98 Prof. M'lnlosli's Notes from the 



breadth from the shoulder to the crown, and for the flattness 

 of the latter. The main fan^r is rather short, but acute, and 

 the gular bristles are separated by a short interval from the 

 base, curve to tlie tip, and then rise above it. Six teeth 

 (as usual in lateral view) occur on the crown behind the 

 main fang, but there is little elevation : the bristles and 

 hooks of segments 13-23 are best developed. 



The tube, which is figured by the original authors, is, in 

 the Zetlandic example, somewhat firm though friable, and 

 is composed of sand-grains and minute fragments of shells 

 attached to a centra] lining of secretion. 



In the edition of the ' R^gne Animal^ by the disciples of 

 Cuvier, Audouin and Milne-Edwards introduced as the type 

 of the " Clim^nes," Savigny (an abranchiate setigerous group 

 which they associated with the Lumbrici), a new form which 

 they termed Clymene ehiensis. No description further than 

 the explanation of the six figures and a footnote is given ; 

 but the form is recognizable, and is characterized by the 

 pyramidal form of the cephalic segment and the absence of 

 cirri on the anal funnel. In the plate the annelid with its 

 tube of the natural size, two views — dorsal and ventral — of 

 the cephalic lobe, and a figure of the posterior end of the 

 body are given, besides four of the hooks magnified. The 

 cephalic region is diagnostic, but the posterior end, or, as it 

 is called, " extremite anale/' represents only the ruptured 

 constricted region between two preanal bristled segments, 

 while the figure of the hooks is scarcely diagrammatic. The 

 tube is evidently composed of sand-grains cemented to a 

 lining of secretion. 



Another Leiochone (probably L. chjpeata, Orlandi) was 

 dredged in 100 fathoms in St. Magnus Bay, Shetland, by 

 Dr. Gwyn Jeffreys. The anterior end is characterized by 

 the stiff — almost transversely truncate — condition of the 

 cephalic plate, only a very slight inclination downward and 

 forward being noticeable. The surface of the j)late is some- 

 what ovoid, and the rim is only slightly developed, being 

 erect all round, and with a shallow excavation in the 

 place of the lateral notch on each side. A short, bluntly 

 conical, median frontal process is continuous with the keel — 

 a narrow ridge which passes backward nearly to the posterior 

 border. The nuchal grooves appear to commence near the 

 posterior end of the keel, and diverge a little as they run to 

 the anterior border, debouching on each side of the median 

 frontal process, and at a greater distance from each other 

 than usual, indeed that on the right side cuts off a special 



