288 
denticles on its sides, a little above the lower edge. The outer and 
lower part of the mandible is densely hairy. 
The maxilla has one strong spine at the upper angle, and 
at each side of it one smaller spine; between these three spines 
and a rudimentary notch 
a fourth, unpaired, rather 
long spine is present. Be- 
low the notch the cutting 
edge is densely spiny; 
among these spines two 
larger ones are rather pro¬ 
minent and only slightly 
smaller than the upper 
spine. The outer part of 
Fig. 37. Heteralepas nodulosa, S.W. of Tueuran. the maxilla is COVered by 
a type specimen, lateral view ; b mandible, c nUttierOUS, rather long hairS. 
maxilla. [a X 4, b—c X 33]. 
Although the specimen 
in the features of its cirri and mouth parts is very like Hetera¬ 
lepas (Paralepas) percarinata (Pilsbry), it must at all events pro- 
visionally be regarded as representing another species, owing to 
the occurrence of rudimentary scuta, granules on the cuticle, and 
absence of a carinal crista. 
Heteralepas (Heteralepas) dubia n. sp. 
Disaster Bay, New Zealand, 30—40 fathoms, sand and mud. „Endeavour“ 
1/X 14. Two specimens. 
The capitulum almost insensibly passes into, the peduncle. No 
traces of scuta are found, but the insertion of the adductor muscle 
is externally visible as a somewhat lighter figure below the aper- 
ture. The latter is about half as long as the capitulum. No car¬ 
inal crista is indicated, but at the juneture of capitulum and ped¬ 
uncle a low and broad, wartlike protuberance of the cuticle is 
present at the carinal side. 
The mantie of the animals is thick, semipellucid, and of a 
vivid, reddish-brown colour, the internal tissues dark brown in alco- 
hol. The peduncle shows transverse feeble wrinkles, probably due 
to contractions. 
