OF ARTS AND SCIENCES. o9 
riores parvi. Antenne antiez fere corporis longitudine, transverse, 
apicibus fronte paulo anterioribus, prorsum parce curvatis, prope basin 
setis confertis longiusculis, et unà sublongà mobili. Setis apicalibus ar- 
ticuli longitudine, posticá penultimà paulo longiore, aliis subapicalibus 
brevibus. Styli caudales vix oblongi. [Abdomen 3-articulatum.] 
Long. 35". — Hab. prope insulam ** Sumatra" ; lect. die 3. Mar., 
1842. 
22. PoxTELLA FRIVOLA.— Femince P. hebetis similis. Sed cephalo- 
thorax postice acutus ; abdomen 4-articulatum. An species differt ? — 
Long. 4;". Hab. prope insulam ** Sumatra? ; lect. die 8 Mar., 1842. 
Maris (an hzc species ?) antenna antica dextra 9-articulata, subte- 
res, incrassulata, articulis 2, 8, 4, 5, 6 totis longis, 3 sequentibus (ulti- 
mis) normalibus, articulo quarto longiore et crassiore, subcylindrico. 
Antenne posticee tenuissimze, ramis fere zquis. Abdomen 4-articula- 
tum, tenue ; stylis parce oblongis. Anguli postici cephalothoracis acu- 
ti, dextro longiore. — Boupm i2". .Hab.in mari **Sulu? ; lect. die 28 
Jan., 1842. ^ 
293. PowTELLA DETONSA. — Caput discretum, subtriangulatum, fronte 
obtusiusculá. Cephalothorax 7-articulatus, segmento septimo brevissi- 
mo, posticé obtuso aut obtusiuseulo. Oculi superiores remoti, inferio- - 
res subgrandes, vix elongati. Antennsz antice; cephalothorace brevio- 
res, rectze, fere 100? divaricatz, 20 — 22-articulatz, setis totis perbrevi- 
bus. Styli caudales elongati, vix divaricati. Antenna dextra maris 
paululum incrassata, teretiuscula, fermé 20-articulata. [Cyanea ; in- 
terdum dorso Roca Abdomen 3-articulatum.] 
Long. 1"— i". — Hab. in mari Pacifico, lat. aust. 18? 10', long. 
oce. 195^ 20" ; ed die 8 Aug., 1839. Lat. aust. 12? 45/, long. occ. 
171^; lect. die 5 Feb., 1841. Lat. aust. 11^, long. occ. 170" ; lect. 
die 1 Feb., 1841. Lat. aust. 5? 30", long. orient. 175? 50', prope insu- 
lam * El Gran Cocal?"; lect. die 25 Mar., 1841. Prope insulam 
* Mindoro " ; lect. die 24 Jan., 1842. 
24. PoNTELLA ARGENTEA. — Caput discretum, subtriangulatum, fron- 
te obtusum. Cephalothorax 5 (—6)-articulatus, posticé brevissimé acutus 
articulis tribus posticis subzequis. Oculi superiores remoti, inferiores 
subgrandes non elongati. Antennz antiez cephalothorace breviores, 
fere 90? divaricate et levissimé incurvatee, 18 — 20-articulatz, setis to- 
tis perbrevibus, duabus apicalibus subuncinatis. Styli caudales parce 
oblongi. [Viridescens, dorso argentea. Abdomen 3-articulatum.] 
VOL. II. 5 
