APPENDIX B. 



PoNTONIID^E (p. 705). 



First pair of antennas having the outer flagellum bifid. Mandible without a 

 synaphipod. First pair of pereiopoda subequal, slender, chelate. Second pair unequal, 

 one being extremely large, possibly in the male only. 



CAKICYPHIDiE (p. 712). 



Body slender, carapace anteriorly produced to a slender sharp-pointed rostrum. 

 Third somite of pleon dorsally frequently elevated and compressed. First antennas 

 having two short fiagella ; second pair having the scaphocerite long and narrow. 

 First and second pairs of pereiopoda chelate, subequal. Telson long and slender. 



ACANTHEPHYEIDiE (p. 723). 



Animal smooth, laterally compressed, and dorsally carinated. First pair of antennas 

 having two long fiagella ; second pair furnished with a sharp and rigid scaphocerite. 

 Mandibles furnished with a synaphipod. First two pairs of pereiopoda slender, sub- 

 equal. Telson long, narrow, and tapering to a truncated point, 



P a l m m o n i d m (p. 711). Transfer to p. 778. 



N E M A T O C A R C I N I D M (p. " 800). 



Animal smooth and slender. First pair of antennas having two long slender fiagella. 

 Second antennas having a long and narrow scaphocerite, and a long and slender 

 flagellum. Mandibles having a synaphipod. Pereiopoda having the carpos much 

 longer than the propodos. First two pairs chelate, small, slender. Telson slender and 

 tapering. 



T e o P I o c a R I D je (p. 824). 



Carapace not laterally but dorsally compressed. Frontal regions anteriorly project- 

 ing above the ophthalmopoda, and produced to a short pointed rostrum. First antennas 

 having two fiagella. Second with a long and narrow scaphocerite. First two pairs of 

 pereiopoda subequal, slender, and chelate. Telson long and tapering. 



