TABLE OF CONTENTS. 



Names of genera and species. 



Plate and figure. 



iNTIiODCCTION 



Tahle of Contkn 1 s 



List of the New Genera and Species with Etymolocies 



List of Plates 



Marsipobuanciiii. 

 Hvperotreta : 

 M.vxinidu' — 



Myxme, L. — 



M. glutiucsa, L 



australis, Jeny us 



Hyperoartia : 



Petromyzoutidiv — 



Petroinyzdu, Artedi — 



I*, niarinus, L 



liatliynivzoii. Gill — 



H. I5aiidii, Gill 



Elasmohranciiii. 

 Tectospondyi.i : 



Scyumi>rliinid:p — 



8cyniiiorhiiiu8, Cuv.— 



S. liebia, Bonn 



8omniosii8, Le S. — 



S. microcephahis, (Sclin. ) , 



rostratus, (Risso) 



EeliinorliinuH, Bl. — 



E. spinosus, Gm 



Etiuoptcrida' — 



Etmoptenis, Raf.— 



E. s|iinax, L 



piisillii8, (Lowe) 



granulosus, Gthr 



I'araccntioscylliuui, Ale. — 



P. oruatuiu, Ale 



Centroscvlliuiu, M. & H. — 



0. Fabiicii, (Rhdt.) 



grauulatum, Gthr 



Scymnodoii, B. & C. — 



S. ringcns, B. & C 



Centrophorus, M. & H. — 



C. uyatus, (Kat.) 



lusitanicus, B. & C 



crepidater, B. A C 



siiuaniosus, Ginel 



Dunierilii, (Johnson) 



oalceus, L^owe 



8(|Uamulosus. Gthr 



I'oliaceus, Gthr 



Centrosryuinus, B. & C. — 



C ca-lolepis, B. «fc C 



obscurus, V 



Oxynotns, Raf. — 



O. centriua, (L.) 



ASTEROSPONDYLI : 



Scylliorhinidu' — 



Scylliorhinua, Bl. — 



S. rctifer, Garman 



profnndornm, G. & B 



hispidus. Ale 



canesceus, Gthr 



Galeida'— 



Mustelus — 



M. liiiinulus, Bl 



Pseuddtriacis, Capello — 



I', niicrodon, Capello 



Pri.stiurus, Bon. — 



P. nicl.istiimu.s, (Raf.) 



atlanticus, V 



1,1 

 i,2 



111,8 



111,9 



V, 18 

 11,5 



11,7 



Page. 



IV, 12 

 111.11 



IV. 13 



V, 17 



III. 10 

 VI, I'd 



in 



IX 

 XXXI 



I* 



10 

 10 

 10 



.507 



11 

 11 



11 



12 

 12 

 13 

 13 

 13 

 14 



.508 



14,508 



ir> 



15 



lt>, 508 



17 



508 



,508 



18, .508 



20. .508 

 L'l 



