96 Dr. A. Philippi’s Zoological Notices. 
Amphithée, some Gammari, and above all Cytherine, and a vast 
number of Cyclops-like animals, together with Peltidie, and an 
allied genus. ‘The new genera which I found among them I 
will now briefly enumerate, reserving a more detailed descrip- 
tion of them for a longer labour. 
1. Nauplius, mihi (non O. F. Miiller*). (Fig. 12.) 
Corpus elongatum, postice sensim attenuatum, segmento primo s. 
capite (cum segmento primo thoracis connato) maximo; cauda 
bifida, setigera. Antenne quatuor; superiores multiarticulate, 
apice penicillate; inferiores tri-?articulate, apice setis unci- 
natis, basi seta pectinata munite. Pes masticatorius ungue in- 
curvo falcato. Pes primus capiti insertus, desciscens, biramus, 
ramis elongatis, apice unguiculatis. Pedes natatorit birami sex. 
Pedes spurii duo, e lamellis duabus basi communi insidentibus 
formati, sacculum ovorum ex parte obtegentes. 
This genus is abundant in species. It is distinguished from 
Cyclops; 1. by the varying construction of the first pair of 
feet which do not serve for swimming; 2. by the foot-jaw ; 
3. by the lamella, with cover for the greater part of the ovary. 
It is remarkable that the foot-jaw and first pair of feet are ex- 
actly so constructed as in the genus Peltidium+, which genus 
I have been able to investigate more completely on a couple 
of new species than it was possible on P. purpureum. 
2. Laophonte, mihi. (Fig. 13.) 
Omnia ut in Naupliis, sed primum corporis segmentum cum capite 
non coalitum, ideoque par primum pedum desciscens non capiti 
sed segmento peculiari thoracis insertum, biramum, ramo altero 
minimo rudimentario, altero ungue unico maximo terminatum. 
Only one species, but very common ; the back appears ser- 
rated, from the individual segments being placed sharply from 
one another. 
3. Psamathe, mihi. (Pl. IV. fig. 1.) 
Corpus elongatum, semiteres. Pes masticatorius lamellis duabus 
terminatus. Pedes sex, birami, natatorii. Pedes spurii duo, 
biarticulati, angusti. Reliqua ut in Cyclope vel in Nauplio. 
Only one species, rare, elongated as Cyclops, but at the 
same time flat, thus forming the transition to the scutiform 
Copepoda. The cibarian apparatus is very peculiar, almost 
exactly as in the scutiform genus Thyone. Very remarkable 
* O. F. Miiller gave this name to the young state of Cyclops. 
+ For description and figure of this new genus, see Ann. Nat. Hist. vol. iv. 
p. 303. Pl. IV. fig. 12, 13.—Enir. 
