Correspondence — D. M, S. Watson. 431 



00I?,RElSI=»01SriDE3SrCE- 



COCCOSTEUS SimOR, HUGH MILLER, IN" THE OLD RED SAND- 

 STONE OF DALCROSS, INYERNESS-SHIRE. 

 SiE, -^"Whilst collecting from the Old Red Sandstone of the Hillhead 

 Quarry, near Dalcrossin Inverness-shire, Mr-Wm. Taylor, of Lhanbryde, 

 and myself found large numbers of remains of Coccosteus minor, 

 H. Miller. The quarry has yielded previously only Homosteus Milleri, 

 Traq., and Osteolepid scales. 



Coccosteus minor and Homosteus Milleri have not yet been found 



elsewhere in the Moray Pirth area, but are fairly abundant at Thurso. 



It thus seems probable that the Hillhead Quarry represents a 



different horizon to that of the ordinary nodules of Cromarty, Lethen 



Bar, and Tynet Burn. D. M. S. WatsoxV. 



The Geological Department, 



The University of Manchester. 



MESSRS. CRAWSHAY AND WORTH ON THE SUBMARINE GEOLOGY 

 OF THE ENGLISH CHANNEL. 



SiK, — I have read with much pleasure Professor Cole's appreciative 

 reference to the papers by Messrs. Crawshay and Worth on the 

 "Submarine Geology of the English Channel," as I feared that 

 a geological paper published through the enterprise of a Biological 

 Association might escape the notice of geologists. By the kindness of 

 Mr. Worth I have been kept posted up in the progress of the great 

 work that the Marine Biological Association has been doing. In the 

 subject-matter of the aforesaid inquiry, physics, zoology, and geology 

 are equally concerned, with the natural result that no physical, 

 zoological, or geological society can be expected to afford the space 

 to discuss it. E'o one could have ventured to hope that a Biological 

 Association would have dealt with the "Bock Remains in the Bed of 

 the English Channel" and the "Geology of the English Channel," i 

 more especially as neither of these subjects can directly interest pure 

 biologists ! 



Readers of the Geological Magazine have, no doubt, been much 

 amused at my own efforts in this matter. JBy the year 1889 I had 

 brought the subject before the British Association at Swansea, 

 Southampton, York, Southport, and Birmingham ; published seven 

 papers in the Transactions of the Devon Association, one each in the 

 Proceedings of the Royal Society, in the Journal of the Linnean 

 Society, and in the Proceedings of the Royal Dublin Society; had 

 made two tentative approaches to the Geological Society, with assaults 

 on the Geological Magazine and Nature unnumbered ! 



One of the most important problems in this inquiry is the way in 

 which the bed of the English Channel has been kept free from the 

 deposition of sediment. A paper on deposition and denudation, at 

 Birmingham, in 1886, was with difficulty got on the list for reading. 

 I printed it privately, and, though not published, it has within the 

 present year been cited in an engineering book as an authority ! 



^ Journal of the Marine Biological Association, vol. viii. No. 2, May, 1908. 



