412 Dr. Bancroft on Jamaican Fishes, &c. 
Ech, Naucrates, while in our Species they are 
as stated below. 
1. Body green; beneath the lateral 1. Body without the slightest 
line white. tinge of green, but of a full 
black on the upper and more 
anterior portion of the back, 
andof adark grey over the 
rest of the body, with a 
lighter grey stripe from near 
the eye to near the vent. 
2. All the fins except the caudal 2, All the fins of a dark grey 
yellow, and edged with violet. passing into a black at the 
anterior and outer portions. 
3. Lateral line white. 3. Lateral line consisting of very 
small black points. 
4, Iris golden yellow. 4, Iris a pure white. 
5. Tail fin entire. Shaw adds 5. Tail fin forked. 
that it is ovate. 
6. Skin naked. 6. Skin scaly. 
7. 24 bars on the disk. 7. 22 to 25 bars on the disk. 
8. In the figures of Shaw and _ 8. Pectoral fins very acute at the 
Bloch the pectoral fins are tip. 
rounded at the tip. 
I had at first included in the above enumeration a difference as to the 
dorsal fin, which is always described as being single in Ech. Naucrates, 
and which J found double in the first two or three individuals of our 
Echeneis thatI saw: but in the last specimen I met with, the larger one 
now sent, it was likewise single; nor have I seen fishes enough to 
authorise me to say whether the fin be generally single or double. 
I have just stated the skin in our species to be scaly, and I beg to call 
Mr. Bennett’s attention to a peculiarity in the scales that I have never 
noticed before, either in authours or in nature. The scales appear to be 
of two sorts; one of them is larger, rhomboid, reticulatély disposed, and 
dark coloured, forming as it were the ground scales; the other much 
