288 H. W. BATES 



Closely allied to the Mesopotamian B. inserticeps :, Chaud. In 

 fact, beyond the darker and more greenish-bronzed colour, the 

 pale yellow legs and base of antennae, and the broad yellow 

 apex of the elytra, I see very little difference. The head is finely 

 alutaceous subopake, the head and elytra lightly shining. 



48. Tachys prolixus, n. sp. 



T. suhviUato (Bates) proxime affinis, oculis similiter parum 

 prominentibus , sulcis frontalibus extus curvatis , prolongatis , 

 elytrorumque poro-setifero anteriori apud interstitium G.*""" juxta 

 striam 5.*^"" sito, Oblongus, elytris quam in T. suhviUato lon- 

 gioribus ; rufotestaceus laete sericeus, antennis palpis pedibusque 

 pallidis, elytris versus suturam et latera infuscatis. Thorax sat 

 transversus, minus elongatus, antice late rotundatus postico si- 

 nuatim mediocriter angustatus, angulis posticis subacutis. Ely- 

 tra striis punctulatis impressis utrinque quatuor, h}^ parum 

 conspicua, S.""* llexuosa, abbreviata, prope apicem, caeteris ob- 

 soletis 2.°'^* et 3.'^ basin versus rectis; poro-setifero posteriori 

 intra apicem striolae recurrentis sito. — Long. 3 ^^ niillim. 



Karin Asciuii Ghecù, alt. 1400-1500 m. 



The Ceylonese T. subvitlatus is smaller (3 millim.) has a 

 distinctly longer, though similarly-shaped thorax and shorter 

 elytra, with only two sharply impressed, and a third feebly- 

 marked, striae, on each, the 2."*^ and S/*^ incurved towards the 

 base. The situation of the setiferous pores is the same. 



49. Tachys photinus, n. sp. 



T. subviltalo (Bates) affinis. Multo major, et differt oculis pro- 

 minentibus. Oblongus, supra planatus, castaneo-fuscus supra 

 sericeonitens et certo situ opalescens. Caput fere nigrum, sulcis 

 frontalibus latis sat profundis, curvatis, fere sicut in TrechiSj 

 frontis lateribus prope oculos convexis, poro setifero anteriori 

 magno. Thorax castaneo-rufus, trans ver so-quadratus , mox pone 

 angulos anticos rotundatos, ampliatus, post medium subsinuatim 

 modico angustatus, margine laterali explanato-reflexo postico 

 multo latius, angulisque posticis valde acutis, oblique elevatis; 



