OF ARTS AND SCIENCES. 27 



thorax 4 - 7-articulatus, segmento cephalico ssepe discrete. Max- 

 iUipedes (ct. vi,) grandes, recti, setis longis, setulosis. Pedes aniici 

 (ct. vii.) minores. Pes posticus (ct. xii.) dexter maris crassus, pre- 

 hensilis. 



Syn. — Pontia, Milne Edwards.* — Irenaeus, Goodsir. — Broteas, Lovin. 



I. PONTELLJE CALANOIDEjE. AnTENN^ AntIC^ DUPLO CURVATjE, AD 

 APICES FRONTE NON ANTERIORES. AwTENNiE PoSTICJS, AD APICEM 

 •RAMI MINORIS, 3-SETIGER^. 



1. PoNTELLA ELLiPTicA. — FemiiKB : Frons rotundata. Cephalo- 

 thorax crassus, 4-articulatus, capite inermis, angulis posticis acutis, re- 

 motis. Oculi superiores remotiusculi, inferiores minuti. Antennae 

 anticae duplo curvaia^, apicibus fronte valde posterioribus, corpora bre- 

 viores, setis brevibus, subapicalibus perbrevibus, apicalibus vix articuli 

 longitudine. Styli caudales oblongi, setis valde insequis. (Cserulea, 

 dorse saepe argentea.) 



Long. yV'. — Hah. in freto " Banka." — Lect. die 2 Mar., 1842. 



2. PoNTELLA BRACHiATA. — Maris: Frons subtriangulata. Cepha- 

 lothorax 6 -7-articulatus antice angustior, inermis, angulis posticis acu- 

 tis, remotis. Oculi superiores remotiusculi aut coaliti. Antennae anti- 

 cae corporis longitudine, duplo curvatse, apicibus fronte non anterioribus, 

 setis brevibus, postica penultima articulum longitudine fere duplo supe- 

 rante, antica apicali breviore, aliis apicalibus et subapicalibus breviori- 

 bus ; antenna dextra medio paulum incrassata, fere 23-articulata, dua- 

 bus articulis medianis antice unidentatis, articulo antepenultimum prse- 

 cedente elongate, duplice. Pes posticus dexter maximus, digito elonga- 

 te, recte inflexo. 



Long. yV'. — Hal. in mari Pacifico, lat aust. 42°, long. occ. 78° 

 45'; lect. die 3 Ap., 1839. In syrtis " Lagulhas " ; lect. die 8 Ap., 

 1842. — FemincB (an ejus specie! .'') frons vix triangulata ; styli caudales 

 divaricati ; abdomen 3-articulatum [maris 4) ; anguli postici cephalo- 

 theracis divaricati. — Lect. in syrtis " Lagulhas " die 8 Ap., 1842. 



II. Antenna AnticjE ad apices fronte anteriores. 

 A, Caput laterihus inerme. 



I. Cephalothorax postice obtusus aut brevissime acutus. 



3. Pontella plumata. — Femince : Frons rotundata. Cephalo- 



* Pontia Papilionum generis vocabulum, itaque Pontella hie scripsa. 



