524 
ME. H. N. EIDLEY ON THE 
front of the cervical suture larger than those behind it. 
Posterior margin of the cervical suture furnished above with 
4 or 5 spines, and laterally with 3 or 4 larger ones. Postero- 
lateral portions of cephalothorax almost smooth ; antero-lateral 
portions beset with spines arranged more or less in longitudinal 
series. Anterior marginal excavation adjoining the basal au- 
tennal segment armed with four spines. 
Cephalothorax furnished in front with a pointed rostrum, 
which starts upon the anterior half of the cephalic portion of the 
carapace and reaches almost as far forwards as the front margin 
of the antennular peduncle. Upon each side the rostrum ex- 
tends horizontally over the basal portion of the eye. Furnished 
above with eleven teeth, of which five are larger than the rest, 
and below near the apex with one tooth. 
Proximal portion of antennular peduncle furnished externally 
with a strong curved spine ; upper surface of peduncle with 
three spines ; under surface with four on the inner margin and 
one on the outer margin. 
Basal segment of antennal peduncle furnished above with two 
spines externally, and with a laminate process internally ; second 
segment covered by the basal segment, furnished below with 
three spines ; third segment with one spine externally and with 
three internally. External margin of antennal scale with five or 
six fine teeth, internal margin fringed; antennal scale somewhat 
triangular, laminate, projecting slightly in advance of the 
antennal peduncle, which is approximately as long as the anten- 
nular peduncle. 
Epistome furnished with four strong teeth. 
Ischial segment of external maxillipede furnished distally with 
three spines externally, and with one spine internally; meral 
segment externally with three strong spines. Internal margin 
of all the segments clothed with hairs. 
Segments of first and second pairs of legs simple, more or less 
cylindrical, unspined. 
Meropodite of third pair of legs cylindrical, spined, with some 
larger sharp spines near the distal extremity on the inner 
surface. Carpopodite rounded below, flattened and hollowed 
above ; the hollowed portion with a few small spines, the rest 
thickly spined ; spines on the outer surface larger. 
Inner surface of the hand covered with small tubercles ; outer 
