342 Dr. E. A. Cockayne on the relation between Gonads. 



Kellogg. Journ. of Exp. Zool. 1904, i, 4, p. 601. 

 Kosminsky. Zool. Jahrb. Abt. Syst. Geogr. u. Biol. 1909, 



xxvii, p. 361. 

 . Zool. Jahrb. Abt. Allg. Zool. u. Physiol. 1911, xxx, 



p. 321. 

 Meisenheimer. Zool. Anzeiger, 1907, xxxii, p. 393. 

 Oudemans. Zool. Jahrb. Abth. f. Syst. 1899, xii, p. 71. 

 Smith, G., and Hamm. Q. J. of Micr. Science, 1910, liv, 



p. 577. 

 Smith, G. Ibid. 1914, lviii, p. 435. 



