290 NEW ETHEOSTOMA — GILBERT. 



very obliquely backwards and appears much shorter than the last spine, 

 its membrane joining last spine at base only. Base of spinous dorsal 

 as long as head in front of preopercular margin, its highest ray half 

 head. Anal fin very small, the spines large and strong; first spine 

 much longer and stronger than the second, 3^ in head, equaling length 

 of snout and half eye. Highest soft ray of anal equals length of snout 

 and eye. Pectorals and veitrals both very small; the pectoral short, 

 broad, and rounded, reaching the same vertical as ventrals, 1^ in head, 

 and having but 11 rays. Vpntrals li in head. 



Sides of head, breast, and nape wholly naked. Body with rather 

 large ctenoid scales, uniformly covering belly. Lateral line straight, ■ 

 incomplete, reaching to below middle of soft dorsal. 



A single specimen. If inches long; collected by Mr. E. Wilkinson, at 

 Chihuahua, Mexico. 



