194 
CRUSTACEA. 
Argulidas. 
Argulus phexini^ sp. n., Tubingen, S. Germany, indicated by Ley dig, 
JII. Ver. Wiirtt. xxvii. p. 269. 
Caligidas. 
Caligus curtus (Miill.) =• bicuspidatus (Nordm.) = elegans (Bened.), on 
various species of fishes, chiefly Gadidce ; C. belones (Krdy.), 3 described j 
C. rapax (M.-E. ?, Steenstr.) and lumpi (Krdy.), on Trigla, 
AcanthiaSf Molva, Chimcera, &c., described by Olsson, 1. c. pp. 6-10 j larva of 
the last figured, pi. 1. figs. 1 & 2. 
Lepeophthit'us hippoglossi (Krdy.), pectoralis (Miill.), hranchialis (Malm), 
and salmonis (Krdy.), described, id. 1. c. pp. 11-14. 
Trebius caudatus (Krdy.), on JRaia batis, id. 1. c. p. 14 ; larva, figs. 3 & 4. 
Nogagus socialis, sp. n., Skagerrack, on Acanthias vidgaris, id. 1. c. p. 16, 
pi. 1. fig. 6. . . 
Echthrogaleus perspicaXy sp. n., on Acanthias mdgaris. S little known, 
agreeing with Nogagus j $ described : id. 1. c. pp. 18-20, pis. 1 & 2. figs. 6 & 7. 
Pandarus bicolor (Leach), on the same shark, described, id. 1. c. p. 21, 
pi. 2. fig. 8. 
Cecrops latreillii (Leach) on the gills of Mola nasus, id. 1. c. p. 22. 
Hesse, Ann, Sci. Nat. (5) xv., 'describes the following new genera and 
species : — 
Megalobrachinus subocidatus from gills of Mugil capita, p. 2, pi. 1. figs. 1-7. 
Matrobrachinus punctatus from gills of Chrysophrys aurata,'p. 6, pi. 1. 
figs. 8-15. « 
Hce7na[to~\philus roseus fr’om gills of Motella vulgaris, p. 9, pi. 1. figs. 16, 17. 
Metoponanuphiissontes omatus from gills of Scomhresox camperi, p. 12, 
pi. 2. figs. 1-6. 
Metopocatacotinus hirsutus from gills of Pelone vulgaris, p. 16, pi. 2. figs. 7-10. 
Megasanoiocus himaculatus, probably from a compound Ascidia, Polyclinum 
constellatum, p. 17, pi. 2. figs. 11-17. 
[The genera of the above, all new, are so verbosely described that no 
distinctive characters can be given for them ; some of the names, moreover, 
transgress the well-known Linnsean canon, and are too long for practical use.] 
JDoropygus cristatus and postremoglobosus from Ascidia canina, pp. 21 & 23, 
pi. 2. fig. 18. 
Botryllophilus propinquus from a compound Ascidia, p. 26. 
Ceratrichodes Jlavus from a social Ascidia, p. 27. 
Biocryptus calthccus from a compound Ascidia, p. 29. 
I Dichelestid^. 
Eudactylina acuta (Bened.), from the gills of Acanthias vulgaris, described, 
lid. 1. c. p. 24, pi. 2. fig. 9. 
Clavella hippoglossi (Cuv.), $ redescribed, id. 1. c. pp. 25 & 26. 
Peniculus clavatus (Miill. nec Krdy.), from Sehastes, described ; nearly allied 
to Clavella, but anterior antennae wanting : id. 1. c. pp. 27 & 28, pi. 2. 
figs. 10 & 11. 
Chondracanthidje. 
Chondracanthus cormdus (Miill.) in the branchial cavity of several spp. of 
Pleuronectes ', C. anmdatus, sp. n., from the gills of Raja batis j C. gurnardi 
(Krdy.), tnerlucii (Holt.), lophii (Johnst.), and nodosus (Miill.), the last from 
Sebastes. ‘ 3 and $ of all these described, id. 1. c. pp. 29-36 ; the new sp. 
g ured pi. 2. figs. 13-16. 
