—  XLVI  — 
Ueter  die  zunelimende  Zcahl  der  Blitzschlage  und  die  TJrsachen  derselben.  —  Smirnow. 
Énumeration  des  espèces  de  plantes  vasculaires  du  Caucase.  —  .THTBIIHOBA.  CnHcoitt 
pacTeniff  ji;nHopacTyiii,nxi.  bt,  TaMÓoBCKoii  ryócpiiirr.  —  Ballion.  Otiorhynchus  Turca  Stev. 
Ein  Beschadiger  des  Weinstockes. 
^Bulletin  de  la  Société  khédiviale  de  Geographie.  2"  sér.  n.  12.  Le  Caire,  1887. 
Junker.  Sept  ans  de  voyages  dans  l'Afriquc  centrale. 
■i'Bulletin  de  la  Société  mathématique  de  France.  T.  XY,  7.  Paris,  1887. 
Anglin.  Sur  le  coefficient  du  terme  général  dans  certains  développeinents.  —  Laisant. 
Théorèmes  de  trigonometrie.  —  Poincaré.  Sur  les  hypotlièses  fondamentales  de  la  géomé- 
trie.  —  de  Fresie.  Développement  en  ijroduit  des  fonctions  0  et  H  de  Jacobi  et  recherche 
des  valeurs  de  ces  fonctions  quand  les  périodes  sont  divisées  par  un  nombre  entier. 
•^Bulletin  des  sciences  mathématiques.  2®  sér.  t.  XII,  janv.  1888.  Paris. 
Schoenflies.  Sur  les  courbes  et  surfaces  décrites  pendant  le  mouvement  à  cinq  con- 
ditions.  —  IVeyr.  Extrait  d'une  lettre  à  M.  Hermite.  —  lùenigs.  Un  théorème  concernant 
la  surface  de  Steiner,  et  l'ensemble  de  trois  coniques  qui  se  coupent  dans  l'espace. 
'Bulletin  of  the  Buffalo  Society  of  naturai  Science.  Voi.  V,  2.  Buffalo,  1886. 
Walker.  The  Gape  Worm  of  Fowls  (Syngamus  trachealis):  The  Earthworm 
(Lumbricus  terrestris),  Its  Originai  Host.  —  /(/.  On  the  Prevention  of  the  Disease 
in  Fowls  Called  the  Gapes,  which  is  Caused  by  this  Parasite.  —  Fisli.  Ventriloquial  and 
and  Imitative  Power  of  Birds.  —  Williams.  Notes  on  the  Fossil  Fishes  of  the  Genesee 
and  Portage  Black  Shales.  —  Mixer  and  Williams.  Fish  Remains  from  the  Corniferous, 
near  Buffalo.  —  Day.  Native  and  Naturalized  Plants  of  Buffalo  and  its  Vicinity  (Second 
Supplement).  —  Pohlman.  The  Thickness  of  the  Onondaga  Salt  Group  at  Buifalo,  N.  T. 
■''Bulletin  of  the  California  Academy  of  Sciences.  Voi.  II,  6,  7.  S.  Francisco,  1887. 
7.  Becker.  The  Washoe  Rocks.  —  Comstock.  Provisionai  Vaine  of  the  Latitude  of  the 
Lick  Observatory.  —  1.  Lee  Greene.  Some  Genera  Which  Have  Been  Confused  Under  the 
Name  Brodisea.  —  2.  Miscellaneous  Species,  New  or  Noteworthy. —  On  Tetraodon  Setosus 
a  New  Species  Allied  to  Tetraodon  Meleagris  Lacép.  —  Casey.  Descrijjtive  Notices  of  North 
American  Coleoptera.  —  Davidson.  Submarine  Valleys  on  the  Pacific  Coast  of  the  United 
States.  —  Bryant.  Additions  to  the  Ornithology  of  Guadalupe  Island.  —  Davidson.  Stand- 
dard  Geodetic  Data.  —  Id.  Early  Spanish  Voyages  of  Discovery  on  the  Coast  of  Califor- 
nia. —  7.  Richter.  Ocean  Currents  Contiguous  to  the  Coast  of  California.  —  Party.  The 
Pacific  Coast  Alders.  —  Cooper.  West  Coast  Pulmonata;  Fossil  and  Living.  —  Lee  Greene. 
Studies  in  the  Botany  of  California  and  Parts  Adiacent.  VI.  —  Emerson.  Ornithological 
Observations  in  San  Diego  County.  —  Wolle.  Desmids  of  the  Pacific  Coast.  —  Harkness. 
Fungi  of  the  Pacific  Coast.  — ■  Davidson.  Occultations  of  Stars  by  the  Dark  Limb  of 
the  Moon. 
■  Bulletin  of  the  United  States  Geological  Siirwey.  N.  34-39.  "Washington. 
White.  On  the  relation  of  the  Laramie  Molluscan  Fauna  to  that  of  the  succeedings 
Fresh-water  Eocene  and  other  groups.  —  Barus  and  Strouhal.  The  Physical  Properties  of 
the  Ii'oii  Carburets.  —  Barus.  The  Subsidence  of  small  particles  of  Insoluble  Solid  in 
Liquid.  —  Ward.  Types  of  the  Laramie  Flora.  —  Diller.  Peridotite  of  EUiot  County,  Ken- 
tucky. —  U'pham.  The  Upper  Beaches  and  Deltas  of  the  Glacial  Lake  Agassiz. 
+  Centralblatt  (Botanisches).  Bd.  XXXIII,  1-5.  Cassel,  1888. 
JankO.  Equisetum  albomarginatum  Kitaibel.  —  Ilansgirg.  Einige  Bemerkungcn  zur 
Aufsatze  A  Tomaschek's  «  Ueber  bacillus  muialis».  —  Murr.  Ueber  die  Einschleppung 
und  Verwilderung  von  Pfianzen-arten  im  mittleren  Nord-Tirol. 
