452 56. Hydrophorus, 



dis, fenioribus pnsticis latere e^teriori pubc.^centibus. Cauda 

 maris longe inflexa, magna, atra, nitiila, apice appendici- 

 bus filifurniibiis, fiiscis. 



11. H. trunconim: senesccnli griseus, Ihorace la;le 

 obsolete brunneo-lrivillalo; anlennis nigris; cpislomale 

 lenco, laleribus flavesceuti pruinoso, inferne viridi aut 

 cyanco; ore dislinctc CNserlo, alro; pcdibus nigris, geni- 

 culis lestaceis; alis hyalinis, nervo transverso elongato, 

 ad marginem inleriorem subretraclo, squamis halleribus- 

 que albidis; cauda roaris modicc crassa. </$. (Long. 1 lin.). 



Zell. Ins. Lapp. 102. 8. <^^. Medeterus Meig. 4. 

 6T. 15. c^. 



Hab. in Scandinavia , minus freq., 1 JuL — 'M) Aug., 

 captus; scilicet in Scania rarius; in Gottlandia; Sanda, 

 Slilo, Kyllcj, Thorsborg (fc insula Faron, uterque sexus 

 Jul. 1811, passim; in Angermannia ad Hernosiind; in 

 Lapponia Umcnsi ad Lycksele, a me inventus. In silvis 

 accrosis plcrumque occurril. 



(^$. Sinulliiiius priori , a quo tamen magnitudine paullu mi- 

 nore, colore forsitan nonnihil obscuriore, epistomate sub- 

 angustato , in medio denudato, viridi, inferne viridissimo 

 aut cyaneo , thoracis vittis minus perspicuis, ut & cauda 

 maris forte paullo minore, mihi distinctus videtur. 



12. H. apicalis: griscscenti Kneus, thorace imma- 

 culato; anlennis nigris; epislomate viridi; ore subexscrto, 

 alro; pcdibus nigris, geniculis testaceis; alis hyalinis, 

 ncrvo transvcrso brevi, a margine remolo, squamis pal- 

 lidis, marginc nigris, halteribus albidis. $. (Long. vix l lin.). 



Sta'g. in lill. 22 Maj. 1841. 



Hab. in Scania rarissimc; io Iruncis arborum Dania; 

 mcns. Scpl. <t Octob. eliam a 1). «SVfPg-er invcnlus, mihi- 

 quc bcnignc communicatus. 



