74 REPORT OF NEW JERSEY STATE MUSEUM. 
rough at tip and furnished with very small points. Eye small, 
not prominent. Mouth transverse, rectilinear, armed with small 
flat pentagonal teeth, a little separated in each jaw. Nostrils 
small and canal communicating with mouth covered by a large 
rounded appendice with fringed margin. Branchial apertures 5 
on each side, subequal, subequidistant, and placed upon an oblique 
line. Spiracles large, very near and behind eyes. Body above 
glabrous, excepting on anterior pectoral margins, between eyes, 
and on extremity of rostrum, which are rough to touch. ‘Tail 
very robust, margined with a slight membrane on each side, sub- 
depressed, armed laterally with points, terminated by 3 rounded 
fins, of which third is very small near tip of tail and others sub- 
equal and larger. Pectoral large, triangular, terminating ob- 
tusely on sides, narrow and rounded behind. Ventral emarginate, 
wide before, narrow behind. Vent posterior to origin of ventral. 
Color with scattered reddish-brown spots of various sizes and 
forms, and,a transversely oblong subocellated spot each side of 
middle. Below whitish, lightly tinted with rosaceous, and sur- 
face smooth. ‘Towards anterior part of each side of vent 6 
small black lines or spots. Ventral radii very distinct below. 
Iris yellow. Length to base of tail 2 feet, width 2% feet, and 
tail as long as space intervening between eyes and its base. From 
a dried specimen in the Philadelphia Museum. 
The male has teeth discoidal at base, surmounted by a short 
point directed towards throat, and less abraded than those of 
female in which they are more flattened and pentagonal. Ros- 
trum furnished above with points extending nearly to extremity 
of fin, long, strong, inflected towards middle of back, quincunx, 
and of 4 approximate rows. Orbits with small points before and 
behind, rendering these parts rough to touch, but not so distinct 
as those opposite eyes, otherwise skin is smooth. ‘Tail depressed, 
wide at base, armed on each side with row of spines and with 
membrane beneath spines. Reddish above, beneath whitish, 
sprinkled as above with small blackish spots. Size in agreement 
with female. (Le Sueur. ) 
This species occurs at times along various points of the 
southern shore but in my experience is less abundant than the 
former. It has been noted at Sea Isle City, Atlantic City, Stone 
