VI TABLE OF CONTENTS. 



PAGES 



Chapter VII. The Type Platthblminthes 137-171 



The Class Turbellaria, pp. 130-143. The Class Trematoda, pp. 

 143-153. The Class Cestoda, pp. 152-161. The Class 

 Nemertina, pp. 163-169. Synoptical Classification, pp. 

 169, 170. Literature, pp. 170, 171. 



Chapter VIII. The Ttpb Nbmathelminthes 173-183 



The Class Kemaloda, pp. 173-179. The Class Acanthocephala, 

 pp. 179-183. Synoptical Chissification, pp. 183, 183. Lit- 

 erature, p. 183. 



Chapter IX. The Order Echinodera; the Class 

 Ch^tognatha; the Class Eotifera; the 



Order Gastrotricha ; akd Dinophilus 184r-201 



The Order Echinodera, pp. 184r-186. The Class Chsetognatha, 

 pp. 186-189. The Class Eotifera, pp. 189-195. The Order 

 Gastrotricha, pp. 195-198. The Genus Dinophilus, pp. 

 198-200. Synoptical Classification, p. 300. Literature, p. 

 201. 



Chapter X. The Type Annelida 203-353 



The Class Chsetopoda, pp. 204-227. The Class Hirudinea, pp. 

 228-337. The Class Gephyrea, pp. 337-243. The Class 

 Myzostomeoe, pp. 344-246. The Class Phoronidse, pp. 347- 

 251. Synoptical Classification, pp. 251, 253. Literature, 

 pp. 253, 253. 



Chapter XI. The Type Brosopygia 354-375 



The Class Polyzoa, pp. 255-268. The Class Brachiopoda, pp. 

 268-274. Synoptical Classification, p. 274. Literature, p. 



375. 



Chapter XII. The Type Mollusca 376-367 



The General Characteristics of the Type, pp. 376-384. The 

 Class Amphineura, pp. 284-293. The Class Gasteropoda, 

 pp. 293-322. The Class Scaphopoda, pp. 322-336. The 

 Class Pelecypoda, pp. 336-340. The Class Cephalopoda, 

 pp. 840-363. The AlHnities of the Mollusca, pp. 362, 363. 

 Synoptical Classification, pp. 363-365. Literature, pp. 

 365-367. 



Chapter XIII. The Type Crustacea 368-434 



The General Characteristics of the Type, pp. 868-385. The 

 Class Entomostraca, pp. 385-403. The Class Malacostraca, 

 pp. 403-417. The Development and Affinities of the Crus- 

 tacea, pp. 417-423. Synoptical Classification, pp. 423,424. 

 Literature, pp. 424-427. The Order Xiphosura, pp. 437- 

 434. Literature, p. 434. 



