38 Prof. M'Intosh's Notes from tie 



to tlie description already given, and Mliicli is observed in 

 those from the Outer Haaf and Skerries, Shetland, St. 

 Andrews, Norway, and Canada. The foot is therefore, both 

 autLM'iorly and posteriorly, the least complex. A tendency, 

 liowever, to the enlargement of the lobe beneath the dorsal 

 cirrus occurs in females witii large ova from Canada. 



The second type is represented by examples from Cape 

 Fiuisterre and Cape Sagres, in which the anterior feet have 

 five processes, viz. a dorsal and a ventral cirrus (the former 

 being near the base of the foot), a long and large posterior 

 lobe, and two smaller anterior. The dorsal lobe is long and 

 narrow and has a slight constriction at its base. In this 

 type the posterior feet have broadly lanceolate dorsal lamellae, 

 and three long digit-like papdlse inferiorly, above the elongate 

 ventral cirrus. 



From the for?going Ghjcinde is readily distinguished by its 

 tapering snout of ten segments, its eyes, the two di\'isions of 

 the body, the structure of the proboscis, and the structure of 

 the feet. The sole British representative, so far as known, 

 is Glycinde Nurdmanni, Malmgreu, which Dr. Gwyn Jeffreys 

 first procured in various Zctlandic waters. It ranges to 

 several parts of Ireland, to the Atlantic, and elsewhere — 

 generally in somewhat deep water. The proboscis is distin- 

 guished from that of the foregoing form by the absence of 

 the lateral V-shaped denticles. 'J'he arrangement of the 

 denticles at the termination of the first rei^ion of the proboscis 

 seems to differ from Malmgren's figure, which shows a de- 

 creasing series of four teeth in lateral view, whereas in some 

 this is not evident. The smaller denticles appear to be from 

 22 to 24 in number. The first feet are simple and short, 

 bifid and afterwards trifid as they increase in length. 



The 10th foot has three lanceolate lobes. The same number 

 characterizes the 30th foot, but they are more massive and 

 considerably flattened. Between the 30th and 50th feet the 

 appendages attain greater complexity, the latter having a 

 dorsal division of two lobes (or a cirrus and a lobe), a spine, 

 and a few^ bristles, though the latter are often included in 

 the tissues. This is evidently due to the growth of a dorsal 

 lobe on the upper process of the trifid foot. The lower division 

 consists of an upper long, bluntly conical, setigerous region, 

 with fan-like groups of bristles which are arranged in three 

 divisions, and a ventral cirrus beneath. 



A great increase hi the lamella of the inferior setigerous 

 lobe occurs at the 70th foot, so that in outline the parts are 

 broadly lanceolate ; the bristles are also longer and more 

 slender. Further changes appear in the 100th foot, for the 



