118 
Walter M. Tattersall 
The followÌDg species were found in the material but are not 
recorded by Dr. Lo Bianco. 
Euphausia hrevis Hansen. (E. 'pellucida^ pars, Lo Bianco.) 
Nyctiphanes couchii (Bell). (A^. norvegica^ pars, Lo Bianco.) 
Thysano'éssa sp.? 
Nematoscelis megalops G. 0. Sars. ( Recorded by Dr. Lo Bianco 
Nematoscelis microps G. 0. Sars. 1 as Nematoscelis sp. 
Paramhlyops ì^ostrata Holt & Tatt. 
Pseudomma kruppi sp. nov. 
Leptomysis sp. ? 
Calyptomma puritani gen. et sp. nov. 
Mysidetes farrani Holt & Tatt. 
Mysidella typica G. 0. Sars. 
Recent corrections of nomenclature cause the species recorded 
by Dr. Lo Bianco as Euphausia pellucida, Stylocheiroìi mastigophorum^ 
8. chelifer and Eucopia australis to be now knovvn as E. mülleri, S. suhmi, 
8. abhreviatum and E. unguiculata, respectively. 
The foUowing three species are described as new, Parerythrops 
lohiancoi, Pseudomma kruppi and Calyptomma puritaìii. The last 
one is made the type of a new genus and I bave also instituted a 
new genus Eucìiaetomeropsis, to receive Euchaetomera merolepis Illig, 
in accordance wich a Suggestion made by Holt & Tattersall 
(1906 p. 26) in writing of this species, at the time undescribed. 
As a result of bis examination of the present material. Dr. Lo 
Bianco was able to announce the following eleven species as new 
to the Mediterranean fauna: 
Euphausia gihha. 
Thysanopoda ohtusifrons. 
Thysanopoda microphthalma. 
Nyctiphanes norvegica. 
Eucopia australis. 
Er7jthrops goesii. 
Parerythrops obesa. 
Pseudomma affine. 
Euchaetomera tenuis. 
Brutoìnysis vogtii. 
Boreomysis arctica. 
