. Contributions to a monograph of the Amphipoda Hyperiidea. Hyperiidea. Hypei'ia oblivia, Kroeyer. Facsimile from Kkoeyeb, Gr0n]. Amf. pi. 4, fig. 19. Fig. 1. The first pair of antennae. 2. The second pair of antennae. 3. The first pair of perneopoda. 4. The second pair. 5. The third pair. 6. The Parathemisto abyssorum, A. Boeck. Drawn from the type specimen by A. M. Diagn. Corpus leviter carinatum. Caput segment-is duobus primis perasi longius. Carpus pedum percei primi paris metacarpo paullo brevior; margo anterior levis, margo posterior spinis longis dense instructus; ma
. Contributions to a monograph of the Amphipoda Hyperiidea. Hyperiidea. Hypei'ia oblivia, Kroeyer. Facsimile from Kkoeyeb, Gr0n]. Amf. pi. 4, fig. 19. Fig. 1. The first pair of antennae. 2. The second pair of antennae. 3. The first pair of perneopoda. 4. The second pair. 5. The third pair. 6. The Parathemisto abyssorum, A. Boeck. Drawn from the type specimen by A. M. Diagn. Corpus leviter carinatum. Caput segment-is duobus primis perasi longius. Carpus pedum percei primi paris metacarpo paullo brevior; margo anterior levis, margo posterior spinis longis dense instructus; margo posterior metacarpi serratus et spinis longis instructus; dactylus meta- carpo paullo brevior. Metacarpus pedum secundi paris carpum longitudine aaquaus; pro- cessus carpalis duas partes longitudinis metacarpi asquans, spina terminali instructus, dimi- diam partem longitudinis processus ejusdem requante; dactylus metacarpo paullo brevior. Metacarpus pedum tertii ac quarti parium carpo lougior; metacarpus pedum parium trium ultimorum articulos duos praecedentes longitudine aaquans. Pedunculus pedum url ultirni paris quam telson plus quam ter longior; ramus internus externo longior. The body is feebly carinated. The head is longer than the first two perasonal segments together. The carpus of the first pair of perceopoda is a little shorter than the metacarpus, is smooth on the front margin, and is densely fringed with long bristles along the hind margin; the hind margin of the metacarpus is serrated, and armed with long bristles; the dactylus is a little shorter than the metacarpus. The second pair have the metacarpus as long as the stem of the carpus; the carpal process is two-thirds as long as the hind margin of the metacarpus, with an apical spine, which is fully half as long as the process; the dactylus is a little shorter than the metacarpus. The metacarpus of the third and fourth pairs is longer than the carpus; that of the last three pairs is as long as the two precedi
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