44 REPORT — 1867. 



consuming 70,000,000 tons of coal. ' 'Now, when we remember the various 

 purposes to which coal is now applied, and where even a considerable ang- 

 meutation of price will not preclude its use, wc must at the same time perceive 

 the serious effect any great change in the value of fuel must exercise on the 

 production of an iron railway bar requiring five or six tons of coal for its 

 manufacture. In reality, this disj^roportion between the value of coal and 

 iron as compared with this country is already perceived abroad, where, not- 

 M'ithstanding greater mining difficulties than wc have to contend with, fuel 

 commands a price sufficient to cover this, and also leave a greater margin of 

 profit than falls to the share of the coal owner in this country. 



Favoured thus, as we undoubtedly are by nature, there seems nothing 

 wanting for our success in this noble branch of manufacturing science than 

 a continuance of that unflagging spirit of enterprise on the part of the 

 masters, and the exercise of that operative skill on the side of our workmen, 

 which is still imsurpassed in any iron-producing country of Europe ; but in 

 this alliance a correct knowledge by both of the competition wc have to meet, 

 and a thorough belief in the inseparable union of the interests of each, arc 

 indispensable. 



Third Report on the Structure and Ctassifii acion of the Fossil 

 Crustacea. By Henry Woodward, F.G.S., F.Z.S., of the British 

 Museum. 



Since I had the honour to submit to the British Association my last Report 

 on the Structure and Classification of the Fossil Crustacea, the first part of 

 my monograph on the Merostomata has been issued by the Palicontographical 

 Society. About seven more plates are already prepared for the second part, 

 of some of M^hich I am enabled to exhibit proofs. 



The magnificent collection of remains of this remarkable group of Cnis- 

 tacca from the Devonian of Forfarshire, belonging to ilr. James Powric, 

 F.G.S., of Reswallie, are on view in the Volunteer Drill Hall. 



A fine series, comprising several new forms, from the black shales (Upper- 

 most Silurian) are exhibited at the present Meeting (Panmure St. Chapel) by 

 Mr. 11. Slimon from Lesmahagow, Lanarkshire, and are M'orthy of a careful 

 inspection by all who are interested in geology. 



In the immediate neighbourhood of Dundee, at Montrose, at the Univer- 

 sity of St. Andrews, at Arbroath, at Rossie Priory, and in the "Watt Insti- 

 tution in the town itself, some of the best specimens ever jxt found of the 

 remains of Pteryriotus are to be seen ; Avhilst Balruddcry Den, Carmyllie, 

 and the quarries in the Sidlaw Hills, exhibit the " Arbroath paving-stones " 

 and overlying fissile shales, whence these remains were procured. 



Among the new forms which have been obtained by Mr. Slimon in his 

 exploration of the shales of Logan Water, are some almost entire remains 

 of a form allied to Pteryriotus punctatus (called by Mr. Salter i¥. scorpioides^-), 

 which prove it to be an Eurypterus and not a Fteryyotus. Another new form 

 allied to Pt. hiJohus and perornatus, but having the anterior segments much 

 broader and shorter, and with a somewhat different form of thoracic plate, 



* A MS. label bearing this name is .ittached to a specimen of a portion of this same 

 species in the Miiseiiui at Jcrmyu Street. 



