202 DISCOVERY REPORTS 



Twenty-two of these Echinoids are from the Antarctic-sub-Antarctic region. At the 

 same time the species hitherto recorded from the Antarctic region are reduced by one, 

 the Amphip7ieustes Mortenseni of Koehler being shown to be identical with A. Lorioli, 

 Koehler, representing only the female sex of the latter species, which was based on a 

 male specimen. No results of more general interest are to be derived from this Echinoid 

 material, the only fact worth special mention being the occurrence of a Centrostephanus, 

 probably C. longispiniis (Phil.), in the Gulf of Guinea, of a Plagiobrissus, probably 

 P. Costae (Gasco), from off French Congo, and of an Echinocardium, probably E. con- 

 nectens, Mortensen, from the Cape Verde Islands, these genera having till now not been 

 recorded from the West African coast. 



The Ophiuroid collection contains a considerably larger number of species, 

 viz. I02 species in all (including eight varieties). Of these the following thirty species 

 and varieties are new to science. 



Astrochlamys sol, n.sp. (Clarence Island). 



Ophioscolex niitrix, n.sp. (South Georgia — Falkland Islands). 



O. tnariofiis, n.sp. (Marion Island). 



Ophiacantha vivipara, var. pentactis, n.var. (Palmer Archipelago). 



O. dejisispina, n.sp. (Falkland Islands). 



O. angolensis, var. inermis, n.var. (French Congo). 



Ophiomitrella falklandica, n.sp. (Falkland Islands — South Shetlands). 



Ophiactis seminuda, n.sp. (Tristan da Cunha). 



Amphiura grandisquama, var. guineensis, n.var. (Gulf of Guinea). 



A. microplax, n.sp. (South Georgia). 



A. microplax, var. disjimcta, n.var. (South Shetlands — South Sandwich Islands). 



A. nionorima, n.sp. (South Georgia). 



A. da Ctmhae, n.sp. (Tristan da Cunha). 



Amphiodia ascia, n.sp. (Angola). 



Amphioplus aciculatus, n.sp. (French Congo). 



A. aaitiis, n.sp. (Palmer Archipelago). 



Ophionephthys tnagellanica, n.sp. (Magellanic Region). 



Ophionereis sexradia, n.sp. (Gulf of Guinea). 



O. novae-zelandiae, n.sp. (Cook Strait). 



OphiozoJiella megaloplax, n.sp. (Cook Strait). 



O. falklandica, n.sp. (Magellanic Region). 



Ophitirolepis brevirima, n.sp. (South Shetlands, Clarence Island). 



O. turgida, n.sp. (Magellanic Region). 



Homalophiiira inoniata, var. tuberosa, n.var. (South Shetlands). 



Ophiura serrata, n.sp. (South Shetlands). 



O. flexibilis, var. crassa, n.var. (Clarence Island). 



Amphiophiura gibbosa, n.sp. (South Shetlands). 



Ophiocten bisqiiamatum, n.sp. (South Georgia). 



O. amitinum, var. siimda?is, n.var. (South Africa). 



Ophiomiisium comtrictiim, n.sp. (Magellanic Region). 



None of the new species represent new generic types ; but a new genus, Ophiolebella, 

 is established for the Ophiolebes biscutifer of G. A. Smith, which does not properly belong 

 to the genus Ophiolebes. 



