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OF ARTS AND SCIENCES. 25 
Long. 1. — Hab. in mari Atlantico, lat. aust. 4^, long. occ. 21*. — 
Lect. die 7 Nov., 1888. — An Cetochilo septentrionali (Goodsir) affinis ? 
2. CYCLOPSINA CALANINA. — Gracilis. Frons triangulata. Cepha- 
lothorax postice obtusus, 6-articulatus, capite vix discreto, articulis pos- 
ticis equis. Antenne antice corpore longiores, tenuissimze, rectiuscu- 
le, apicibus fronte non posteriores; setis brevibus, apicalibus anticis 
artieuli longitudine, subapicalibus totis valde brevioribus ; antenna ma- 
ris dextra medio leviter incrassata. Styli caudales elongati, divaricati. 
Long. 455". — Hab. in mari Pacifico, prope insulam ** El Gran Co- 
cal." — Lect. die 25 Mar., 1841. 
3. CycLoPSINA TENUICORNIS. — Maris: Frons triangulata. | Ce- 
phalothorax posticé fere obtusus, 7-articulatus, capite discreto, articulis 
postieis aequis. ' Antennz anticze corpore longiores, apicibus fronte vix 
anteriores, tenuissimze, rectiusculze, setis brevibus, anticis apicalibus fere 
articuli longitudine, posticá penultimá paulo longiore. Abdomen 3- 
articulatum. | Styli caudales elongati divaricati. 
Long. 415". — Hab. in mari Pacifico, prope insulam ** Depeyster " ; 
lect. die 22 Mar., 1841. Etiam (?) in Archip. * Paumotu "; lect. Aug. 
18, 1839. 
4. CvcLoPsINA GRACILIS. — Maris: Antenns antiez corpore valde 
longiores ; abdomen 4-articulatum ; aliis C. tenuicorné similis. 
Long. 41". — Hab. in mari Pacifico, lat. bor. 25^, long. orient. 167^. 
— Lect. die 14 Maii, 1841. — An var. C. tenuicornis. 
Genus VII. CATOPIA. 
Antennas posticas et antennarum habitum anticarum Calano affinis. 
Antennam anticam maris dextram JPontelle affünis. Oculi superi- 
ores nulli ; oculus inferior unicus (?). 
CaToPIA FUROCATA. — Gracilis. Caput quadratum, non discretum. 
Cephalothorax 4-articulatus, posticé 4-dentatus, dentibus acutis, exter- 
nis longioribus. Styli caudales oblongi, divaricati. Antennz antice 
corpore longiores, duplo curvatze, apicibus fronte non anteriores ; setis 
totis brevibus. 
Long. 4". — Hab. in freto * Banka." — Lect. die 2 Mar., 1842. 
Genus VIL; AOARTIA. (Dana) 
Antenne antice rectiuscule, flexiles, setis irregulariter diffusis, dextrá 
. maris non geniculante. — JMazillipedes (ct. vi.) pedibus proximis ma- 
jores, recti, setis setulosis longis instructi. Pedes postici (ct. xii.) 
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