1/ 



XXVI 



Archiv for Matliematik og Naturvidenskah. 

 XIII. 1. 1889. 



Académie impériale des Scienees de St. Pétersbourg. 

 Bulletin. XXXII . 2—4. 1888. 



Société impériale des naturalistes de Moscou. 

 Bulletin. 1888. N°. 3. 4. 1889. N°. 1. 

 Meteorologische Beobachtungen. 1888. Iste Halfte. 



Tromsoe Museum, 

 Aarshefter. XII. 1889. 

 Aarsberetning for 1888. 



Dorpater JVaturforscher-Gesellschaff. 

 Sitzungeberichte. VIII. 1888. 3. 



Archiv für die Naturkunde Liv- , Ehst- und Kurlands. 

 Mineralogische Wissensch. (I). IX. 5. 1889. 



Bergens Museum. 



Aarsberetning for 1888. (1889). 



Videnskabs Selskabet i Christiania. 

 Forhaudlinger. 1888. (1889). 



N. VII. Museo civico di Storia naturale di Genova. 



Annali. (2). II— VI. 



Zoologische Station zu Neapel. 



Mittheilungen. VIII. 3. 4. 1888. IX. 1. 2. 1889. 



N. VIII. Boston Society of Natural History. 

 Proceedings. XXIII. 3, 4. 1887—88. 



Museum of comparative Zoology at Harvard College. 

 Bulletin XVI. N°. 2. 3. 1888. 4. 5. 1889. XVII. 3. 



1889. 4. 5. XVIII 1889. 

 Memoirs. Vol. I. 1. 1865. 2. 1865. 

 » » II. 3. 1870. 



» » XIV. N°. 1. Part. II. I. 1889. 



» » XII. XIII. 1884. 



Annual Eeport for 1887—88. 



John Hophins University. 



Circulars. Vol. VII. N°. 66. 67. Vol. VIII. 6S. 74. 



Acadeniy of Science of St. Louis. 

 Transactions. V. 1. 2. 1888. 



Tlie American Naturalist. 



XXII. Nov. December 1888. XXIII. January— May 1 889. 



The American Journal of Science. 

 XXXVI. N°. 216. 1888. XXXVII; XXXVIII. 225— 

 227. 1889. 



Smithsonian Institution. 

 Report. 1886. Part. I. 



