NicKLEs AND BAssLER] PAPERS ARRANGED BY AUTHORS. 561 



ZiTTEL, Karl A. 



1880. Hand))iu'h dor Pahvoiitolog-ie. MiinchcMi und Loipzitr, 1880. 

 [Bivozoa, pp. 575-641.] 



ZiTTEL, Karl A. , and Barrois, Charles. 



1883. TraitodePaleontologio. Paris, 1883. [Bryozoa, pp. 582-650.] 

 [Translation of ZitteFs Handbuch into French by Dr. Barrois.] 



Zykoff, W. 



1890. Zur Fauna der Siisswasser-Bryozoen der Umgegend von Mos- 

 kau. (Zoologischer Anzeiger, XIII, 1890, p. 414.) 



Bull. 173 36 



