TABLE OF CONTENTS. 



Names of geuera and species. 



Introduction 



Table of Contents 



List op thk Kew Genera and Si'ecies with ETYMOi.oiii 



List op Plates , 



Marsipobranchii. 



HyPEKOTKETA : 



Mysinidie — 



Myxine, L. — 



M. glutiuosa, L 



australis, Jenyus 



Hyperoartia : 



Petromyzontidoe — 



Petromyzon, Artedi — 



P. raarinus, L 



Bathymyzon, Gill — 



B. Bairdii, Gill 



Elasmobranchii. 



Tectosponbyli : 



SoymnorhinidfB — 



Scymnorliinus, Cnv. — 



S. lichia, Bonn , 



Somniosns, Le S. — 



S. microcephalns, (Schn.) 



rostratus, (Kisso) 



Echinorhiniis, Bl. — 



E. spinosus, Gm 



Etmoptoridse — 



Etuioptenis, Eaf. — 



E. spinax, L , 



pusillns, (Lowe) 



granulosus, Gtbr 



Paracentioscylliura, Ale. — 



P. ornatura, Ale 



Centroscvlliniii, M. & H. — 



C. P'abiifii, (Rhdt.) 



grannlatuni, Gthr 



Scyranodon, B. & C. — 



' S. ringens, B. & C 



Ceutropliorus, M. & H. — 



C. uyatus, (Raf.) 



lusitanicus, B. & C 



crepidater, B.tfeC 



equamosus, Gnicl 



Dumerilii, (JobiiFon) 



caleeus, Lowe 



squamulosMs, Gthr 



foliaeeus, Gthv 



Centroscyninns, B. & C. — 



C. cixdolepis, B.&C 



obscurns, V 



Oxynotus, Raf. — 



O. centrina, (L.) .. 



ASTERO.Sl'ONDYLI : 

 ScylliorbinidsB — 



Scylliorhinus, Bl. — 



S. reti fer, Garman 



pi'oiundorum, G. & B 



hispidus, Ale 



canescens, Gthr 



Galeidae — 



Mustclus — 



M. hinnnlus, Bl 



Pseudotriacis, Capello^ 



r. microdon, Capello 



Pristinrus, Bon. — 



P. melastoinus, (Raf.) 



atlauticus, V 



Plate and figure. 



Page. 



1,1 

 1,2 



111,8 



111,9 



V, 18 

 11,5 



11,7 



IV, 12 

 III, 11 



IV, 13 



VI, 21 



IV, 14, 15 



V, 16 



V, 17 



III, 10 

 VI, 20 



III 



IX 



XXXI 



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 11 



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 15 



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17 



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18, 508 



20, 508 

 21 



III 



