HANDBOOK 



ERTEBRATE ZOOLOGY, 



FOR LABORATORIES AND SEASIDE STUDY, 



b-y "w. :k- brooks, 



Associate Professor of Zoology and Comparative Anatomy, and 



Director of the 3Iarine Laboratory 01 The Johns Hopkins 



Uniyersity : formerly Assistant in the Boston Society 



of Natural History. 



The book contains directions for studying the general anatomy, the micro- 

 scopic structure, and the development of selected types of animal life: and it 

 also describes the method of collecting and preserving the fcims which are de- 

 scribed. The following are some ot the subjects treated : 



The structure of Yorticellae, 



The reproduction of Vorticellse, 

 The structure of a Sponge, 



The structure and growth of a Campanularian Hvdroid, 



The structure and development of a Hydro-Medusa, 

 The general anatomy of a Starfish, 



The microscopic anatomy of a Starfish. 



The general anatomy of a Sea Urchin, 

 The embrvology and metamorphosis of the Sea Urchin and Starfish, 

 The general anatomy of the Earthworm, 



The microscopic structure of the Earthworm, 

 The anatomy of the Leech, 



The anatomy of a Crab. 



The metamorphosis of a Crab, 



The structure and development of Cyclops, 

 T.ie anatomy of a Grasshopper, 



The general anatomy of Unio, 



The microscopic anatomy of Unio, 



The embryology and metamorphosis of Unio, 



The anatomy and embryology of the Squid. 



Illustrated by nearly two hundred cuts from the author's draw- 

 ings, or from drawings made from nature under his direction. 



S. E. CASSINO & CO., Publishers, 



41 Arch Street, Boston, Mass. 



