the Tetriginm in the Oxford University Museum. 395 



3. Pronotuin elevated between the 

 shoulders, gibbose on each side 

 of summit, flattened, declivous 

 backwards ; body asperous, 

 viewed in front subquadrate ; 

 front margin truncate, tricarin- 

 ate, not or very little produced [tella, nov. 



at the middle II, genus Cladono- 



A. Posterior femora having the 

 superior margin armed with 

 three acute trigonal sjiines . C. rjlhbosa, Haan. 

 A. A. Posterior femora having 

 the superior margin un- 

 dulate, the femoral and 

 genicular spines large, 



triangular G. heccarit, Bolivar. 



2.2. Lateral lobes having the posterior 

 angles strongly laminate - ex- 

 panded, obliquely truncate, or 



erose- spiniform 



3.3. Pronotum depressed, median 

 carina criatulate-sinuate, dor- 

 sum posteriorly strongly fos- 

 sulate reticulate, between the 

 shoulders profoundly im- 

 pressed, apex of process often 

 angulate excised or abruptly 

 acute ; rami of frontal facial 

 scutellum only slightly separa- 

 ted, often angulate, protuberant [nov. 

 above antennal insertion . . Ill, genus Tettilobus, 

 A. Lateral lobes of pronotum 

 having the posterior angles 

 strongly laminate expanded, 

 erose - siainiform ; spines of 

 vertex elevated much above 



the eyes T, qnnifruns, sp. nov. 



A. A. Lateral lobes having 

 the posterior angles 

 obliquely truncate, min- 

 utely serrulate . . . T. interrvptus, Eolivar 



