins slightly concavely sinuate, apices 

 truncate. Lateral margins of pro-, meso-, and metanotum, 

 and margins of abdomen beneath cretaceously hirsute. 

 Femora apically clavate, posterior femora extending a little 

 beyond apex of abdomen. 



Long. 13-15 millim. 



Hah. Delagoa Bay. 



The markings of the pronotum resemble those of the species 

 described and figured by Gerstaecker under the name of 

 Closteromerus insignis. 



Apiogaster mahota^ sp. n. 



Black ; clavate portion of anterior femora and rather more 

 than basal half of elytra orange-yellow. 



Head coarsely punctate and scabrous ; antennae shorter 

 than the body, joints 1 to 4 coarsely punctate, remaining 

 joints tomentose. Pronotum much longer than broad, rugu- 

 lose, constricted anteriorly. Elytra very coarsely and thickly- 

 punctate, their bases narrowly convex, levigate and subnodu- 

 lose, lateral margins moderately concavely sinuate, apices 

 angulate; each elytron with a prominent raised longitudinal 

 line. Sternum very coarsely punctate ; body beneath very 

 finely pilose. 



Long. 10 millim. 



Hah. Delagoa Bay. 

 Ann. & Mag. N. Hist. Ser. 7. Vol. i. 29 



