DINEUTES FULGIDUS. 213 



punctato, rufo-ferrugineus , elytris vix obscurioribus , sat 

 regulariter ovatis. — Long. 2/' 3 mm. 



Of a rather regular oval shape, the upper surface very 

 finely reticulated all over; the punctuation of the protho- 

 rax and elytra distinct and rather spread; the head not 

 punctuated. Colour uniform ferrugineous red , somewhat 

 darker on the elytra. 



Closely allied to Hydrovatus dypealis Sharp ^) from which 

 it principally differs by the rounded clypeus , the less shor- 

 ter shape and the somewhat smaller size. 



Captured in March 1877 at Boekit Kaudang. 



7. Hydrocanthus Ritsemae, sp. n. 



Elongato-ovalis , convexiusculus , postice valde attenuatus , 

 omnino rufus , leavis ; elytris post medium aliquot punctis 

 raris et obsoletis vix notatis. — Long. 2^/4 mm. 



Red all over , smooth , the apical half of the elytra with 

 some distant and inconspicuous punctures. 



Captured in December 1877 at Loeboekh Gadaug. 



GYRINIDAE. 



1. Dineutes fulgidus, sp. n. 



Ovatus, latus, antice paulo magis quam postice attenua- 

 tus , utrinque valde depressus ; infra piceo-ferrugineus , pe- 

 dibus rufis , femoribus ferrugiueis ; supra nitidissimus , sub- 

 tilissime reticulatus , ad latera late sericeus. Capite et 

 prothorace coeruleo-aeneis ; elytris in medio aeneo-niicanti- 

 bus , latissime ad latera sericeo-coerulescentibus , striarum 

 vestigia aliquando praebentibus , extus ad apicem obsoletis- 

 sime emarginatis. — Loncf. 17 — 19 mm. 



1) Petites Nouvelles Entomologiquex. vol II. p. 61 (1876). 



P^otes from the lL.ey<len Museum, Vol. II, 



