iy6 SoutJicr)i Cross. 



by me, including Bailiydraco, has pseudolmincliiae. The ventral fins 

 an» never elose together, as in tlie Trachinidar and Urunoscopiilae. 



I. (Jill-iiieinl>rftnes free or narrowly attached to the isthmus. 



A. iKirsal forinod of two portions, whicli may be uniteil at tlie hase. 



1. Two lateral lines, the lower of which may be confined to the caudal 



rejnon ; palate toothless. 



a. Hody covered with ctenoid scales; teeth in several series; snout 



not s])atulatc. 

 a. Anterior dorsal formed of slender, flexible rays. 



Scajiular foramen in scaimlar Iwne Trematomus, or. n. 



Scapular foramen Itetween scapula and coracoid Notothenia, Rich. 



/3. Anterior dorsal formed ((f short, pun- 

 gent spines Macronotothen, Gill.* 



b. Body covered with very small cycloid 



scales ; teeth in a single series ; snout 



not spatulate Dissostichus, Sraitt.* 



c. Body naked ; snout spatulate. 



Lateral line with granulated plates Chaenichthys, Wich. 



Lateral line without plates Champsocephalus, Gill. 



2. Three lateral lines; body naked; snout spatu- 



late ; palate toothless Cryodraco, 'DoWo* 



3. A single lateral line. 



a. Body scaly. 



Teeth on vomer and palatines ; head armed Gentropercis, Ogilby .* 



Teeth on vomer and palatines; opercle with a flat spine... Pseudaphritis, Casteln. 



Teeth on vomer only; a praeorbital spine Acanthaphrifis, Gthr. 



Palate toothless Eleginops, Gill. 



b. Body naked; habit cottoid; 0{>ercle 



strongly armed Bovichthys, C. »Sr V. 



B. A single dorsal ; snout long and flattened ; palate toothless. 



L Two lateral lines. 



a. Body naked ; opercle armed. 



Lateral lines without bony plates Gymnodraco, g. n. 



Lateral lines with bony jjiates Parachaenichthys, g. n.* ' 



b. Body covered with extremely small 



scales; no opercular spines (?ej'Za<;7«a, DoUo.* 



2. Lateral line single; body covered with ex- 

 tremely small scales. 



No opercular spines Bathydraco, Gthr. 



Opercular spines Bacovifzaia, Dollo.* '^ 



11. Gill-membranes broadly united to the isthmus; habit 



cottoid ; body naked ; head anned ; palate toothless Harpagifer, Rich. 



The genua Pagetodus, Rich., rests on an insufficient description and figure. 



' Based on (Jluienichlhya georgiauus, Fischer, from South Georgia Island. 

 ■^ The distinctive characters of these genera have unfortunately been inverted in 

 the synopaiB given in Ann. and Mag. N. H. (7) viii. 1901, p. 266. 



