348 
ZOOLOGICAL LITERATURE. 
articulis 3 ultimis brevibus et crassis. Oculi nulli. I. prcetesctaj sp. n., p. GO, 
from Christiania and the Lofoten Islands. 
Loxoconcha^ g. n., Sars, L c, p. 61. Antennae ipfer. quales in Ilyohati. 
Antennae sup. 6-articulatfe setis simplicibus obsitae, articulis ultimis 4 ple- 
mmque valde elongatis et tenuibus inaequalibusque. To this genus belong 
Cythere rhomhoidea (Fischer), Sars, 1. c. p. 62, L. ImgijjeSy sp. n., p. 63, X. 
granulata, sp. n., p. 64, and X. fragiliSj sp. n., p. 66, from Christiania and 
the Lofoten Islands. 
Xestoleheris, g. n., Sars, 1. c. p. 66. Differing from Loxoeoncha in having 
the last four joints of the upper antennae short, gradually decreasing in 
length. X. (^Cythere) nitida (Lilljeb.), Sars, p. 67, and X. deyressa, sp. n., 
Sars, p. 68, from the entire coast of Norway and Finmark. 
Cytherura, g. n., Sars, 1. c. p. 69.’ Antennae infer. 5-articulatae, super. 6- 
articulatae, articulis ultimis 4 antecedentibus multo angustioribus et pilis 
brevibus ex parte spiniformibus sparse obsitis. Lobi postabdominales rudi- 
mentarii, pilis destituti. Oculi duo distincti. To this genus belong Cythe- 
rura yihha (Miiller), Sars, 1. c. p. 70, from the Gulf of Christiania on Zostera j 
C. nigrcscens (Baird), Sars, 1. c. p. 71, on algae. 
Cytherura. The following species are described as new ; — C. similis, p. 72, 
from Langesund and Finmark, among algae ; C. sella, p. 73, from the Gulf of 
Christiania j C. striata, p. 74, from the Gulf of Christiania j C. atra, p. 75, 
from the Lofoten Islands} C. undata, p. 75, from the Gulf of Christiania and 
Finmark} C. acuticostata, p. 76, from Christiania} C. ajflnis, p. 77, from 
Finmark } C. clathrata, p. 77, from the Lofoten Islands } C. nana, p. 78, from 
Christiania, among algae. 
Cytheropteron, g. n., Sars, 1. c. p. 79. Antennae inferiores 6-articulatae ; 
super. 6-articulatae, pilis breyibus sparse obsitae. Lobi postabdominales breves 
et lati, pilis 3 obsiti. Oculi nulli. C. ( Cythere) eonvexum (Baird), Sars, p. 80, 
C, suhimcinatum, sp. n., Sars, p. 81, and C, alatum, sp. n., Sars, p. 81, horn 
Christiania. 
Bythocythere, g. n., Sars, I, c. p. 82. Antennae infer, quales in Cythere } 
super. T^articulatae, articulis 2 prioribus permagnis et crassis, ultimis 6 tenuibus 
setis ex parte sat longis obsitis. All the species are new: — Bythocythere 
turgida,^. 84, from near Drobak } B. constricta, p. 85, and B. dromedaria, 
p. 86, from the Gulf of Christiania} B. acuminata, p. 86, from the Lofoten 
Islands, 
Pseudocy there, g. n., Sars, 1. c. p. 87. Antenme infer. 5-articulatae } super. 
7-articulatae, setis numerosis et longissimis obsitae, articulo ultimo perlongo. 
Lobi postabdom. subconici et infra vergentes pilis, 3 obsiti. Oculi nulli. P, 
caudata, sp. n., p. 88, from Christiania. 
Schrochilus, g. n., Sars, 1. c. p. 89. Antennae infer. 6-articulatae ; super. 6- 
articulatae, articulis ultimis 4 antecedentibus parum angustioribus et versus 
apicem setis numerosis longis obsitis. Lobi postabdom. majores, bipartiti, 
setisque 6 obsiti. Oculus unicus. S. contortus (Norman), Sars, 1 . c. p. 90, 
from Finmark. 
Paradoxostoma variahile (Baird), Sars, L c. p. 93, from Norway, 
Paradoxostoma. The following species are new : — P. ahhreviatum, p. 94 } 
P. pidchellum, p. 96} P. vitreum, p. 96, and P.Jischeri, p. 96, from the Gulf 
of Christiania } P. ohlupmm and P. rostratum, p. 97, from Finmark. 
