On the Nauplius Stage of Prawns. 481 
beyond the cell of double the size; the spots of the forked 
discal series of nearly equal size throughout and continued to 
the interno-median interspace near anal angle; a series of six 
minute white dots near the outer margin: secondaries with no 
spot between the first and second median branches, and the 
spot between the radial and the third median branch truncated 
at the end; abdominal area with the ground-colour pale 
brown. Expanse of wings 3 inches 2 lines. 
More falcate than D. purpurata; in some respects nearer 
to D. sobrina and D. meganira. 
Neptis cyanifera, n. sp. 
Wings above black, bluish towards the base: primaries 
with a semicircular blue patch about the middle of the inner 
margin, and a round white spot above it, surrounded by blue 
scales, upon the first median interspace; a white subcostal dot 
just beyond the cell; two subapical white discal spots placed 
obliquely, and a submarginal series of six white or whitish 
small spots: secondaries crossed before the middle by an irre- 
gular quinquefid white stripe enclosed in a rather broad blue 
belt ; three or four bluish dots parallel to the outer margin. 
Wings below chocolate-brown : primaries below with all the 
spots white, all excepting those of the submarginal series 
(which contains eight small spots) pearly ; an additional spot 
near the end of the cell: secondaries with the base broadly 
sordid white, crossed by a blackish bar; a pearly white belt 
before the middle of the wing ; a submarginal series of pinky 
white spots and a marginal series of longitudinal pinky white 
dashes. LExpanse of wings 2 inches 2 lines. 
Allied to N. Brebissoniz, N. mortifacies, and N. lactaria. 
LV.—On the Nauplius Stage of Prawns. 
By Dr. Fritz MUuier *. 
. 
AFTER the appearance of the essay on the metamorphosis of 
the Prawns T, Spence Bate expressed to me his doubts on the 
connexion of the young forms described by me. Properly 
one should never refer larve to definite grown-up animals 
unless obtained from the ova and the latter from the 
parent. My Nauplii had been caught while swimming freely 
in the sea, and possibly might not be the larve of Peneus 
at all. 
* Translated from ‘ Zeitschrift f. wiss. Zool.’ Bd. xxx. p. 163. 
+ Archiv ftir Naturgeschichte, xxix. 1, 1863, p. 8. 
