ciiusl’ACEA. 359 
Dijncmaiura (Steenp. & I.iitlf.), Hell. 1. c. p. 199, on a Hogfisli from 
the Mediterranean ; D. lamncn (Johnst.), Kr. 1. c. p. 263, Y\X2)roducta (Mull.)> 
on Lnmna cormihica from the Mediterranean. 
Dynematura serrata, sp. n., Kr. 1. c. p. 250, tab. viii. fig. 4 a~i ; D. in- 
distincta, sp. n., Kr. 1. c. p. 257, on a Dogfish from Valparais’o. 
Demolcus, g. n.. Hell. /. c. p. 194. Cephalothorax [cephalon and pereion] 
postice emarginatus, anniilis duobus insequentibiis liberis, anniilo quarto (in 
femina) alato ; lamina frontalis bene conspicua, antennis primi paris sub ilia 
pro parte celatis, biarticulatis ' Annulus genitalis elongatus, mas 
Nogagi formam prjebens. 
Dcmoleus imradoxus (Otto), Hell. I, c. p. 199, tab. xix. fig. 3, on a Dogfish 
from the Mediterranean. 
Patidarus hicolor (Leach), Kr. 1. c. p. 261. Prof. Kroyer thinks that P. 
Jissifrons (Edw.) is a variety of this species. P. dentatus (Edw.), Hell. 1. c. 
p. 206, on a Dogfish from Auckland. 
Pandarus arniatus, sp. n.. Hell. 1. c. p. 202, tab. xix. fig. 4, on Scgllium 
qfricanum from the Cape of Good Hope ; P. lugnhris, sp. n.. Hell. 1. c. 
p. 206, tab. XX. figs. 1 & 2, on a Dogfish from the Mediterranean. 
Nogagus latreillii (Leach), Kr. 1. c. p, 242, tab. x. fig. 2 a-f, from the 
Atlantic. 
Nogagus elongatus^ sp. n.. Hell. 1. c. p. 206, tab. xx. fig. 5, on a Shark from 
Auckland; N ccelehs, sp. n.. Hell. 1. c. p. 208, tab. xx. fig. 4, from the Me- 
diterranean ; N errans sp. n., Kr. 1. c. p. 247, tab. x. fig. 3 a~h. 
Cecropsina, g. n.. Hell. 1. c. p. 209. Cephalothorax [cephalon and pe- 
rcion] brevis, obcordatus ; lamina frontalis nulla ; annuli duo inse- 
quentes inter se coaliti ; amiuluS quartus liber, breviter alatus 
Cecropsina glabra, sp. n.. Hell. /. e. p. 209, tab. xix. fig. 1 & 2, from the 
Adriatic. 
Lccmargus muricatus, Kr. t c. p. 262. 
Cecrops latreillii (Leach), Kr. 1. c, p. 264. 
NoTODELPHIDiE. 
The genera constituting this family Prof. Heller has tabu- 
lated under the name of Nrgasilidm, in Reise Novara, p. 150, 
under two heads : — 
1. Corpus in processum lateralem non productum. 
This section he subdivides into groups and subgroups. 
2. Corpus in processum lateralem utrinque productum. 
This section comprises but one genus, Nicothoe of Milne-Edwards. 
Prgasilus sieholdii (Nordm.), Kr. Naturhist. Tidssk. 1863, p. 311, tab. xiii. 
fig. 2 a, h. 
New species *. — 
Ergasilus fundidi, Kr. 1. c. pp. 302 & 312, tab. xi. fig. 1 a~f, on Fimdtdus 
limhatus from New Orleans ; E. labraces, Kr. 1. c. p. 303, tab. xi. fig. 2 a-c, 
on Lahrax lineatus from Baltimore ; E. longimamis, Kr. 1. c. p. 305, tab. xiii. 
fig. 1 h, from Brazil ; E. lizce, Kr. /. c. p. 306, on Mugil Ika from New Or- 
leans ; E. gasterostei, Kr. 1. c. p. 307, tab. xii. fig. 2 a-h, on G aster osteus acute- 
