VERTEBRATA (CHORDATA). 87 



ORDER II. MARSIPOBRANCHII (CYCLOSTOMATA). 



Fam. a. Myxinidae. Myxine (Hag-fish). 



Fam. Z. Petromyzonidae. Petromyzon (Lamprey). 



(J. Miiller, Vergleichende Anatomie der Myxinoiden, Abhandl. der Ber- 

 lin Akad., 1835-1845.) 



OEDER III. TELEOSTEI (Bony Fishes). 

 Sub-ord. 1. Malacopteri (Physostomi). 

 Section A. Apoda. 



Families : Muraenidse, Symbranchidae, Gymnotidae. 

 Murcena (Eel), Symbranchus, Gymnotus (Elec- 

 tric-eel). 



Section B. Abdominalia. 



Families : Clupeidae, Esocidae, Cypiinidae, Salmon- 

 idae, Siluridaa. Clupea (Herring), Esox (Pike), 

 Cyprinus (Carp), Salmo (Sakaon), Silurus (Sheat- 

 fish). 



Sub-ord. 2. Anacanthini 

 Section A. Gadoidei. 



Families : Gadidae, Ophidiidae, Macruridae. Gadus 

 (Cod), Ammodytes (Sand-eel), Bathygadus. 



Section B. Pleuronectoidea. 



Fam. Pleuronectidae (Flat-fishes). PJ^/f^^t^o 

 (Plaice), Ehonibus (Turbot), Solea (Sole). 



Sub-ord. 3. Acanthopteri. 

 Section A. Pharyngognathi. 



Families : Pomacentridae, Labridae, Chromidae. Po- 

 macentrus, Labrus (Wrasse), Chromis. 



Section B. Acanthopteri veri. 



Families : Percidae, Mugilidae, Scomberidae, Sclero- 

 genidae, Gobiidae, Blenniidae, Lophiidae. Perca 

 (Perch), Mugil (Mullet), Scomber (Mackerel), Cot- 

 tus (Bull-head), Gobius (Goby), Anarrhicas (Wolf- 

 fish), LopMus (Angler). 



