10 Dr. Rob. Lucas: Entomologie. Allgemeines 1899. 
Hübn.); Geometridae (2 Art.: Xanthorhoe glacialis Hulst und lon- 
gula Hulst). 
Order //ymenoptera (by William H. Ashmead) p. 336—340. 
11 Arten: Apidae (2 Arten: Bombus sitkensis Nylander, B. moderatus 
Cresson); Proctotrypidae (1 Art: Zygota americana Ashmead); 
Ichneumonidae (9 neue Arten: Mesochorus frontalis d', Catastenus tri- 
fasciatus J'2, Mesoleius stejnegeri 2, Atmetus insularis J', Stenomacrus 
borealis 2, Exolytus niger ?, Stibeutes nigrita $, Hedylus crassi- 
cornis , Bachia nigra ®). 
Order Rhynchota (by William H. Ashmead) p. 340 — 341. 
3 Arten. 
Subord. Homoptera. Fulgoridae (1 Art: Delphax stejnegeri 
brachypt. form 2 nov. spec.); 
Subord. Hemiptera. Capsidae (1 Art: Irbisia sericans Stäl); 
Corisidae (1 Art: Corisa germarii Fieber). 
Order Diptera (by D. W. Coquillett) p. 341—346. 23 Arten. 
Cecidomyidae (1 Art: 1 spec. indet.); Chironomidae (1 spec. indet., 
Eutanypus nov. gen. mit E. borealis nov. spec. 2); Culieidae (1 Art: 
Culex sp.); Mycetophilidae (1 Art: Neoglaphyroptera beringensis 
nov. spec.); Tipulidae (2 Arten: Limnophila fulvicostalis nov. spec., 
Idioplasta ?spec.); Bibionidae (Bibio fumidus nov. spec.); Empididae 
(2 Arten: Empis laniventris Eschscholtz, Tachydromia nubifera nov. 
spec.); Dolichopodidae (1 Art: Hydrophorus signiferus nov. spec.); 
Phoridae (1 Art: Phora sp.); Sarcophagidae (1 Art: Cynomyia mor- 
tuorum Linnaeus); Muscidae (1 Art: Calliphora erythrocephala 
Meigen); Anthomyidae (3 Arten: Limnophora compuncta Wied., 
Phorbia sp., Fucellia fucorum Fallen); Scatophagidae (4 Scatophaga- 
Arten); Helomyzidae (1 Art: Leria tristis Loew); Phycodromidae 
(1 Art: Coelopa frigida Fallen); Trypetidae (1 Art: Trypeta flaveola 
nov. spec. @) Ephydridae (1 Art: Ephydra spec.); Borboridae (1 Art: 
Borborus spec.); Hippoboscidae (1 Art: Ornithomyia butalis nov.spec.). 
Order Siphonaptera (by D. W. Coquillett) p. 346. 1 Art. 
Pulicidae (Pulex fasciatus Bosc.). 
Order Plecoptera (by Nathan Banks) p. 346. 1 Art. 
Perlidae (Chloroperla severa Hagen). 
Order Trichoptera (by Nathan Banks) p. 346—347. 2 Arten 
Phryganeidae (Limnophilus perjurus Hagen und Goniotaulius femo- 
ralis Kirby). 
Arachnida (by Nathan Banks) p. 347— 551. Mit Tafel. 18 Arten. 
Order Araneida. 7 Arten. Fam. Therididae (6 Art.); Lycosidae 
(Pardosa spec). 
Order Acarina. 11 Arten. Fam. Rhyncolophidae (1 Art: Rhyn- 
colophus elongatus nov. spec. Abb. Taf. A Fig. 3); Trombididae 
(1 Art: Trombidium armatum Kramer und Neumann); Bdellidae 
(Bdella villosa Kramer u. Neumann, Bd. borealis Kramer und Neu- 
mann, Bdella frigida nov. spec. Abb. Taf. A Fig. 5); Gamasidae 
(Holostaspis arcticus Kramer u. Neumann); Ixodidae (Ixodes borealis 
Kramer u, Neumann); Oribatidae (Oribatella borealis nov. spec. Abb. 
