170 [August, 



A long series. This minute bronze-black insect was placed by me 

 under Oclithehivs when m}^ son's Indian collections were first sorted, on 

 account of the short maxillary palpi. It belongs, however, to the genus 

 LaeJiaena Sahib. (0£v. Finsk. Vet.-Soc. Forh. xlii, p. 203, 1900), the type 

 of which, L. sparsa, is from Turkestan, differing from the latter in the 

 inf uscate palpi and legs, the unimpressed prothorax, etc. No S -characters 

 are apparent in the numerous specimens received, and the sexes of L. sparsa 

 were not identified by the author, the late J. R. Sahlberg. The ab- 

 breviated maxillary palpi separates the present genus from Hydraena. 



Hi/droscapha siihstrigosa, n. sp. 



Very near //. cro^c/»" Sharp, from tlie Rio Manzanares in Spain, but larger, 

 broader, and darker; fusco-testaceous, the sides of the prothorax paler, the 

 head and tip of the abdomen piceous, the antennae and legs testaceous ; very 

 finely pubescent, shining, the surface extremely finely alutaceous, the punc- 

 turing minute, close, becoiuing a little finer and more scattered on the prothorax, 

 and more conspicuous on the apical half of the elytra, the interspaces on this 

 portion of the surface transversely strigose; the sides of the prothorax arcuately 

 converging from a little before the base to the apex; the exposed conical 

 abdomen considerably elongated. 



Length lf-2 mm. 



Hah. Ranikhet, Kumaon (IT. G. C: iv.l920). 



Two specimens, recently received with various Limnehius, Ochtltehins, 

 Hydraena, etc., from Almora. The details of structuve oi HydroscfqjJta 

 are described and figured by the late A. Matthews in his account of the 

 genus (Tric]iopferyy/aSnY>iAenient), issued in 1900, and a fuller defi- 

 nition of the Himalayan insect is unnecessary. The other known sjiecies 

 of the genus are H. natans Lee, from N. America, H. gyr/noides Auhe 

 and H. graniihim Motsch., from S. Europe, and H. sJiarpi Reitt., from 

 Lenkoran. I have taken H. gyrinoides in abundance at Terranova, 

 Sardinia, by " swilling " the shallow water along the banks of a running 

 stream. 



Sfenus hidentatus, n. sp. 



Kobust, finely pubescent, feebly shining ; brassy -black, the elytra with a 

 small rounded reddish spot on the disc beyond the middle, the antennae 

 with the basal and apical joints, and the maxillary palpi with the apical 

 joint, infuscate or black, for the rest testaceous, the legs obscure testaceous, 

 T\ itli the knees broadly infuscate ; head, prothorax, and elyt)a coarsely, densely, 

 uniformly punctate, the puncturing of the abdomen iiner and also dense. 

 Heal moderately large, broadly excavate between the eyes. Prothorax a 

 little longer than broad, rounded at the sides, narrowed towards the base, 

 with an indication of a shallow, abbreviated, median groove. Elytra broader 

 than the head, and not so long as ■nide. Abdomen mar-jiued laterally, the 



