SUMMARY OF RESULTS. 
1451 
Placostegus. 
Staurocephalus. 
Terebella. 
OSTRACODA : 
Paradoxostoma. 
Amphipoda : 
Amaryllis. 
Anonyx. 
Euthemisto. 
Halirages. 
Pardalisca. 
Pleustes. 
Rhachotropis. 
ISOPODA : 
Bathytanais, n.g. 
Ischnosoma. 
Neotanais. 
Typhlotanais. 
CUMACEA : 
Diastylis. 
Leucon. 
SCHIZOPODA : 
Boreomysis. 
Macrura : 
Brachy carpus, n.g. 
Hepomadus, n.g. 
Pandalus. 
Anomura : 
Anapagurus. 
* Cryptodromia. 
Lithodes. 
Brachyura : 
*Achxus. 
Pycnogonida ; 
*Colossendeis. 
Lamellibranchiata : 
Astarte. 
Modiolaria. 
Saxicava. 
Yoldia. 
Gasteropoda : 
Buccinum. 
PoLYPLACOPHORA : 
Chiton. 
Cephalopoda : 
Rossia. 
Taonius. 
PoLYZOA : 
AEtea. 
*Canda. 
Cribrilina. 
Flustramorpha. 
*Hippothoa. 
Menipea. 
Micropora. 
Txtnicata : 
*Ascidia. 
Bathyoncus, n.g. 
Boltenia. 
Clavelina. 
Didemnum. 
Hypobythius, n.g. 
Styela. 
Fishes ; 
Engraulis. 
Haloporphyrus. 
Latilus. 
Myxine. 
Notacanthus. 
Raja. 
Syngnathus. 
Trachurus. 
The following 34 genera, represented in the Challenger collections by species taken 
to the south of the tropics, are recorded from other sources to the north of the tropics, 
and, as far as can be gathered from the Challenger Zoological Reports, are not known 
from the intervening tropical zone : — 
Monaxonida : 
lophon. 
Tetractinellida : 
Astrella. 
Stelletta. 
Stryphnus. 
Hexactinellida : 
Acanthascus. 
Rhabdocalyptus. 
Rossella. 
