APODAL FISHES OF AMERICA AND EUROPE. 
6 25 
aa. Teetli of upper jaw in two or three series. 
d. Mandibular teeth uniserial or nearly so; vomerine teeth in one series or 
slightly biserial in front. 
e. Coloration uniform or nearly so. ( Cryptopterus Kaup.) 
/. [Mandibular teeth all uniserial; end of dorsal and anal hidden in a 
groove ; insertion of dorsal 4 f times diameter of 
eye behind base of pectoral ; tail f longer than 
head and trunk; head 2f in trunk; snout 54 in 
head ; eye rather large, equidistant from tip of 
snout and angle of mouth; gill-openings close 
together, the isthmus less broad than one of them. 
Color slaty-blue.] ( Peters ) Ater, 62. 
ff. [Mandibular teeth not quite uniserial, some in front forming a second 
series; dorsal and anal fins disappearing for some 
distance before their termination near the end of 
the tail ; pectoral fin well developed ; dorsal fin 
commencing at a short distance behind the end of 
• the pectoral ; tail | of total length ; eye of moder- 
ate size ; cleft of mouth of moderate width . Color- 
ation uniform.] {Kaup per Gunther.) 
Puncticeps, G3. 
ee. Coloration not uniform ; anterior teeth slightly enlarged ; eye rather 
large, nearly median {Ophichthus ) . 
g. Sides of body with one or more series of large, round, black spots ; 
brown ; head with numerous small dark spots aud 
longitudinal folds; a series of large, round, dark 
spots along the side, the interspaces as wide as the 
spots ; another series of alternate smaller spots 
along the back, and another along the sides of 
abdomen ; fins yellowish, dorsal with a series of 
brown spots along the edge* eye large, looking 
upwards, If in snout; teeth moderate, those in 
front of upper jaw somewhat canine-like ; pectoral 
fin well developed, its extremity nearly opposite 
to the origin of the dorsal fin ; tail longer than 
rest of body Havannensis, 64. 
gg. [Sides of body with round whitish spots between darker areas; color 
light olivaceous with about 20 oblong dark blotches 
along the median line of body and tail, the inter- 
spaces between these each a round pale spot 
about as large as eye. Dorsal inserted If length 
of pectorals .behind the tips of pectorals ; pectorals 
2f in the distance from the snout to their base; 
eye If in snout, equal to iuterorbital space ; cleft 
of mouth 3 in head ; head 9 in length ; gill-opening 
5 in head ; maxillary biserial ; mandibular teeth 
uniserial: vomer with about 15 teeth.] ( Eigen - 
mann . ) Retropinnis, 65. 
dd. Mandibular teeth in two to four series. 
h. Vomerine teeth in one row ; anterior teeth of jaws or vomer some- 
times a little enlarged. 
i. Teeth in both jaws biserial ; the teeth of the inner series sometimes 
small and turned inward. ( Murcenopsis Kaup). 
j. Sides of body without conspicuous dark spots or blotches ; the 
spots when present mostly whitish. 
H. Mis. 274 40 
