294 H. W. BATES 



62. Tachys (Banjtachys) mirabilis, n. sp. 



Gracilior, valde convexus, politissimus, niger, elytris castaneo- 

 fuscis, utrinque maciilis duabus sat magnis rufo-testaceis, anteriori 

 jnxta humerum vage delimitata elongata, posteriori subrotundata 

 et pallidiori longe ante apicem ; palpis et pedibus flavo-testaceis, 

 antennis articulis 1-2 rufis, 3-6 nigro-fuscis, 7-11 albis. Sulci 

 frontales acuti angustissimi, omnino laterales juxta oculos, fronte 

 lata laevi. Thorax elongato- et sat anguste cordatus, capite paul- 

 lulum latior, antice mediocriter rotundato-dilatatus, postice gra- 

 datim sinuato-angustatus ; sulculo transverso basali nullo , dor- 

 sali fere obsoleto; fovea basali sat angusta subelongata, carinula 

 supra angulos obtusa. Elytra modico ovata, basi utrinque a 

 thoracis angulo recto oblique truncata , humeris acute oblique 

 dentatis, stria tenuissima suturali, alteraque medio-basali abbre- 

 viata versus discum extensa acute-impressis, 8/* et 9."°' grossius 

 exaratis , epipleuris latis sub corporis lateribus deilexis : poris 

 setiferis duobus minutis discoidalibus , altera panilo ante, altera 

 pauUo post medium. Pedes elongati. Subtus politus, castaneo- 

 fuscus . ventre rufo. — Long. 2 Yg niillim. 



Bharaò ; Kawkareet (Tenasserim). 



This curious and charming species seems on first examination 

 to merit generic separation, but it is evidently only one amongst 

 the many modifications of form in the Barytachys group. B. con- 

 vexum, Mc. Leay (Tr. Ent. Soc, N. S. W. II, p. 115) from 

 Queensland and West Australia is somewhat allied, the thorax 

 being destitute of the transverse basal sulcus, and the shoulders 

 of the elytra faintly dentate, but in other respects the form of 

 body and sculpture offer nothing peculiar. 



63. Tachys {Barytachys) infans, Bates, Ann. and Mag. N. H. 

 (5) XVII, p. 154. 



Senmigion ; Karin Gheba alt. 500-1000 m. ; Karin Asciuii 

 Ghecù alt. 1400-1500 m. 



Also found in Ceylon. There are three minutely punctulated 

 striae on each side of the suture, the third more or less abbre- 

 viated both anteriorly and posteriorly and bearing the two dor- 



