The examples shown in Plate LXV have many distinctive features. The markings of the body consist of alternating areas of scales and chevrons or of chevrons alone. These figures are interrupted in the upper part of the coil by a number of lines which cross the body at right angles. The body is in many cases nearly severed from the rim of the disk by four oblong perforations, which follow the border line of the design. In most cases three other perforations occur about the head; one represents the mouth, one defines the forehead and upper jaw, and the third is placed against the throat. These may be intended merely to define the form more clearly. The curious plume-like figures that occur upon the heads of both varieties may indicate the natural or reputed markings of the animal represented. It is possible that the group shown in this plate may be intended to represent the common yellow rattlesnake, the _Crotalus horridus_, of the Atlantic slope, the characteristic markings of which are alternating light and dark chevrons, while the diamond rattlesnake, the _Crotalus adamanteus_, of the Southern States may have served as a model for the other group. In Plate LXII I present two of these rattlesnake gorgets. The specimens shown in Fig. 1 is from Georgia and is the smallest example that has come to my notice. It is represented natural size. The design is quite obscure, but enough remains to show that it does not differ essentially from the type already presented. There appear to be no holes for suspension, but it is probable that two of the oblong perforations upon the border of the design had been used for that purpose. The handsome specimen given in Fig. 2 was obtained from the great mound at Sevierville, Tenn., and is in a very good state of preservation. It is a deep, somewhat oval plate, made from a _Busycon perversum_. The surface is nicely polished and the margins neatly beveled. The marginal zone is less than half an inch wide and contains at the upper edge two perforations, which have been considerably abraded by the cord of suspension. Four long curved slits or perforations almost sever the central design from the rim; the four narrow segments that remain are each ornamented with a single conical pit. The serpent is very neatly engraved and belongs to the chevroned variety. The eye is large and the neck is ornamented with a single rectangular intaglio figure. The mouth is more than usually well defined. The upper jaw is turned abruptly upward and is ornamented with lines peculiar to this variety of the designs. The body opposite the perforations for suspension is interrupted by a rather mysterious cross band, consisting of one broad and two narrow lines. As this is a feature common to many specimens it probably has some important office or significance. [Illustration: PL. LXII--RATTLESNAKE GORGETS. 1. Shell gorget from Georgia. (1/1) 2. McMahan Mound, Tenn. (1/1)]