. Allan Hancock Pacific expeditions. [Reports]. Scientific expeditions. NO. 5 A NEW BARNACLE FROM ECUADOR 229 Labrum: Fig. 1: B. There is a V-shaped notch in the middle of the labrum, with three teeth on one side, and two on the other. The outline of the labrum is about the same as that found in many species of Balanus, and the teeth are the same shape, and are arranged in the same way as those of B. amphitrite. Cirri: Fig. 1: D. Cirrus I has rami of 22 and 9 segments; the lower segments are protuberant. Cirrus II has 9 and 12 spines. Cirrus III has 13 and 11 segments; several of the lower seg
. Allan Hancock Pacific expeditions. [Reports]. Scientific expeditions. NO. 5 A NEW BARNACLE FROM ECUADOR 229 Labrum: Fig. 1: B. There is a V-shaped notch in the middle of the labrum, with three teeth on one side, and two on the other. The outline of the labrum is about the same as that found in many species of Balanus, and the teeth are the same shape, and are arranged in the same way as those of B. amphitrite. Cirri: Fig. 1: D. Cirrus I has rami of 22 and 9 segments; the lower segments are protuberant. Cirrus II has 9 and 12 spines. Cirrus III has 13 and 11 segments; several of the lower segments on the inner part are thickly set with short, conic, decurved teeth. On the outside of the posterior cirri there is one upward-pointing tooth on each of the lower segments. These teeth are near the tuft of fine spines at the upper angle. Cirrus VI has 28 and 28 segments. The median segments bear five pairs of spines. Penis: The penis is longer than the sixth cirrus, and there is a point on its dorsal base. Type: no. 80026. Type locality: Puna Island, 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 Allan Hancock Foundation. Los Angeles, University of Southern California Press
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