JOURNAL OF ENTOMOLOGY AND ZOOLOGY 97 



IMPORTANT REFERENCES 



Berlese, A. 1909 



Sisteina Nervosa. Gli Insetti. vol. 1, p. 558. 



Deegener, P. 1912 



Nervensystem ; in Handbuch der Entoiuologie Bd. 1, p. 7G. 



Haller, B. 1910 



Ueber das Bauchiiiark. Jen. Zeit. f. Nat. 46 Bd. 



Hammar,A.G. 1908 



On the nervous system of the larva of Corydalis cornuta L. 

 Ann. ent.' see. Am. vol. i, no. 2. 



Hilton, W. A. 1913 



The central nervous system of Aphorura. Jour. ent. and zool. 

 vol. V, no. 1. 



The central ganglia of Xenylla. Jour. ent. and zool. vol. 

 vi, no. 1. 



(Contribution from the Zoological Laboratory of Pomona College.) 



