50 Prof. M'Intosli's Notes from the 



Arwidsson docs not show a posterior foot [e.g. about ICOth), 

 so that there is doubt, but, so tar as observed (PI. IV. fig. 1), 

 it bears a close resemblance to his G. pallida. The compound 

 bristles have the form shown in the same plate (fig. 2). 



In the ' Porcupine ' Expedition of 1869, Glycera lapidmn, 

 De Quatref., was dredged oft' Bundoran in Donegal Bay, on 

 muddy sand, in 20-30 fathoms. 



Glijccra siphonostoma, Delle Chiaje, occurred off" Cape 

 Guardia in 1870. 



Glycera alba, H. Eathke, in 1869, was found on muddy 

 sand, in 165 fathcrcs, oft' Irehiud ; on muddy sand in Donegal 

 Bay, off' Bundoran, in 20-40 lathoms ; and in 30-40 fathoms. 

 Dingle Bay, amidst stones and mud. In 1870 it was 

 dredged in 45 fathoms off Cape Sagres, as well as off" Cape 

 Guardia. 



Aricia Cuvieri Avas dredged in 164 fathoms in greyish 

 sand and gravel in the expedition of 1869. 



The second species is Aricia Kvpfferi, Ehlers ■^, which was 

 dredged in the 'Porcupine' Expeditions of 1869 and 1870, 

 and which likewise extends to Norway and Greenland. The 

 head in this form is typical. The anterior region has fifteen 

 bristled segments. Each foot has a dense tuft of spinose 

 bristles finely tapered, with a stout dorsal cirrus j:osteriorly. 

 An interval separates it from the ventral division, which has 

 a series of similar but shorter bristles, many of which have 

 shafts with rounded tips. The last three feet of the region 

 have dark brownish spines with long hastate tips. The rows 

 of papillae posteriorly are separated by a space from the 

 bristles. These papillse occur in rows on the ventral surface 

 of bristled segments 13, 14, 15, and 16, and, it may be, on 

 one or two of the succeeding segments. The 23rd foot has 

 the broadly lanceolate branchia internally on the dorsum, 

 then the elongated dorsal cirrus shaped like a pointed shoe, 

 and. a tuft of long serrated bristles, amongst which are some 

 simple forms. There are four spines. In the interval 

 between this and the ventral division is a short and rather 

 broad conical papilla. The ventral division presents a some- 

 what clavate sctigerous region supported by two spines and 

 a prominent lanceolate lobe (cirrus) in front of it. The 

 bristles are long and translucent, with smooth shafts and 

 tapering, curved, and closely serrate tips. 



* Tauber seeius to be somewhat doubtful if this is otlicr tlian a var. of 

 A. norevyica, but no papiUa exists in the latter, so that this dill'ers. 



