14 AUSTRALASIAN ANTARCTIC EXPEDITION. 
A key to the seven species of Moschites having an austral distribution is here 
appended. Though probably too artificial to be of permanent value, it may prove 
temporarily useful. 
Key To THE AntTarcTIC SPECIES OF MOSCHITES. 
1. Body smooth or only faintly papillose; no permanent warts or tubercles. 
2. Body smooth; without a peripheral fold. 
3. Umbrella very short; eyes enormous, practically adnate; 
funnel organ W-shaped ..............-+-+++0-- adelieana. 
3'. Umbrella well developed ; eyes moderately large and prominent, 
but not adnate. 
4, Arms relatively short, but about twice as long as body ; 
coloration dark 22... 0... ..0...5s23.55 80. rotunda. 
4:1, Arms relatively long, four times the length of the 
body; funnel organ broad, V-shaped; abyssal 
species of pale coloration ................ albida. 
2'. Body faintly papillose, or with low scattered papill. 
5. A subperipheral fold present; surface with low, scattered 
papille; arms short, about two and a half times the length 
of the body; umbrella short; funnel organ duplex, with 
separate U-shaped components ...........:....harrisson. 
5'. No subperipheral fold; surface faintly papillose or nearly 
smooth ; arms very short, less than twice the length of the 
body ; suckers of ventral arms biserial .......... turquett. 
1’, Body heavily papillose and with distinct supraocular tubercles; arms short, 
about twice as long as body. 
6. Two tubercles above each eye and a few others scattered over body ; 
papille of general surface small; a distinct subperipheral fold 
present; eyes large; umbrella well developed; funnel organ 
duplex, the components V-shaped ........++++++++++-- aurore. 
6!. One low tubercle over each eye; papille of general surface large and 
coarse ; no peripheral fold present (?); eyes moderate... .charcott. 
