150 Prof. M‘Intosh’s Notes from the 
The body is conspicuously banded with pigment, which 
was probably reddish brown during life, a bar occurring 
dorsally in the middle of each segment, generally with a 
darker spot m the centre. The first segment is somewhat 
narrower than the succeeding, and bears two subulate ten- 
tacular cirri at the anterior border. 
Proboscis—The whole apparatus is comparatively short, 
pale greyish in hue, niarked with characteristic blackish- 
brown lines. 
The maxille (woodcut, fig. 4) are remarkably broad poste- 
riorly, curving almost from the latter border to the hook-like 
tip. A dark curved line indicates a separate edge or element 
at their posterior end, bounded posteriorly by another line 
running outward from the bold dark bar separating the 
maxille from their spathulate appendages, which have a 
median notch posteriorly. The great dental plates have 
Fig. 4, 
Dental apparatus of Onuphis quadricuspis, Sars. Enlarged. 
each about six well-marked teeth directed backward. ‘The 
right anterior curved plate has nine or ten teeth; the left 
has fewer, apparently about six. 
