ANGLER FISHES GILL. 



583 



and the mouth would become vertical or retrocline. In other words, 

 so connected that thej would be pushed outward as well as forward 



Fig. 21. — A Mclanocetine (Mclanocetus krechi). After Braiiei". 



without any great modification of the individual bones or parts, the 



Vie. 22. — A Melanocetine (Liocetus murraiji). Aftor Giinther. 



remarkable differences in form between the Himantolophine and 

 -3^]ga?onichthyine would be produced. 



88292— SM 190S 38 



