60 Mr. A. SiDxicY Olliff's descriptions of 



impressed in the centre; sides oblique; posterior angles rounded. 

 Epistomi with a slight emarginatioa in front, sides oblique. 

 Antennae four-jointed; the basal very short, second much longer, 

 third as long as the first and second together, the apical much 

 narrower and about as long as the second. Ocelli, five on each 

 side; three placed in front, near the base of tlie antenna, and 

 two a short distance behind. Labrum rounded in front, Avith 

 a long bristly hair on each side, and a few smaller ones on the 

 disc. Mandibles strongly curved, acutely bifid at the apex. 

 Maxilla3 narrow, curved, covered with fine hairs at the apex; 

 maxillary palpi three- jointed, the basal transverse, second more 

 than twice as long the first, the apical rather shorter and nar- 

 rowed towards the extremity. Labium very small, rounded in 

 front, clothed with a few fine hairs; labial paljii composed of 

 three articles, the basal very shoi-t, the second rather longer, the 

 terminal narrowed towards the apex. Tlioracic segments de- 

 cidedly narrower than the head, sides arcuate, anterior and 

 posterior angles rounded. Abdominal segments of the normal 

 number; the first rather shorter than those of the thoi-ax, the 

 second to sixth gradually increasing in length, the eighth longer 

 and narrower, the last very short and provided at the apex with 

 two rather long, elevated, incurved spines; each of these spines 

 has, near the base, a much shorter spine, which is bifid at the 

 extremity. Stiormata, nine in number, similar to those of the 

 larva of Ciicvjiis hcrmatodcfij Erichs.* Legs well developed, 

 very sparingly covered with fine hairs; claws curved and simple. 

 Length 17 mm. 

 Japan (Lewis). 



Platycotylus. 

 OllifE Trans. Ent. Soc. Lond., 1883, p. 18-2. 



Plati/cof//hi.<t nigripes, n. sp. 



Black, with a steel-blue tinge, somewhat .shining, much 

 depressed. Head finely and moderately closely punctured. Pio- 

 thorax nearly twice as broad as long, rather convex, finely and 

 closely punctured ; anterior and posterior angles produced ; sides 

 rounded and very slightly constricted before the base ; posterior 

 margin with a slight central imjiression. .Sciitellum transverse, 

 rounded behind, very fincsly and in-cgularly punctured. p]]ytra 



* Described by Erlchson (Naturg Insect. Deutscli. iii. p. 310) and 

 Ghapuis aud Candeze (Mem. >Soc. Liege viii, p. S(!, pi. ii, fig. ^). 



