Synstyela, Giard. 



125 variegata, Alder. 



Pyrosoma, Peron. 



126 elegans, Lesson. 



12 7 giganteum, Lesson. 



Doliolum, Quoy and Gaimard. 



128 tritonis, Herdman. 



129 denticulatum, Quoy and Gaim. 



Cyclosalpa, Blainville. 



130 pinnata, Forskal. 



Salpa, Forskal. 



131 punctata, Forskal. 



132 scutigera confoederata, Cuv. 



Forsk. 



133 runcinata fusiformis, Cham. Cuv. 



134 africana maxima, Forskal. 

 Thalia, Blumenbach. 



135 democratica mucronata, Forskal. 

 lasis, Savigny. 



136 costata Tilesii, Q. and G. Cuv. 

 Oikopleura (Martens), Fol. 



137 dioica, Fol. 



X. GEPHYREA; STERNA8PIS AND PHORONIS. 



Sternaspis, Otto. 



1 scutata, Renier. 



2 fossor, Stimpson. 



16 



Bonellia, Rolando. 



viridis, Rolando. 



fuliginosa, Rolando. 

 Echiurus, Cuvier. 



vulgaris, Savigny. 

 Thalassema, Gaertner. 



neptuni, Gaertner. 

 Halicryptus, Siebold. 



spinulosus, Siebold. 

 Priapulus, Lamarck. 



caudatus, Lamarck. 

 Sipunculus, Linne. 



nudus, Linne. 



tessellatus, Rafinesque. 

 Aspidosiphon, Diesing. 



radiatus, Alder. = A. mirabilis, Theel. 



scutatus, J. Miiller. 

 Tylosoma, Koren and Danielssen. 



Liitkeni, Kor. and Dan. 

 Onchnesoma, Koren and Danielssen. 



Steenstrupii, Kor. and Dan. 



Sarsii, Kor. and Dan. 



glaciale, Dan. and Cor. 



18 

 '9 



20 



21 

 22 



23 



24 



25 

 26 



2? 



28 

 29 



30 



Pelalostoma, Keferstein. 



minutum, Kef. 

 Phascolosoma. 



vulgare, Blainville. 



tenuicinctum, McCoy. = P. elongatum, 

 Kef. 



margaritaceum, M. Sars. 



procerum, Mobius. 



eremita, M. Sars. 



Lilljeborgii, Dan. and Kor. 



squamatum, Kor. and Dan. 

 Phymosoma, Quatrefages. 



tigrinum, Risso. =Phas. granulatum, 

 Leuck. 



papillosum, W. Thompson. 

 Stephanosoma, Danielssen and Koren. 



Hanseni, Dan. and Kor. 

 Phascolion. 



strombi, Montagu. 



var. tuberculosum, Theel. 

 Epithetosoma, Danielssen and Koren. 



norvegicum, Dan. and Kor. 



Phoronis, Strethill Wright. 



31 hippocrepis, S. Wright. 



32 Kowalevskii, Caldvvell. 



