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remaining bristles on this endite two are of the tube-bristle type and three are pointed. The
tube-bristles are rather weak, with short, fine hairs or bare and are of moderate and somewhat
different lengths, the shortest often being not cpiite half as long as the postero-inner bristle
of this endite. Of the three pointed ones, ail of which are bare or armed only with a rather
slight number of weak secondary teeth, two are often subequal and about as strong as the
postero-inner bristle, but in most cases about a third shorter than this; the third is most
fre-cjuently short and rather weak. (The proportions of these bristles are in most cases the same
as in the accompanying figure.) Of the five bristles on the anterior process of this endite the
antero-outer one is of about the same type as the postero-inner bristle on the posterior process
of this endite, but is considerably weaker and somewhat shorter than this; its length varies,
however, to some extent. The bristle situated next to this is of the sanie type and of about
the same length and strength as the longest tube-bristle on the posterior process. The three
remaining ones are pointed and bare or armed only with a small number of rather weak secondary
teeth; one of them is of about the same strength and length as the shortest pointed bristle on
the posterior process, one is in most cases about as long as or somewhat shorter than the
postero-inner bristle of the posterior process, but is somewhat more powerful than this; the remaining
one is also rather powerful, but is somewhat, sometimes considerably, shorter than the
latter bristle (on the anterior process). The basale has a single short-haired or almost bare
tube-bristle, the point of which reaches or goes a short distance past the distal boundary of the
first endopodite joint. Endopodite (fig. 15, o = ?): First joint: This has along the
anterior edge four to six rather long bristles, often difîering somewhat in length; the longest
is about as long as or somewhat shorter than the length of this joint, the shortest is about as
long as the distal breadth of this joint; sometimes they are subequal; their position varies
somewhat; they are ail furnished with short, fine hairs; the distal one is sometimes of the tube-bristle
type, the others are pointed. On the posterior edge of this joint there are three bristles, situated
rather near each other somewhat distally of the middle of this joint; they are of somewhat
different lengths, varying within about the same extremes as the bristles on the anterior edge
of this joint; they have short, fine hairs and are of the tube-bristle type or pointed. The inner
bristle on this joint is in most cases situated somewhat distally of the middle of this joint; it
is often about half as long as this joint, has short, fine hairs and is usually of the tube-bristle
type. The end joint is rather short and thick, only about half as long as the breadth of the first
endopodite joint at the middle. It has five distal bristles. Of these the anterior and the
posterior ones are rather strong, the others are moderately strong or rather weak. The
anterior one is often about as long as the anterior side of this joint, the posterior one is
in most cases not quite twice as long. The three others are of somewhat different lengths,
the longest being in most cases about as long as or somewhat shorter than the posterior
one, the shortest often only half this length. .Vil these five bristles have short, fine hairs
or are almost bare; some of them are (at least sometimes) of the tube-bristle type. Pilosity:
Most frequently completely bare; the second endopodite joint is, however, sometimes furnished
with short, fine hairs. It is to be noted that the first endopodite joint is quite without spines
distally on the inside.
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