IO 



VII. Portions of or mountings of 



Type Sponges, described by Dr. Vosmaer, 

 from the Dutch Arctic Expeditions of 1878, 1879, 

 1880, and 1881, in the "Willem Barents." 1 



Stelletta, O. Schmidt. 



299 fortis, Vosm. 

 Isops, Sollas. 



300 sphaeroides, Vosm. 

 Synops, Vosmaer. 



301 pyriformis, Vosm. 

 Tetilla, F. E. Schulze. 



302 polyura, O. Schmidt. 

 Polymastia, Bowerbank. 



303 capitata, Vosm. 

 Weberella, Vosmaer. 



304 bursa, Vosm. 

 Tedania, Gray. 



305 suctoria, O. Schmidt. 

 Pachychalina, Vosmaer. 



306 caulifera, Vosm. 

 Cribrochalina, O. Schmidt. 



307 variabilis, Vosm. 



308 var. salping-oides, Vosm. 



309 Sluiteri, Vosm. 

 Phakellia, Bowerbank. 



310 Bowerbanki, Vosm. 



311 arctica, Vosm. 

 Artemisina, Vosmaer. 



312 suberitoides, Vosm. 

 Forcepina, Vosmaer. 



(144) bulbosa, Carter. 

 Myxilla, O. Schmidt. 



313 Barentsi, Vosm. 

 Hamacantha, Gray. 



314 papillata, Vosm. 

 Gellius, Gray. 



315 vag-abundus, O. Sch. 



316 arcofer, Vosm. 



317 infundibuliformis, Vosm. 



VIII. Sections of Type Sponges, 



described from the Norwegian North Atlantic 

 Expedition, 1876-8, received from Dr. G. Armauer 

 Hansen. 2 



1 Vosmaer, " Die Zool. Ergebnisse der zwei in den Jahren 

 1878 und 1879 ausgefiihrten Fahrten des Schoners ' Willem 

 Barents' " (Niederlandishes Archiv fur Zool. 1881-2), and the 

 " Sponges of the ' Willem Barents ' Expedition of 1880 and 

 1881," 1885. 



2 G. Armauer Hansen, " Norwegian North Atlantic Expedi- 

 tion, 1876-1878. Spongiadae." Christiania, 1885. 



Stylocordyle, Loven. 



318 borealis, Lov^n. 

 Reniera, O. Schmidt 



319 simplex, Hans. 



320 oblonga, Hans. 



321 velamentosa, Hans. 



322 tubulosa, Hans. 



323 membranacea, Hans. 



324 nivea, Hans. 



325 pallescens, Hans. 

 (309) infundibuliformis, Hans. 



326 complicata, Hans. 



327 inflata, Hans. 

 Radiella, O. Schmidt. 



(292) sol, O. Sch. 



Rinalda, O. Schmidt. 



328 uberrima, O. Sch. 

 Thecophora, O. Schmidt. 



(283) semisuburites, O. Sch. 



Polymastia, Bowerbank. 

 (43) penicillus, Mont. 



Suberites, Nardo. 



329 incrustans, Hans. 



330 radians, Hans. 



331 g-labra, Hans. 

 Myxilla, O. Schmidt. 



332 exigua, Hans. 



333 grisea, Hans. 



334 brunnea, Hans. 

 Sclerilla, O. Schmidt. 



335 arctica, Hans. 



336 dura, Hans. 

 Desmacidon, Bowerbank. 



337 clavatum, Hans. 



338 nucleus, Hans. 



339 g-ig-anteum, Hans. 



340 arcticum, Hans. 

 Esperia, Nardo. 



341 bihamatifera, Carter. 

 Cladorhiza, M. Sars. 



(297) abyssicola, M. Sars. 

 Geodia, Lamarck. 



342 parva, Hans. 

 Tethya, Lamarck. 



(46) cranium, Mull. 



343 var. infrequens, Cart. 

 Thenea, Gray. 



(269) muricata, Bow. 

 Hyalonema, Gray. 



344 arcticum, Hans. 



