109 



with the inner anterior angle inflected, their other parts, together with the 

 whole epimera, concealed by the elytra. 

 Venter composed of .-i\ segments, the apical being the longest and entire. 



very -hurt, anterior with the trochanters minute, trigonal; femora moderate, 

 simple ; tibiae rather slender: tarsi three-jointed, the first twice as long as the 

 second, the third very long and very slender, with the claws small and faintly 

 curvi d. 

 intermediate like the anterior. 



posterior (PL Kill., A, fig 8) with the trochanters moderate, claviform; tibiae 

 faintly dilated and armed with minute spurs at the apex ; in other respects 

 like the anterior. 

 mt, rior oval, contingent. 



intermediate ovate, very slightly separated by the carina. 

 posterior large and prominent, robust and broadly laminated on the whole 

 outer margin. 



N. fungi, the only species contained in this genus, has been so often accurately 

 described, and is so clearly represented in PL XIII. A of this work, that it is need- 

 less to say more than that it is bright yellow in colour and clothed with a short 

 golden pubescenee. Among the Trichopterygidee collected in Central America by 

 Mr. Champion, I was very much pleased to find an example of this most minute of 

 all the Coleoptera, more especially as it enabled me to complete my previously 

 imperfect description by adding an account of its antenna. In Dr. Le Co 

 specimen these limbs had been broken off, but in Mr. Champion's the whole head 

 had become detached from the thorax in the process of mounting the insect on 

 card, and thus the antennae could be examined without any trouble. 



Gen. XXVII. NOSSIDIUM. 



Nossidium posthumum. 



.V. posthumum, Matthews, Cist. Ent. i. p. - 2!is, 1874; Trans. Am. Ent. Soc. xi. 



p. 155, 1884. 



L c. ,'; ; liu. 075 mm. — Ovale, valde onvexum, nitidum, testaceum, pilis 

 brevibus rlavis vestitum , capite sat breve, obtuse triangulare, punctis remotis 

 impresso ; oculis modicis, vi\ prominentibus ; pronoto capite longiori et multo 

 latiori, ad basim latissimo, glabro, nitido, remote et levissime puncl ribus 



late marginatis, vi\ rotundatis, margine basali baud depressa, leviter Binuata, 

 angulis acutis ; elytris semiovalibus, capite atque pronoto paulo longioribus, hand 

 latioribus, ad humeros latissimis, ordinibus transversis, sinuatis, profundi' punctato- 

 asperatis, inter stitiie glabris, nitidissimis, lateribus vix rotundatis, leviter marginatis, 

 apice obtuso; pedibus atque antennis testaceis. 



Body oval, very convex, shining, testaceous, clothed with short yellow hair. 

 Head rather short, obtusely triangular, remotely punctured; eyes modi 



scarcely prominent ; antenna with the two basal joints yellow (the r 



broken off). 

 Thorax longer and much broader than the head, widest at the base, smooth and 



-hining, remotely and very faintly punctured, sides broadly margined and 



faintly rounded, basal margin no! depressed, slightly sinuated, with thi 



acute. 

 ScuteUum small, triangular, marked with fiv< punctures placed in the form of a 



triangle on the d 



