TYPE PROSOPYG1A. 275 



LITERATURE. 



POLYZOA. 



G J. Allman. A Monograph of the Fresh-water Polyzoa. London, 1856. 



T. Hincks. ..-I History of the British Marine Polyzoa. London, 1880. 



H. Nitsche. Bdtrage zur Kenntniss tier Bryvzot-n. Zeitschr. fur vvissensch. 



Zoologie, xx, 1869 ; xxi, 1871 ; xxv, Suppl., 1875. 

 A. Hyatt. Observations on Polyzoa. Suborder Phylactolannata. Proceedings 



Essex Institute, iv and v, 1866-68. 

 S. F. Harmer. On the Structure and Development of Loxosoma. Quarterly 



Journ. Microscop. Science, xxv, 1885. 

 C. B. Davenport. Papers in Bulletin of the Museum of Comp. Zoology, xx, 



1890 ; xxn, 1891 ; and xxiv, 1893. 



BRACHIOPODA. 



E. S. Morse. On the Systematic Position of the Brachiopoda. Proceed. Boston 



Soc. Nat. History, xv, 1893. 

 W. K. Brooks. The Development of Lingula. The Chesapeake Zoolog. Labo- 



ratory. Scient. Results of the Session of 1878. 

 J. F. van Bemmelen. Untersuchungen uber den anatomischen und ?iistologischen 



Ban der Brachiopoda testicardinia. Jenaische Zeitschr., xvi, 1883. 

 M. A. Schulgin. Argiope Kowalewskii. Ein Beitrag zur Kenntniss der Brachio- 



poden. Zeitschr. fur wissensch. Zoologie, XLI, 1884. 

 H. G. Beyer. A Study of the Structure of Lingula (Glottidia) pyramidata. 



Studies from the Biolog. Labor. Johns Hopkins University, ill, 1886. 



F. Blochmann. Untersucliungen, liber den Bau der Brachiopoden. Jena, 1892. 



