posterior ridge. Below and slightly in advance, a strong spine 

 directed laterally. Slight median ridge above nostrils. Supraocular 

 spine broad and directed laterally. Very small postorbital tubercle, 

 close behind eye. Shoulder-girdle with three moderately large 

 tubercles. Opercle with rather obsolete radiating striae. Body- 

 rings with edges as ridges, without spines, though at some junc- 

 tures slight tubercles. Ridges on tail-rings more or less obsolete. 



Fins moderate, rays simple. Dorsal base moderate, on 2 body 

 and 2 caudal rings. Anal long as eye. Pectoral base broad, fin 

 little longer than eye. Vent close before anal. 



Color in alcohol dull brown. Body marked with numerous small 

 round obscure spots of dull brown. Also many pale or whitish dots 

 sprinkled about irregularly, often as short lines or specks. Dorsal 

 and pectoral, pale, uniform or unmarked. 



Length, from tip of coronet to tip of extended tail, 145 mm. 



Type, No. 24,198, A. N. S. P. Bahia, Ecuador. September, 

 1884. Dr. W. H. Jones. 



Differs from H. ingens Girard in more dorsal rays, larger eye, blunt 

 body and tail rings, and the absence of dermal flaps. 



(Named for Ecuador.) 



(448) 



