SUMMARY OF CONTENTS. 



VII. SPONGOZOA.* 



i 35. Order. Calcarea. 



36 249. British Silicea and Keratosa, Bowerbank's nomenclature. 

 250 253. British Silicea, described by Hanitsch. 

 254 264. Type mounting's of Clionae, described by and received from Albany 



Hancock. 



265 284. "Porcupine" Sponges of 1869, portions of types. 

 285 298. Norwegian Sponges, collected by A. M. N., the Tetractinellida 



described by Prof. Sollas. 

 299 317. Portions of type Sponges, procured by Dutch Arctic Expedition, and 



described by Dr. Vosmaer. 

 318 344. Sections of type Sponges, described by Dr. G. Armauer Hansen, from 



the Norwegian North Atlantic Expedition. 

 345 355. Sections of type Sponges, described byHerr Konrad Fristedt, from the 



coast of Sweden. 

 356 383. Sections of type Sponges, described by Herr Konrad Fristedt, from 



the " Vega " and other Swedish expeditions. 



384 386. Portions of type Arctic Sponges, described by Dr. von Marenzeller. 

 387 397. Portions of type Arctic Sponges, from the Copenhagen Museum, 



described by Prof. O. Schmidt and Herr G. M. R. Levinsen. 

 398 463. Mediterranean Sponges, from various sources, but for the most part 



types of Prof. O. Schmidt's species, received from that author. 

 464 468. Types of Professor Verrill's Sponges, from the coast of the United 



States, received from Prof. Verrill, and from U.S. National Museum. 



VIII. RHIZOPODA. 



i 88. Freshwater species (Lobosaand Reticularia), received from M. Penard. 

 89 536. Marine species (Reticularia or Foraminifera). 



* This word has been employed in a somewhat different sense ; but I use it as an appropriate name 

 for a section of the Coelenterata, which embraces as other sections the Actinozoa and Hydrozoa. 



