304 | 
204 On the Classification of the Crustacea Choristopoda. 
Subfam. 3. sage elles .—Lamelle caudales ciliate. Abdomen multiarticu- 
latum, segmentis liberis. 
G. 1. Aearnoa, Dana—Abdomen thoracis subito non oe segmentis sub- 
equis. Caput subtriangulatum, latum, thorace parce angusti ius. O' culi grandes, 
Fam. II, AcGIDA.* 
Maxillipedes elongati, ‘Ze peedal. articulis totis lamellatis, termin- 
alibus latis et brevibus. Appendices caudales liber, marginibus cili- 
ate. Antenne ad frontis marginem capitis affixe, aperte. Abdomen 
4-6-articulatum. Pedes 6 antici interdum ancorales aut prehensiles, 
sepius simpliciter unguiculati, 8 postici unguiculati et nunquam anco- 
rales. Branchiz ciliate. Epimere conspicus. 
Subfam. 1. a —Pedes 6 antici sellin unguibus validis ; reliqui ungut 
bus parvulis co: 
G. 1. A&ea, ae nace 6 antici one ancorales. Antenn me basi contigu®, 
2de per e cte. Frons capitis non fain. 
acer ca.—Oculi remoti, Antenne Ime basi sige oe 9 is: 
~~ 2, Cortera, Leach—-Oculi remoti. Antenne 1 asi subcy. 
Bubgen. . 8. Ro CINELA, PaaS grandiores, inter se contigue. Antenn® 
Ime basi complana 
G. 2. AcHErusta, —— eg affinis, Antenne 2de per processum non S@ 
mi juncte. felts aa saliens, 1 pdidactyli, 
8. Prer: — Age afinis, Pedes 2di Sti sepeque lmi 
ye is. Pedes ped aive acuminato 
process ¢ e tea "penulino instar digiti immobilis, processu 
sive acie instru 
Subfam. 2. CIROLANIN A.—Pedes nulli ancorales. © 
G. 1. Crrozana, Less +—Segmenta thoracis subequa. Ped 
confecii. Antenne 2de per processum epistomatis tenuem | sejunct. 
men 6-articula paver arvulis 
G. 2. Corattana, Dana.—Segmenta thoracis subequa. edes unguibus pa tim 
confecti, Antenne 2de episiomate transverso a red sejuncte eb pat 
tect, pte antemnisque trai Imis laté pene “se =. lew 
. 8. Auireopus, Edu—S ro acpomgs thoracis 3 —_* anterioribus longiora,— 
“Nerocila. Pedes es unguibus crassiuseulis confec 
Fam. Il. SPHEROMIDA.$ 
Maxillipedes elongati 5-6-articulati et palpiformes. Appendices 
caudales margini abdominis laterali conjuncte. Antenna ad frontis all 
ginem capitis affixe, aperte. Abdomen j-2-articulatum. Pedes no | 
ancorales (raro 4 antici ancorales). Branchiz ciliate. Epimere 102 
ee 
othoad: Edw. © de, Cat. Brit. ¢ ai 
Macteme e on era i’ 
{ Genera  Barpaies et a Leach, a dice 
ulato tantum. _ : 
we teromien culés, Edw. ( 
ee : = Petia mings Tee 
sage orga 
Abdo- 
