14 CC. BOVALLIUS, SYSTEMATICAL LIST OF THE AMPHIPODA HYPERIIDEA. 
segments together. Pereiopoda robust; first and second pairs 
equal; third and fourth pairs not longer than fifth and sixth; 
seventh pair nearly as long as sixth. Rami of pleopoda six-to 
eight-jointed, peduncles large, more than twice as long as 
rami. Outer margins of interior rami of first pair of uro- 
poda armed with a combe-like row of long, straight bristles, 
outer margins of two following pairs strongly serrated. Telson 
broadly rounded. 
Hab. Pacifie. South Atlantic. 
r 
5. 7? P. Gaberti, H. MiLNE-EDWARDS, 1840. 
Histoire naturelle des Crustacés. Tome 3:me, p. 83. 
Hab. Indian Ocean. 
Family 6. THAUMATOPSIDA, C. Bovarues, 1886. 
Diagn. Head and body very large, tumid. Eyes large, 
occupying the upper parts of the head. First pair of antenne 
straight or angulated not tumid. Second pair rudimentary (in 
both sexes). Mandibles without palp. Seventh pair of pereio- 
poda not transformed. 
Gen. 1. THAUMATOPS, R. v. WILLEMOES-SUHM, 1874. 
>»On a new genus of Amphipod Crustaceans.> Philos. Trans. of the Roy. 
Soc. Vol. 163. -Part. 2, p. 638. 
1. Th. Neptunus, GUÉERIN-MENBVILLE, 1842. 
»Description d'un Crustacé amphipode formant un genre nouveau dans 
la famille des Hypérines.» Revue Zoologique. Année 1842, p. 214, 
pl; Ir fe 
Hab. Indian Ocean. 
be 
Th. pellucida, RR. v. WiLLEMOES-SUHM, 1874. 
;On a new genus of Amphipod Crustaceans.» Philos. Trans. of the 
Roy. Soc. Vol. 163, p. 634, pl. 49 and 50. 
Hab. Atlantic. 
