482 (106) Mr. G. E. Crotch's Revision of 

 Thonius substriatus, sp. n. 



T. pavonino simillimus, sed latior, tliorace breviore ; elytris 

 basi striato-punctatis, fascia basali sub-recta, maculis duabus api- 

 calibiis fere confluentibus, ferrugineo-cinctis. L. 5^ lin. 



Columbia. 



Thonius Buckleyi, sp. n. 



T. pavonino similis, sed postice valde dilatatxis et convexus, 

 thorace breviore postice tenue marginati, unicolore, elytris ut in 

 T. maculato signatis, macula interna subapicali minuta, totis 

 ferrugineo-cinctis. L. 6 — 7 lin, 



Eciiador (Buckley). 



The prosternum is compressed, largely elevated and dilated. 



Thonius nebrioides, sp. n. 



Ovatus, rufo-brunneus, nigro-signatus, capite Isevi, nigro-bi- 

 signatoj tliorace quadrato, angulis anticis acutis, crasse margin atis, 

 lateribus fortiter rotundatis, basi elytris multo angustiore, disco 

 Isevi nigro-signato ; elytris Isevibus, basi punctis perpau.cis sub- 

 seriatim impressis, fascia basali interrupta, subapicalique obliqua 

 nigris feiTugineo-cinctis. L. 5| lin. 



Columbia, 



Very distinct by the dilated thorax; the markings are similar 

 to those of T. pavoninus. 



Thonius flexuososignatus, sp. n. 



Ovatus, elytris basi constrictis, fulvus, capite oculis fortius 

 marginatis ; thorace angusto vix transverse, antice leviter emar- 

 ginato, lateribus rotundatis, ante angulos posticos rectos, sinuatis, 

 basi truncato, laevi, tenue nigro-limbato, maculis 2 discoidalibus 

 (cum margine antico connectis), 2 basalibusremotis, nigris; elytris 

 basi constrictis, postice acuminatis, nigro-limbatis, nigro-signatis, 

 gignatura ante medium ad sinistrum elytrum littera S simulante, 

 fasciaque flexiiosa apicem versus. L. 5 lin. 



N. Granada. 



The first 2 ventral segments are black in the middle and with 

 black spots at tlie sides, the epipleurae bordered with black. 



Thonius flavipennis. 



Tlionius Jlavij)6nnis, Guer. Icon. R. A. Ins. 309. 

 Columbia. 



Thonius (?) unicolor. 



Thonius unicolor, Guer. Icon. R. A. Ins. 309. 

 Columbia. 



