82 THE PLAGIOSTOMIA. 



near the corner of the eye. Gill openings narrow, hindmost two above the 

 pectoral. Fins all small, pectoral short, broad. Origin of the first dorsal be- 

 hind the origins of the ventrals; origin of second dorsal farther back than that 

 of the anal. Anal short; subcaudal short. 



Southeastern Pacific and Australia to the Arabian Sea, India, and Japan. 



First dorsal and second about equal 



origin of first dorsal above the middle of the bases of the ventrals 

 anal base little longer than base of second dorsal 



transverse bands of darker spotted with black burgeri (page 83) 

 anal base one and one half times that of the dorsal 



transverse blotches or cross bands and faint spots of darker 



chilensis (page 83) 

 origin of first dorsal above hinder third of bases of ventrals 

 anal base one and one half times that of second dorsal 



transverse bands broad, with marblings and reticulations 



natalensis (page 84) 

 origin of first dorsal little in advance of hind ends of ventral bases 

 anal base little longer than either dorsal base 



transverse bands narrow, 20 or more, separated by light 



quagga (page 84) 

 First dorsal larger than second 



origin of first dorsal little forward of ends of ventral bases 



grey, dull, uniform hispidus (page 85) 



origin of first dorsal above hind ends of ventral bases 



brown with scattered small spots of darker . analis (page 85) 

 First dorsal smaller than second 



origin of first dorsal at ends of first two thirds of ventrals bases 

 brown with faint cross bands and spots of darker and lighter 



bivius (page 8G) 

 origin of first dorsal above middles of ventral bases 



blackish, uniform; scales simple . . . alcockii (page 87) 



greyish, caudal tipped with black other fins with white 



canescens (page 87) 

 First dorsal base little if any shorter than anal base 

 origin of first dorsal above hind edge of vent 



brown, dark, with scattered small spots of black labiosus (page 88) 



