g [January, 



sent l")y Herr Ganglbaiier iindpr the name of H. fiiJviroUis ; on 

 the npper-side this agrees mth the female from Eisleben, save that 

 the elytra are absolutely without pnnctulation, bnt the prosternnm is 

 flat and smooth with distinct raised side-margins which are separated 

 from the disc by an impressed line, and the specimen therefore doubt- 

 less belongs to H. fnrcafns, Seidl., which G-anglbauer puts as a variety 

 of fnlvicoUis, Er. The genitalia of the Eisleben male are similar to 

 those of rnficoUis. One reads of H. fvlvicoJlis, Er., that the markings 

 on the elytra are similar to those of variegatus, but in the specimens 

 seen by me they are, though more pronounced, of exactly the same 

 character as in niJirolJis, and not independent dark spots such as one 

 finds in variegatus. 



H. heydevi, Wehncke (ruficollis pars, Newbery, sec. spec. comm.). — 

 Of this very distinct and easily recognised species I have seen speci- 

 mens from Holme Bush, Brighton, New Forest, Stony Stratford, and 

 Leicester, in Dr. Sharp's collection, from Hampstead ex coll. Newbery, 

 and from Lee, in coll. Champion. It is very abundant in hill-ponds 

 in the Cotswold district, and I have taken it at Horning. I believe 

 that it is generally distributed, but passed over by collectors as small 

 ruficollis. [ have not met with H. multipnnctatns, Wehncke, from 

 North Germany, which its author distinguishes from rnficoUis by its 

 broader form, stronger rows of elytral punctures, a transverse impres- 

 sion on the base of the thorax, and the smooth elytra of the female. 

 Seidlitz separates this from heydeni by the thoracic impression straight 

 and sharply define<l on the inner as well as the outer side, the cliannel 

 of the prosternuni deep and smooth continued throughout its entire 

 length, and the very broad form, the elytra being only a little longer 

 than broad, and says that it is very rare in Grermany. 



H. flnviatilis, Aube. — I have taken this species' commonly both in 

 Norfolk and in the Cotswold district, quite as frecjuently in ponds as 

 in streams. The tlioracic impression is a small olilong-oval pit about 

 one- fifth as long as the thorax, and is sometimes reduced to a mere 

 puncture. The females of tliis species exhibit the elytral puuctulation 

 very clearly, the surface in some examples being appreciably dull. 

 Some specimens are much less regularly elliptic than others. Corstor- 

 phine Hills, 17.7.65 (D. Sharp) ■ Holy Island, Northumberland, 12.8.73 

 {J. J. WalJcer) . There is in coll. Champion a quite ordinary male of 

 this species from Pomerania sent by Reitter as H. immaculatus, Gerh. 



H. striatns, Sharp. — Besides a number of tlie original specimens 

 from near Dumfries I have seen three females from Hartlepool ex coll. 



