278 
appendages fail; but their place is indicated by three long hairs 
in a tuft on each side. 
, The penis is about half as long or almost as long as cirrus 
VI, siender, and pointed, without any trace of annulations or ridges. 
Some few scattered hairs are seen, and a tuft of hairs at the dis¬ 
tal end of the penis. 
The labrum is very characteristic. Annandale mentions its 
curiously prolonged and pointed shape; in the Japanese specimens 
a deep and broad median furrow extends from between the palpi 
to its extreme tip and makes the projecting (anterior) end of the 
labrum appear a little cleft. 
The man di ble (Fig. 33) is somewhat variable with three to 
five teeth, the second tooth being situated at the middle of the 
cutting edge. The lower angle is square cut and often, although 
not always, armed with some few, coarse denticles representing the 
pectination of other barnacles. 
Also the maxi 11a is variating in shape; generally there is a 
deep excavation or cleft, almost in the middle of the cutting edge; 
in this case there are twice as many spines above the excavation 
as in susp. indica. In extreme cases, on the other hånd, the cut¬ 
ting edge may be quite straight with only an indication of a notch. 
A comparison between Annandale’s dates 2 nd the present 
specimens results in the following differences between subspecies 
indica and forma japonica : In subsp. indica the penis is annulated 
and ridged in its outer part, the mandible has four (five) teeth, 
and the maxilla three spines above the excavation. In forma ja¬ 
ponica the labrum has a deep, longitudinal, ventral furrow, and its 
distal end is a little bilobed, the penis is without annulations and 
ridges, the mandible has two to five teeth, and the maxilla has 5 
or 6 spines above the excavation. — 
The specimens from the „Endeavour“ again come near the 
subspecies indica, but differ in some respects so that I prefer, at any 
rate provisionally, to single them out as representatives of a forma 
nova-zelandica nov. They come near to subspecies indica in having 
a labrum without any longitudinal furrow, and their maxilla has 
only three spines above the excavation; the excavation on the other 
hånd is very broad, occupying almost half the cutting edge, and 
in the middle of the broad excavation a group of three short thorn- 
