59 



than the head and thorax, slightly asperated in transverse wavy rows, sides 



margined and slightly rounded, extremities Blightly rounded and pale. 

 Abdomen elongate, obtuse, with five segments partly exposed, minutely tridentate 



;it the apex. 

 Legs moderate, brighi yellow. 



Under parts dusky castaneous, with the margins of all the segments pale. 

 Differs from others in its narrow and very convex form, castaneous colour, and in 



sculpture. 



Habitat, Kurope. Found in Wicken fen, Cambridgeshire, by Mr. Downing. 



Trichopteryx angusta. 



'/'. angusta, Matthews, Ann. Mag. Nat. Hist. 6, iii. 1889, p. 192. 



L. i ., 1 in . # 75-0*87 mm. — Elongata, valde angusta) convexa, nitida, 



nigra, pilis fulvis parce vestita; capite magno, prominenti, fere glabro ; oculis 

 modicis, hand prominentibus : pronoto parvo, capite latiori et parum longiori, ad 

 basim Latissimo, modice dilatato, indistincte et confertim tuberculato, nitido, lateri- 

 bus leviter marginatis el leviter rotundatis, margine basali fere recta, angulis 

 productis, acutissimis; elytris fuscescentibus, perbrevibus, parum attenuates, capite 

 atque pronoto brevioribus atque angustioribus, ad humeros latissimis, ordinibus 

 transversis, regularibus, sat profunde asperatis, lateribus ovaliter rotundatis, et 

 leviter marginatis, apicibus obtusis, vix rotundatis; abdomine valde elongato, 

 Begmentis quinque expositis, nigro, leviter asperato, apice obtuso, integro; pedibus 

 late, antennis obscure flavis. 



Body elongate, very narrow, convex and shining, black, sparingly clothed with 



fulvous hair. 

 Head large and prominent, almost smooth ; ej r cs moderate, not prominent ; antennae 



dusky yellow. 

 Thorax small, i lerately dilated, shining, broader and rather longer than the head, 



widest at the base, indistinctly and closely tuberculate, sides slighih rounded 



and margined, basal margin nearly straight, with the angles produced and 



very acute. 

 Scutellum large, triangular, rather deeply asper 

 Elytra fuscescent, very short, Blightly attenuated, shorter and narrower than the 



head and thorax, widest at the shoulders, rather deeply asperated in regular 



transverse rows, sides ovallv rounded, and slightly margined, extremities 



ohtuse, scarcely rounded. 

 Abdomen elongate, with five segments exposed, black and slightly asperated. 

 / i moderate, brighi yellow. 

 Under parts black, with the mouth and Mow. 



.■ from other Bpecies in its intermediate size, long and narrow form, very short 



elytra, and long abdomen. 



Habitat, Europe. Three examples of this species were found by myself near 

 (iumlev, Leicestershin . 



Trichopteryx Brasiliensis. 



T. Brasiliensis, Matthews, Ann. Mag. Nat. Hist. r>, iii. 188!), p. l'.»-. 



L. c ,';. lin.=0'75 mm. Suboblonga, convexa, nitida, fortiter calata, 

 fuscescens, pilis fulvis vestita; capite magno, lato, nigro, modice tuberculato; 

 oculis parvis, hand prominentibus; pronoto - ante basim latissimo, 



nigrescent i, profunde el confertim tuberculato, interstitiis nitidis, lateribus margi- 

 natis, valdi rotundatis, atque seta nigra, erecta pom- media instructis, margine 



i 2 



