It. W. Goth. 170. Dentalium testa spirali plana adhærente.
Planc. Conch. 13. n. 3. Vermiculus in littore Veneto foliis algæ
adhærens.
Testa minima, magnitudine nuper ab ovo exclusæ cochleæ, cujus formam
omnino gerit, at plana omnino est, et altero latere omnino fuci foliis
adhæret.
This was evidently different from the _Serpula planorbis_ of the
'Systema.'
* * * * *
Catalogue of the Dipterous Insects collected at Makessar in Celebes,
by Mr. A. R. WALLACE, with Descriptions of New Species. By FRANCIS
WALKER, Esq., F.L.S.
(Read June 2nd. 1859.)
Fam. CULICIDÆ, _Haliday_.
Gen. MEGARHINA, _Desvoidy_.
1. MEGARHINA IMMISERICORS, n. s. _Mas._ Nigra, squamosa, capite
thoraceque viridibus, hujus disco cupreo, proboscide palpis pedibusque
purpureis, femoribus subtus fulvis, tarsis intermediis albo
bifasciatis, tarsis posticis albo unifasciatis, pectore argenteo,
abdomine cyaneo fasciculis lateralibus albis subapicalibus nigris
apicalibus auratis, alis subcinereis apud costam nigricantibus.
_Male._ Black. Head and thorax with green metallic scales; disc of
the latter with cupreous scales. Proboscis, palpi, and legs purple;
femora tawny beneath; middle tarsi with two white bands; hind tarsi
with one white band. Pectus silvery. Abdomen blue, widening from the
base to the tip, with small white tufts of hairs along each side; four
larger black subapical tufts, two gilded apical tufts. Wings slightly
greyish, blackish along the costa; veins black. Length of the body 5
lines; of the wings 8 lines.