HAWAIIAN CIRRIPEDIA. 



187 



long spines, with somo shorter ones around their bases (fig. 3. ii. joints 58 to 61. The third pair 

 is similar, with 72 and 70 joints. Fourth pair similar. Fifth pair with the rami very unequal, the 

 exopod with 84 joints, the endopod slender and much shorter, with about 33 joints. The sixth pair 

 is similar, exopod with S3, endopod with 30 joints (fig. 3, F). The caudal appendage is small, with 13 

 joints (fig, 3, f). The penis (fig. 3, k ) is of the usual multi-annulate type, sparsely hairy. 



Fiu. 



Alepas rex. A, Maxilla; b, d, mandibles; c, detail from 2d pair of cirri; E, penis; F, last cirrus and caudal 



appendage, c. 



Albatross station 3998, vicinity of Kauai Island, 228 to 235 fathoms, bottom of coarse l)roken coral. 

 sand and shells. Specimens seated on dead stems of gorgonians. 



Four adult specimens were taken on two gorgonia stems, each specimen surrounded by a gi'oup of 

 young and larval individuals. The young are more strongly keeled than the adults, the keel being 

 somewhat uneven. They are similarly l>eset with little warts. The mouth projects decidedly more 

 than in the old specimens. 



The cypris larvse just attaching are about 1.5 mm. long. 



