364 



MEMOIRS OF THE CARNEGIE MUSEUM. 



lary barbel 2-2.5 in the length of the head; lower barbel minute; about ten inter- 

 opercular thorns, fifteen or more on the opercle; broad, free, fleshy lobes behind the 

 opercular and pre-opercular spines; gill-openings about half as wide as the mouth; 



Fig. 33. VandeUia hasemani Eigenmann. Type, No. 7543a, Cam. Mus., 72 mm. 



eye entirely in the anterior half of the head; the posterior nares nearly as large as 

 the eyes and between the anterior halves of the latter, anterior nares with a short 

 flap; pectorals about equal to the length of the head; origin of ventrals equidistant 



Fig. 34. VandeUia hasemani Eigenmann. .1, skull from above; B, hyomandibular and opercular 

 apparatus; C, end of ethmoid and premaxillary teeth from in front, 1, premaxillary; 2, ethmoid; 5, frontal; 

 (i, sphenotic; 7, pterotic; S, supraoccipital; 9, epiotic; 10, supraclavicle; 11, parapophysis of coalesce]) 

 vertebrae; 12, maxillary; 13, palatine; 14, metapterygoid; 15, quadrate; 16, preopercle; 17, interopercle; 

 18, opercle; 19, hyomandibular. 



from tip of caudal and eye or opercle, reaching a little beyond the anus; origin of 

 anal under middle of dorsal; distance between anal and base of middle caudal rays 

 4.5-5.25 in the length; caudal forked for about two-ninths of its length; origin of 



