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

 Thonius substriatus, sp. n. 



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

 basi striato-punctatis, fascia l^asali siib-recta, niaculis duabus api- 

 calibus fere coufluentibus, fen-ugineo-cinctis, L. 5| lin. 



Columbia. 



Thonius Buckleyi, sp. n. 



T. pavonino similis, sed postice valde dilatatus et convexxis, 

 thorace breviore postice tenue marginati, ixnicolore, elytris ut in 

 T. mactdato signatis, macula interna subapicali minuta, totis 

 ferrxigineo-cinctis. L. 6 — 7 lin. 



Ecviador (Buckley), 



The prosternum is compressed, largely elevated and dilated, 



Thonius nebrioides, sp. n. 



Ovatus, nifo-brunneus, nigi'o-signatus, capite Isevi, iiigro-bi- 

 signato; thorace quadrato, angulis anticis acutis, crasse mai-ginatis, 

 lateribus fortiter rotuudatis, basi elytris multo angustiore, disco 

 Isevi nigro-signato j elytris Ipevibus, basi punctia perpaucis sub- 

 seriatim impressis, fascia basali interrupta, subapicalique obliqua 

 nigris ferrugineo-cinctis, L. 5|- lin, 



Columbia. 



Very distinct by the dilated thorax; the markings are similar 

 to those of T. 2')(('Voninus. 



Thonius flexuososignatus, sp. n. 



Ovatus, elytris basi constrictis, fulvus, capite oculis fortius 

 marginatis ; thoi'ace angusto vix transverse, antice leviter emar- 

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

 basi truncate, Isevi, tenue nigro-limbato, maculis 2 discoidalibus 

 (cum margine antico connectis), 2 basalibus remotis, nigris; elytris 

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

 signatui-a ante medium ad sinistrum elytrum littera S simulante, 

 fasciaque flexuosa apicem versus. L. 5 lin. 



N. Granada. 



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

 black spots at the sides, the epipleurse bordered with black. 



Thonius flavipennis. 



Thoniufi Jlavipennis, Guer. Icon. R. A. Ins. 309. 

 Columbia. 



Thonius (?) unicolor. 



Thonii(s nmcolor, Guh: Icon. li. A. Ins. 309. 

 Columbia. 



