LXXIV 



Royal Society of Edinhurgh. 



Proceedings. XV. XVI. Ï887-89. 



Transactions. XXXIII. Part III. 1886—87. XXXV. Part 



I— IV. 1887-90. 



Marine biological Association of the United Kingdom. 

 Journal. New Ser. Vol. I. 3. 1890. 



N. VI. Nyt Magazin for Naturvidenshaberne. 



XXXI. 4. 1890. 



Archiv for Mathematik oq Naturoidenskab. 

 XIII. '2—4. XIV. 1. 2. 1890. 



Société imperiale des naturalistés de Moseou. 

 Bulletin. 1889. N°. 2—4. 1890. N°. 1. 

 Meteorologische Beobachtungen. 1889. 

 Nouveaux Mémoires. XV. Livraison 6. 1889. 



Dorpater Naturforscher- Gesellschaft. 

 Sitzungeberichte. IX. 1889. 1. 



Schriften. V. Wellirauch K., Die Besselsche Formel. 

 1890. 



Societas pro fauna et flora fennica. 



Meddellanden. 1888—89. Femtonde hiiftet. 

 Aeta. V. 1 



Herbarium Musei fennici. Editio Secunda. I. 1889. 

 lljelt, Notae conspectus florae fennicae. 1888. 



B ergens Museum. 



Aarsberetning for 1889. 



N. VII. Zoologische Station zu NeapeL 



Mittheilungen. IX. 3. 1890. 

 Fauna und Flora des Golfes von Neapel. 

 XVII. JWayer, Paul, Caprelliden, Nachtrag. 1890. 4°. 



Reale Istituto Lombardo. 

 Rendiconti. (2). XXI. 1888. 



N. VUT. Boston Society of Natural History. 

 Proceedings. XXIV. 1. 2. 1889. 



Museum of comparative Zoology at Harvard College, 

 Bulletin. XVI. 6—9; XVII. 6; XIX. 1—4; XX. 1. 2. 

 Memoirs. XVI. 3. XVII. 1. 

 Annual Report for 1888—89. 



John Hopkins University. 

 Circulars. IX. 76, 78—83. 

 Studies biological Laboratorj. IV. 5. 6. 7. 



American Academy of Arts and Sciences. 



Proceedings XXIII. 2. 1888. XXIV. 1888—89. 1889. 



The American Naturalist. 



1889. July — December. 1890. January — September. 



The American Journal of Science. 



XXXVIII. 22S— 230; XXXIX; XL. 237-239. 1890. 



