112 Mr. C. T. Regan on the 



Gobioidea, and Blennioidea, and have given some account 

 of the Anabantoidea and Stromateoidea, whilst Starks has 

 described the osteology of the Mugiloidea. 



The present paper deals mainly with the Percoidea, the 

 most generalized suborder, defined by the absence of the 

 special peculiarities which characterize the other suborders 

 of the Percomorphi. 



The limits and contents of the Percoidea are indicated iu 

 the following scheme : — 



Suborder Percoidea. 



1. Perciformes : Serranidae, Pseudoplesiopidae, Plesiopidae, 



Kuhliidae, Centrarcliidae, Priacanthidae, Chilodipte- 

 ridae, Percidae, Sillaginidse, Latilidae, Lactariidae, 

 Bathyclupeidae, Labracoglossidse, Pomatomidae, Rha- 

 chicentridac, Carangidse, Menidae, Bramidae, Cory- 

 plnenidae, Ceutroponiidae, Arripididae, Erythrich- 

 thyidae, Lutianid;i', Nemiptcridae, Lobotidae, Liogna- 

 thidae, Pomadasidie, Seiaenidae, Mullidae, Lethrinidae, 

 Sparidae, Maenidae, Monodactylidae, Pempheridae, 

 Toxotidae, Scorpididae, Cyphosidae, Girellidae, Ephip- 

 pid&j Drepanidae, Chaetodontidae, Scatophagidae, 

 Enoplosida3, Histiopteridae, Pristolepidae, Nandidae, 

 Cichlidae, Hoplegnathidae, Cepolidae. 



2. Cirrhiiiformes \ Cirrhitidae, Chironemidae, Haplodacty- 



lidae, Chilodactylidae, Latrididae. 



3. Pomacentriformes : Pomacentridae. 



4. Lahrifurmes : Labridae, Odacida?, Scaridae. 



5. Emiiotociformes : Embiotocidae. 



6. Gadopsiformes : Gadopsidae. 



7. Trichodontiformes : Trichodontidae. 



8. Ammodytiformes : Ammodytidae. 



9. Champsodontiformes : Champsodontidae. 



10. Trachiniformes : Opisthognathidae, Bathymasteridae, 



Pinguipedidse, Chimarrhichthyidae, Trachinidae, Perco- 

 phiidae, Bembropsidae, Hemerocoetidae, Trichonotidae, 

 Creediidae, Limnichthyida?., Leptoscopidae, Urano- 

 scopidae. 



11. Nototheniiformes: Bovichthyidae, Nototheniidae, Bathy- 



draconidae, Chaenichthyidae. 



12. Callionymiformes : Callionymidae, Draconettidae. 



