Catulus spsngiceps Gilbert 
Head 3 1/4 tj|prigin of lower caudal lobe; depth 3 3/4; abdominal 
' -'W', 
’ 
cavity .little over ||4 entire length measured from under chin. 
. Body compressed!! rather deep. Head depressed, width 1 3/4 its length. 
n 
Snout very pliable, flabby, depressed. Eye small, median in profile. Mouth 
•ml,, 
width 1/2 of head length and both labial folds long as eye. ieeth in 36 
m 
rows in each jaw, ^j,eh tooth with 3 in 5 cusps* Nostrils large, little 
longer than eye, inj|ernasal space 1/2 of mouth width# Interoroital oroadly 
convex* 3-ill-opening 
.Ifa^^fehan, 
behind eye. 
% 
Shin densely covered with small, simpijls cusps, mostly finely roughened 
m 
to touch; fin edges and with areas of depression behind naked* P±rs^ dorsal 
mffl 
• ESffie 
■m 
inserted largely over ventral bases. Second! dorsal larger than first, 
- St ‘ 
inserted over middle of anal and ending sljjfghtly behind end of anal, n °u 
"terminating slightly in advance of its e^." as Gilbert states. Caudal witn 
. 
Mi 
notch near end and subcaudal equal with a||al« Pectoral base half length of 
fin. Ventral broad, much smaller than anat. 
40 ^ 
m 1 
Color in alcohol dull gray brown, with traces of.-.eepia br ’ r '™ n win.c 
across thorax, on gills, fin edges and fin depressions. Length 48j mm* 
Known only from the type. No. S1590 U. S. National Museum. 
