Notes on some Raised Beaches of the West of Seotland. 231 



as ever. It will be interesting to watch tlie progress of the 

 case, and to find out at a future time whether the kidney 

 were a supernumary or merely a floating one, and, if the 

 latter, to discover if the remaining kidney will have become 

 greatly hyper trophied.* 



2. The Demodex follieulorum, of which I now hand round 

 a drawing, is an entozoon very commonly met with in man, 

 and causing those pimples on the nose, vulgarly called 

 " mawks," but seems to cause no inconvenience beyond 

 lessening the beauty of " the human face divine," induces in 

 the dog an incurable, and finally, a fatal form of skin disease 

 called "follicular scabies," and this it does by burrowing 

 deeply into the brain follicles with its head looking inwards, 

 propagates slowly but surely, and is so deeply imbedded as to 

 be beyond the reach of remedial agents. 



IV. Notes on some Raised Beaehes of the West of Seotland, vnth 

 Ilhistmtions. By William Ferguson, F.L.S., F.G.S., 

 F.E.S.E., etc. 



The following paper touches some of the modern geological 

 changes exhibited in the neighbourhood of Glasgow, and 

 embraces some topics Avhich may perhaps be regarded as 

 belonging more to archieology than natural science, but 

 which, nevertheless, have some bearing upon the geological 

 question. 



My attention was more specially directed in the year 1850 

 to the modern changes of surface on the Firth of Clyde. In 

 digging a drain in Sauchiehall Street, Glasgow, in the autumn 

 of 1850, at a spot about twenty-live paces to the west of the 

 Wellington Arcade, the workmen after going down about 

 four feet came to a bed of pure peat, one foot thick, and below 

 that they dug four feet through beds of sand containing shells 

 {Troehus ziziphinus). In one shovel-full of sand thrown out 

 there were as many as five or six. Here we have a portion of 

 a deposit plainly showing that the sea, or at least an arm of 



* Note. — The cat from which the kidney was extirpated is alive and well at 

 the time this goes to press, months after the operation. — W. Williams. 



