OF ARTS AND SCIENCES. 



31 



Cephalothorax 5-articulatus, capite discrcto, angulis posticis elongatis, 

 acutis. Oculi superiores remoti, inferiores parvi. Antennae anticaj 

 subtransversse, fere corporis longitudine, ferme 21 -22-arliculat3e, api- 

 cibus fronte paulo anterioribus, et prorsum leviter curvatis, setis prope 

 basin confertis longiusculis, postica penultima diiplo longiore quam ar- 

 ticulus, apicalibus et aliis subapicalibus brevioribus, Styli caudales 

 oblongi. Antenna dextra maris subteres, ferme 13-articulata, articulo 

 secundo longo, 6 sequentibus brevibus, proximis duobus elongatis et 

 tenuibus, parce arcuatis, subsequis, 3 proximis (ultimis) normalibus. 

 Pes posticus dexter maris latus, manu apice late orbiculata, pollice nul- 

 lo, digito vix manus longitudine, paulum inflexo. [Cyanea. Abdomen 

 4-articulatum.] 



Long. yV"- — •^«^- prope insulam " Mindoro " ; lect. die 24 Jan., 

 1842. In mari Sinensi ; lect. die 15 Feb., 1842. 



t Seta antennarum anticarum apicalis suhapicalihus longior. 



15. PoNTELLA RUBESCENS, — FcmincR : Frons rotundata. Cepha- 

 lothorax 6-articulatus, capite discrete, segmento septimo obsolete, angu- 

 lis posticis acutis. Oculi superiores remoti ; inferiores pigmentum bi- 

 lobati. Antennae anticse fere 120° divaricatoe et recta? ; setis brevi- 

 bus, apicali vix longiore quam articulus. Ramus major antennarum 

 posticarum fere triplo longior. Styli caudales elongati, paralleli. 

 [Abdomen 3-articulatum.] 



Long. ^y. — Hab. in mari Pacifico, prope insulam " Upolu " ; lect. 

 die 24 Feb., 1841. Prope insulam " El Gran Cecal"; lect. die 25 

 Mar., 1841. 



16. PoNTELLA EMERiTA. — FemiucB : Crassa. Frons obtusa. Ce- 

 phalothorax 6-7-articulatus, capite discrete, angulis posticis longe acu- 

 tis, se^fmento postico brevi. Oculi superiores remoti. Antennae anti- 

 cse cephalothorace vix longiores, ferme 100° divaricatae, rectae. Ra- 

 mus major antennarum posticarum fere quadruple longior. Styli cau- 

 dales breves. [Abdomen 2-articulatum segmentis subaequis.] 



Long. yV'* — Hal), in mari prope Promontorium Bonae Spei ; lect. 

 die 12 Ap., 1842. 



17. PoNTELLA REGALis. — FemincB : Crassissima. Frons rotunda- 

 ta. Cephalothorax 5 - 6-articulatus, angulis posticis longe acutis, capite 

 discrete brevi. Oculi superiores remoti, inferiores parvi. Antennae 

 anticse cephalothorace breviores, 100°- 110° divaricatae, duplo leviter 

 curvatse. Ramus major antennarum posticarum quadruple longior. 



