1899J MICROSCOPICAL JOURNAL. 133 



Haven, Conn., 71 Trinidad, 72 Arica, Peru, 73 Monterey i, 

 Cal., 74 Monterey ii, 75 St Crux, Cal., 76 Fort Ross, Cal., 77, 

 Pug-et sound, Wash, 78 Port Townsend i, Weish, 79 Port 

 Townsend ii, 80 Port Townsend lii, 81 Rodrigues, 82 Sand- 

 wich Islands, 83 Funafutti, South Sea, 84 Samoa Islands, 85 

 Swamp, Australia. 



Brackish water. 101 Odense Harbour, 102 Odense Canal, 

 103 Seden i, Odense Fjord, 104 Seden ii, 105 Seden iii, 106 

 Lumby, Od, Fjord, 107 Klintebjerg-, Od, Fjord, 108 Stig-e, 

 Od, Fjord, 109 Munkebo i, Kjerting-e Fjord, 110 Munkebo 

 ii. 111 Home Bay Funen, 112 Cuxhaven i, 113 Cuxhavenii, 

 114 Heilig-endamm, Baltic, 115 Usedom, Baltic, 116 Swine- 

 munde Baltic, 117 Warnow River, Germany, 118 Aseleben, 

 Saxony, 119 Hudson River, U. S. 120 Congo River, Africa. 



Fresh Water. 13l, Odense Rivulet, 132 Valby, Copenha- 

 gen, 133 Aalborg-, Denm, 134 Lac Sarnen, Switzerland, 135 

 Ploener Lake i, Holstein, 136 Ploener Lake ii, 137 Hasel- 

 bach. Saxony, 138 Golzern, Saxony, 139 Bienitz, Saxony, 140 

 P^ilenburg-, Saxony, 141 Chemnitz, Saxony, 142 Sachsische 

 Schweiz,143 Groeden, Tyrol, 144 Eisenach, Thuringen, 145 

 Platten Lake, Hungary, 146 Garnock River, Scotland, 147 

 Loc Kinnord i, Scotland, 148 Loc Kinnord ii, 149 Paw- 

 tucket, Rhode Island, 150 Godfrey's Bay, Mass., 151 Texas, 

 152 Erie Lake. 



Plankton. 161 Limf jorden, Denm, 162 Little Belt, Demn, 

 163 Great Belt, Denm, 164 Northwest Reef, 165 Marstrand, 

 Sweden, 166 Drobak i, Christiania Fjord, Norway, 167 Dro- 

 bak ii, 168, Drobak iii, 169 Atlantic Ocean, between Norway 

 and Iceland, 170 North Atlantic Ocean, l7l Atlantic Ocean, 

 Bergen, 172 Bay of Bengal, 173 Baltic, 174 Ploener Lake. 



BACTERIOLOGY. 



Bacteriological Researches Upon Whooping Cough.— 

 Dr. Otto Zusch observed twenty-five cases of whooping- 

 coug"h. The micro-organism he found and described is a 

 short bacillus. It did not show any evidence of agglutina- 

 tion in the presence even of undiluted serum from whoop- 

 ng cough cases. While he does not believe that the bac~ 



