CRUSTACEA. 327 
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interiol*^ liiiiftrticiilatd, setia numerdsis longis et plilfnosis obsitis. Ap- 
pendices caudales [uropoda et telson] fere iit in femina. 
This genus is founded on Vaunthompsomd rosea (Norman) and Cyrianassa 
eleganh (Notman), The former Sars takes as the female, the latter as the 
male, of the species that he has namdd Lamprops rosea (Norman), 1. c. p. 64, 
from the Gulf of Christiana. Lamprops fastiaia^ Sars, 1. c. p. 66> nekr 
Stenkjeer and the Lofoten Islands. Lamprops fuscata^ sp. n.^ Sars, 1. c. p. 67, 
from the Lofoten Islands. * ; 
Pseudocumaj g. n., Sars, 1. c. p. 69. Corpus elongatum, cephalothorace 
[cephalon et pereioU] subtumido, abdomine [pleon] gracillimo et quam illo 
nonnihil longiore. Scutum dorsale inerme rostro vero distincto. Segmenta 
thoracica [pereion] 6 j)one scutum dorsale nuda apparent, ultimo antecedenti 
firniiter conjunctd qt qUahl primo abdominali [pleon] latiore. Integumenta 
tenuia, coriacea, stru'ctura squamosa. Antennarum superiorum flagellum ex- 
terius uniarticulatum minimum, interius iriatticulatum, pedunculus in marei 
paucis modo ad apicem instructus ciliis auditoriis j inferiores feminse ut solito 
rudimentares indistihcte articulatso, maris longitudlnem corporis mininie 
assequentes, articulis 2 ultimis pedunculi sat magnis et infra dense pilosis, 
flagello attenuato ex articulis sat elongatis et ad marginem inferiorem ut pe- 
dunculo dense pilosis composito Maxillipedes secundi paris [first pair of 
gnathopoda] robust! ex articulis modo 6 compositi, ultimo aculeo unguiformi 
terminato j tertii paris [second pair of gnathopoda] etiam 6-articulati, sat elon- 
gati, articulo basali extus ad apicem una solummodo seta longa et plumosa 
instructo. Pedes thoracici [pereiopoda] sat robusti, paribus anterioribus 2 in 
femina palpo magno natatorio, sequentibus 2 ut in genere antecedente ad basin 
appendice minima biarticulata ut rudimentum palpi prseditis. Pedes onines 
maris printer ultimum par palpigeri. Pedum abdominalium [pleopoda] maris 
unum solummodo par bene evolutum .... Segmentum ejus secundum abdo- 
minale appendices [second somite of pleon] modo duas brevissimas claviformes 
ut rudimenta pedum abdominalium [pleopoda] gerit ; segmenta sequentia 3 
infra ut in Diastytide, setis 2 plumosis instructa. Appendix caudalis media 
[telson] brevissima sed distincta, laminam formans obtuse rotimdatam et 
setis et aculeis destitutam ; appendicum lateralium [uropoda] styli termi- 
nates lanceolati, ambo uniarticulati aculeo magno apicali. Oculus parum 
distinctus. 
Herr Sars considers this genus to be identical with Lemon as described by 
Van Beneden. 
Pseudoeuma histriata, sp. n., Sars, 1. c. p. 70, from the Isle of Lofoten. 
Petalopils, g. n.f Sars, Ic. p. 71, Corporis forma sat robusta. Cephalo- 
thorax [cephalon and pleon] crassus et altus, margine superiore maxime arcuato 
et antice valde declive. Scutum dorsale magnum, inerme, rostro termiriatum 
brevi sed distincto. Segmenta thoracica [pereion] 5 pone scutum dorsale 
nuda apparent, ultimo antecedenti firmiter conjuncto et segmento primo ab- 
dominali latiore. Abdomen [pleon] cephalothorace multo brevius. Antennae 
superiores- breves et robustae, pedunculi articulis 2 prioribus valde dilatatis, 
flagello exteriore obsoleto. Mandibulae ad apicem in plureS dentes divis^ et 
pone illos pectine setoso, dein processit molari magno et crasso instructae. . . * 
. . . . Pedum thoracicdriim paria 2 anteriora palpigeta, cetera in femina palpo 
destituta. Primuni par forma insolita, ex 5 modo articulis compositum, antepe- 
