66 JOHN SAHLBERG, BIDRAG TILL NORDVESTRA SIBIRIENS INSEKTFAUNA. 
In territorio silvoso satis freqventer occurrit; ad oppidum Tjumen ?3/;!, ad Tobolsk 19/,-3/. (BERGROTH), 
prope vicum Kalimsky ad Obi ?Y/-1 et ad vicum Imbatsk ?5/,! captus. — Europa borealis et media. — Mus. 
Holm. et IHelsingf. 
402. Cercyon lateralis Marsé. — Murs. Col. Fr. Palpice. 163. — TuHoms. Sk. Col. II, 107, 11 et 
IX, 127, 11. — Sumr. Faun. Bult. 74. — Gemm. et Har. Cat. Col. 497. — Sphaeridium MarcH. Ent. Brit. 
Is, 71 (1802). 
In territorio silvoso prope vicum Vorogovo 39/4 (TRYBOM) et in territorio arctico prope ostium fluminis 
Kurejka !8/,! captus. —— Europa borealis et media. — Mus. ITolm. 
403. Cercyon flavipes FaBrR. — Muzis. Col. Fr. Palpic. 176. — THoms. Sk. Col. II, 107, 12 et IX, 
127, 12. — SmnL. Fauwn. Balt. 73. — Gemm. et Har. Cat. Col. 496. — Sphaeridium FABR. Ent. syst. I, 81, 
19 (1792). 
In territorio arctico prope ostium fluminis Kurejka !5/4 unicum specimen inveni. — Europae maxima 
pars, America borealis (?). — Coll. Sahlb. 
Obs. Specimen hoc obscurius et qvam specimina fennica minus et magis convexum videtur; an species 
distincta. 
404. Cercyon melanocephalus L. — Mus. Col. Fr. Palpic. 178. — TuHoms. Sk. Col. II, 108, 13 et 
IX, 127, 13. — Ser. Faun. Balt. 73. — Gem. et Har. Cat. Col. 497. — Dermestes L. Faun. Sv. 144, 
425 (1761). 
In territorio silvoso in montibus Uralensibus prope oppidum Jekaterinburg 19/5 a TRYBOM captus. — 
Tota Europa. — Mus. Holm. 
405. Cerceyon qvisqvilius L. — Murs. Col. Fr. Palp. 166. — THoms. Sk. Col. IT, 68, 13 et IX, 
128, 15. — SmmL. Faun. Balt. 74. — Gemy. et Har. Cat. Col. 498. —  Scarabaeus L. Faun. Sv. 138. 
397 (1761). 
In territorio arctico prope oppidum Beresov ?!/, a BERGROTH captus. — Tota Europa. — Mus. Helsingf. 
406. Cercyon unipunetatus L. — Murs. Col. Fr. Palpie. 164. — THoms. Sk. Col. II, 109, 16 et 
IX, 128, 16. — SemL. Faun. Balt, 74. — GemMmwm. et Har. Cat. Col. 499. — Coccinella L. Faun. Sv. 153, 
470 (1761). 
Habitat in stercoratis in territorio silvoso freqventer; ad Tobolsk, Tunguska media et Kolmogorovo 
captus; in territorio aretico prope oppidum Beresov ?!/> unicum specimen invenit BErGrRoTH. — Tota Europa. 
— Mus. Holm. et Helsingf. 
407. Cercyon pygmaeus ILuc. — Murs. Col. Fr. Palpic. 170. — THoms. Sk. Col, II, 109, 18 et 
IX, 128, 18. — SmoL. Faun. Balt. 74. — GEemm. et Har. Cat. Col. 498. — Sphaeridium Ti11G. Mag. Ent. 
I, 40, 3—6 (1802). 
In territorio silvoso prope ostium fluminis Tunguska mediae 3/3! et ad vicum Vorogovo 79/4 (TRYBOM) 
captus. — Tota Europa, Asia orientalis, Africa. — Mus. Holm. 
408. Cryptopleurum atomarium FazrR. — Murs. Col. Fr. Palpic. 188. — THoms. Sk. Col. II, 111, I. 
— Sm. Faun. Balt. 74. — Gemm. et Har. Cat. Col. 301. — Spaeridium FABR. Syst. ent. 67 (1775). 
Habitat in stercore in territorio silvoso freqventer; ad Tobolsk, Jenisseisk, Imbatsk et Asinovo captum. 
— Europa borealis et media. — Mus. Ilolm. et Ilelsingf. 
Fam. Gyrinidae. 
409. Gyrinus marinus GYyLL. Ins. Sv. I, 143 (1808). — AuBh Spec. gen. Hydr. et Gyr. 687, 23. — 
THoms. Sk. Col. II, 116, 3. — v. Kwrs. Ins. Deutschl. I, II, 147, 10. — Grmm. Cat. Col. 469. 
In territorio silvoso passim satis freqventer occurrit, ad Spirina, Narym et Nasimovo captus; in territorio 
frigida prope vicum Dudinka ?7/> unicum specimen invenit TryBom. — HEuropa tota, Asia borealis. — 
Mus. Holm. 
410. Gyrinus opacus SAaHLB. Ins. Fenn. 70, 3 (1819). — SurerR. Stett. ent, Zeit. 1842, 252. — 
ScHÖDTE Danm. Hl. 5364, 3. — v. Kins. Is. Deutschl. I, II, 143, 11. — SHARP nt. Monthl. Mag. V, 18668, 
3J, I. — SmDL. Faun. Balt. 64. — J. SauuB. Emim. Col. Amph. Fenn. 2309. — GEMM. Cat. Col. 469. 
In aqvis stagnantibus in territorio frigido prope vicum Dudinka ”3/;, ?9/; et 7/g! ad vieum Tolstoinos !/9! et 
prope vicum Saostrov !0/7 (TRYBOM) captus. — Fennia, Dania, Germania, Britannia. — Mus. ITolm. et Ielsingf. 
411. Gyrinus minutus FaBr. Int. syst. Suppl. 65, 8 (1798). — AvBh Spec. gen. Hydr. et Gyr 683, 
20. — v. Kies. Ins. Deutschl. 138, 2. — TuHoms. Sk. Col. 117, 3. — Gemm. Cat. Col. 470. 
