(1877-78) is very rich, containing perhaps three times as many 

 ;pecies as ■" 



species as the results of the whole three years' voyage of the 

 Chat' 



ENTOMOLOGY.' 



LIST OF NORTH AMERICAN CYNIPID/E. 



ftrata n. s. Genus 18. Cynips (L) Hertig. 



: = Aula* pirate O. S. strobilanai 



Os/ t ->i-S<rcl-e/iiiTi. 



Genus 



27. Holcaspis Maj 



Skbuh 





California B. 



Genus 



28. DryopuantaJ 



:<'<>rst. 



Bibliography of Gall Literature. — The study of galls be- 

 longs to the domain of entomology as well as botany, and no 

 one is more capable of reviewing the literature on the subject, 

 than Dr. Fr. Thomas, of Ohrdruf (Germany). Dr. Thomas has 

 for some years past prepared the chapter, " Durch Thiere erzeugte 

 Pflanzengallen " (Galls produced on plants by animals) of the 

 Botanischer Jahresbericht, and we have just received his report 

 from Vol. vii of that periodical. This latest record comprises the^ 

 literature of the year 1879, including a few publications of the* 

 year 1878, .not mentioned in the Jahresbericht for 1878, and 

 is arranged as in the previous volumes ; the titles are first 

 given alphabetically by authors, a key to the subjects treated 

 iThis department is edited by Prof. C. V. Rii.ky, Washington, D. C, to whom 



