REFERENCES. 



INTRODUCTION. 



1 CARUS, J. VICTOR. Geschichte der Zoologie. Munchen, 1872. 



2 DOHRN, ANTON. Der Ursprung der IVirbelthiere tend das Prin- 

 cip des Functionsivechsels. Leipzig, 1875. 



3 HAECK.EL, ERNST. Anthropogenic oder Entiuickelungsgeschichte 

 des Menschen. Leipzig, 1874; 4th Edit., 1891. 



4 LANKESTER, E. RAY. Article " Verfebrata." Encycl. Brit., 

 9th Edit. Republished in "Zoological Articles," London, 1891. 



5 PERKIER, EDMOND. La Philosophie Zoologique avant Darwin, 

 2d Edit. Paris, 1886. 



6 SEMPER, CARL. Die Verivandtschaftsbeziehungen der geglieder- 

 ten Thiere. Parts I. to III. Wlirzburg, 1875-76. 



I. AND II. 

 ANATOMY OF AMPHIOXUS.* 



7 ANDREWS, E. A. The Bahama Amphioxns (preliminary ac- 

 count). Johns Hopkins University Circulars, Vol. XII. p. 104. 

 June, 1893. 



8 ANDREWS, E. A. An Undescribed Acraniate: Asymmetron 

 lucayanum. Studies from the Biol. Lab. Johns Hopkins Uni- 

 versity, Vol. V. No. 4. 1893. pp. 213-247. Plates XIII.- 

 XIV. 



Contains bibliography of systematic and faunistic works on 

 Amphioxus. 



9 ANTIPA. GR. Ueber die Beziehungen der Thymus zu den soge- 

 nanntcn Kiemenspaltenorganen bei Selachiern. Anat. Anz. 

 VII. 1892. pp. 690-692. One figure in text. 



* This bibliography does not by any means include all that has been written 

 on the anatomy of Amphioxus. Some of the older and shorter works, as well 

 as some of those relating to special points of histological detail, have been omitted, 

 as they are fully dealt with in many of the memoirs here cited. 



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