. Bulletin - United States National Museum. Science. 212 BULLETIN 93^ UNITED STATES NATIONAL MUSEUM. striate (somewhat T-sliaped in section), but not in the least clenticu- hite at the basal edge. There are many accessory short lamella? on the inner edge of the outer lamina of the wall. The basis is strong, white, poreless, wdth only very weak, obtuse traces of peripheral denticles. Greatest carinorostral diameter 67 mm.; lateral diameter 66 mm.; height 150 mm. (station 4253). Height 88 mm.; length of scutum 41 mm., breadth mm.; length of tergum 33 mm., breadth 13 h i A' /' ( J Fig.
. Bulletin - United States National Museum. Science. 212 BULLETIN 93^ UNITED STATES NATIONAL MUSEUM. striate (somewhat T-sliaped in section), but not in the least clenticu- hite at the basal edge. There are many accessory short lamella? on the inner edge of the outer lamina of the wall. The basis is strong, white, poreless, wdth only very weak, obtuse traces of peripheral denticles. Greatest carinorostral diameter 67 mm.; lateral diameter 66 mm.; height 150 mm. (station 4253). Height 88 mm.; length of scutum 41 mm., breadth mm.; length of tergum 33 mm., breadth 13 h i A' /' ( J Fig. 68.—Balanus evermanni. a, labkum. b, more magnified central part of same. C, mandible. d, maxilla. e, intermediate segment of CIERDS VI. /, SPINDLES OP THE area INDICATED ON FIG. C. The labrum (fig. 68a, h) has a wide, shallow notch, with several unequal teeth and numerous short hairs on each side. Mandible (fig. 68(?) has four acute teetii and a rounded lower point, Avhich is densely hairy. There is a small tooth between the third and fourth large teeth and another above the lower point. Maxilla (fig. 686?) has a nearly straight edge, very slightly notched below the upper pair of spines. It is set wdth many crowded spines, in pairs. Cirrus i has equal rami of about 16 segments. Cirrus ii longer, with rami of 26 and 24 segments. Cirrus iii has rami of about 32 segments, which have a few minute, multicuspid spinules distally. Cirrus iv has segments set with spike-like spinules as figured for B. hmnerl, but covering a larger portion of the segments, closely and. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original United States National Museum; Smithsonian Institution; United States. Dept. of the Interior. Washington : Smithsonian Institution Press, [etc. ]; for sale by the Supt. of Docs. , U. S. Govt Print. Off.
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