tJie Cistelidfe dkc. of Japan. 42.') 



Elongate, black above, obscurely brown beneath, with 

 ashen pubescence ; the head rather sparsely punctured, some- 

 what reddish behind the eyes ; the thorax closely and rather 

 rou<;hly punctured, faintly red anteriorly ; the elytra simi- 

 larly sculptured to the thorax, except that tiic punctures in 

 parts are vaguely arranged longitudinally ; apex narrowly 

 red; the antenme, palpi, mouth-organs, and legs pale reddish 

 brown. 



Hah. Numata. Two examples in June. 



Macratria fluviatiliSf sp. n. 



Elongata, nigra, cinereo-pubescens ; antcnnia ' basi, palpis pedi- 



busque brunueo-rufis. 

 L. 5J-5| mill. 



This species is extremely similar to M. apicalis, but it is 

 smaller, wholly black above, with the joints 8 to 11 of the 

 antennse distinctly black. 



Hah. Nataksugawa. Two examples, July 23rd, 1881. 



Macratria antennaltSj sp. n. 



Elongata, parum nigra, cinereo-pubescens ; elytris basi obscure 

 brunneis ; antennis articulis G^-ll"" perlongis infuscatis, basi, 

 palpis pedibnsque brunneo-rufis. 



L. 4\ mill. 



This species is extremely like M. jiuviatUisy but it is 

 smaller and narrower, with the head more shortened behind 

 the eyes ; bases of the elytra vaguely brownish, and the 

 joints of the antennae 9 to 11 are markedly lax, and each 

 joint is nearly as long again as the corresponding one in 

 sM. Jluviatilia, and they are dusky brown, not black ; joints 

 4 to 8 are relatively shorter and almost moniliforin. 



Hah. Numata. 



Macratria japonica, Harold . 

 Macratria japonica, Har. Deutsche ent. Zeitschr. p. 359 (1877). 



This species is about half the size of M. jluviatilis ; the 

 femora at their bases are usually infuscate. 



Hah. Yamaguchi {Hiller) ; Yokohama, very common in 

 winter under loosened bark of Zelkowa Keakij tSieb. Also 

 at Ichiuchi, Numata, and Niigata. 



Ann. d: Mag. N. Hist. Ser. 6. Vol. xv. 30 



