244 Mr. J. S. Baly's Descriptions of 



which the anterior one is rather larger; on the inner surface, at the 

 base, is a large patch of coarse yellow pubescence ; tibiae of the 

 same pair mucronate at the apex, and armed just before the latter, 

 externally with a stout spine, internally with a very short obtuse 

 tooth ; basal segment of abdomen longitudinally excavated, coarsely 

 punctured and covered with coarse yellow pubescence. 



Female. — Intermediate femora produced beneath into a flattened 

 sub-acute tooth ; hinder thighs scarcely extending beyond the 

 elytra, furnished near their apex beneath with a short denticulate 

 ridge. 



Var. A. — Bright metallic-green, body beneath and legs with 

 purple reflexions. 



Madras, collected by Mrs. Hamilton. 



I have named this beautiful species after my friend E. Janson, 

 Esq., the able co-secretary of our Society ; it ought to stand close 

 to S. PctcUi, but is easily separated from that insect by its elongate 

 form and by the toothed intermediate thighs. 



Sngra carhunculus, Hope. 



*' Cyanea, elytris igneo auroque micantibus, pedibus posticis in- 

 crassatis, tibiis incurvatis." 



Long. 4g lin. 



" Caput, antennae, thorax, corpus infra pedesque cyanei. Thorax 

 fere quadratus, antice ante oculos contractus, punctulatus. 

 Elytra carbunculosa, igneo auroque micantia, creberrime punc- 

 tulata. Pedes femoribus 4 anticis parum incrassatis, tibiis 

 subincurvis ; posticis valde incrassatis, subunidentatis, tibiis 

 arcuatis, tarsis flavo-spongiosis. 



" Ex. India orientali, Sylhet." 



Hope, Trans. Lin. Soc. xix. p, 112, pi. 10, fig. 9; Annals and 

 Mag. of Nat. Hist. ix. p. 248. 



Mas. — Femoribus posticis valde incrassatis, elytra sat super- 

 antibus, intus prope marginem inferiorem flavo-tomentosis ; 

 subtus ante apicem lamina tridentata, dente intermedio valido, 

 postice denticulato, instructis ; tibiis ejusdem paris basi 

 arcuatis, delude subrectis, apice mucronatis, extus ante apicem 

 late emarginatis, intus obsoletius dentatis, abdominis segmento 

 prime complanato, leviter excavato, parce punctato, vage 

 flavo-tomentoso. 



Var. A. — Duplo minor, femoribus posticis elytra modice super- 

 antibus, glabris, subtus ante apicem crista tridentata instructis, 

 tibiis ejusdem paris simplicibus. 



Long. 6 lin.; var. 4| lin. 



