93 



R. FRIEDLÄNDER & SOHN in BERLIN N.W. 6. 



Just published [2g 



Researclies 



on the 



Evolution of the Stellar Systems 



by 



T. J. J. See, 



Ä. ML, Lt. M., Sc. M. (Missou.); Ä. M., Ph. D. (Berol.). 



Volume IL 



The capture theory of Cosmical Evolution, 



Founded on Dynamical Principles and Ulustrated by Phenomena Observed 

 in the Spiral Nebulae, the Planetary System, the Double and Multiple 

 Stars and Clusters and the Star-Clouds of the Milky Way. 



4940. 



One Volume in-4. of 735 pages with more than 4 00 illustrations bound in cloth. 



Price 45 Mark. 



Volume I, published in 1896, one Volume in-4. with 50 plates, cloth. 



Price 25 Mark. 



R. FRIEDLAENDER & SOHN in BERLIN N.W . 6. 



Wir erhielten die letzten Exemplare von [29 



Felix Lynch Aribalzaga 



Dipterologia Argentina. 



5 partes. 



Culicidae (74 pg. c. 5 tabulis, t color.). — Mycetophilidae (75 pg. c. J tabulis). — 

 Chironomidae (54 pg.). — Sapromyza (50 pg.). — Syrphidae (4 81 pg.). 



Preis 36 Mark. 

 Einzeln: Mycetophilidae: Preis 6 Mark. 

 Chironomidae: „ 3 „ 

 Buenos Aires 1891—93. gr. in-8. 

 Kur wenige vollständige Exemplare sind noch vorhanden. 



