s tarsisque nigris.

183. Tabanus guttatus. Don. Ins. of New Holland.

184. Tabanus cinerescens (n.s.) T. cinereo-ferrugineus subtus albescens,
alis hyalinis basin versus subluteis, abdomine linea media maculisque
quatuor utrinque cinereis.

185. Pangonia roei. (n.s.) P. rostro brevi tota ferruginea nitida,
abdomine subtus testaceo alis fulvo-hyalinis apice margineque exteriori
saturatioribus fasciisque duabus mediis obscuris marginalibus.
Pangonia roei. Captain P.P. King manuscripts.

Obs. This insect has been named after Lieutenant John S. Roe, R.N.; one
of the assistant-surveyors of the expedition.

186. Anthrax prae-argentatus (n.s.) A. supra niger pilis flavescentibus
tomentosus subtus albidus, ore albo, pedibus nigris, alis
brunneo-hyalinis margine exteriori saturatioribus apice albis.

187. Anthrax bombyliformis (n.s.) A. nigro-bmnneus post-scutello
ferrugineo, abdomine supra ad basin fulvo apice albo fasciaque media
fusca, subtus albo pedibus atro-brunneis alis hyalinis basi margineque
exteriori fuscis maculisque aliquot discoidalibus.

188. Musca splendida. Don. Ins. of New Holland.

Class ARACHNIDA.

189. Nephila cunninghamii (n.s.) N. thorace sericeo cinereo, geniculis
incrassatis pedibus nigro-fulvis, tibiarum primo et postremo pari
flavo-annulatis.
Nephila cunninghamii. Captain P.P. King manuscripts.

Named after Mr. Allan Cunningham, the botanist of the expedition.

Obs. The genus Nephila has been very properly separated from Epeira by
Dr. Leach in the Zoological Miscellany.

190. Uloborus canus (n.s.) U. albescens thorace convexo, pedum pari
secundo longiori, femoribus nigro-punctatis.

191. Linyphia deplanata (n.s.) L. rufo-testacea mandibulis pedibusque
apicem versus nigris, thorace sub-circulari plano, pedum secundo pari
longiori.

Obs. The principal difference of this spider from the genus Linyphia, as
characterized by Latreille, consists in the circumstance of the two
largest of the four middle eyes being the posterior ones. The palpi of
the male are in this species each provided with a spiral screw resembling
the tendril of a vine.

192. Thomisus morbillosus (n.s.) T. pedibus quatuor primis longioribus,
cinereus thorace macula postica sublunari magna viridifusca, pedibus
sub-geminatim fusco maculatis.

...

CIRRIPEDES.

Anatifera sulcata. Gray, Ann. Phil. 1825.
Pentalasmis sulcata, Leach.
Montague, Test. Brit.

...

RADIATA.

CENTRONIA.

1. Echinus ovum ? Peron and L