288 Obituary — The Rev. Norman Glass. 



genus of echinoid, whicli the late Dr. S. P. Woodward described and 

 figured under the name of Echinothuria floris (" Geologist," 1863, 

 pi. xviii, fig. B, pp. 327-330). But it was in his association with the 

 late Dr. Thomas Davidson that Mr. Glass will be more particularly 

 remembered by palaeontologists. He had devised a method whereby 

 the delicate calcareous internal structures of many of the Palaeozoic 

 Brachiopod shells could be exposed for examination, and although 

 this was effected by a somewhat simple process through the agency 

 of a knife, hydrochloric acid, and running water, it required the 

 greatest patience, and no small amount of skill, before satisfactory 

 results could be attained. These investigations naturally led to 

 most important discoveries, and required Davidson to amend much 

 of his earlier work. In the following terms Davidson thus alludes 

 to the valuable assistance rendered him by Mr. Glass : " Prominent 

 in this diflScult study [the spiral-bearing Brachiopoda] has been 

 the Rev. Norman Glass, to whose indefatigable perseverance and 

 consummate skill I am indebted for the 2:)0ssibility of laying before 

 my readers a large amount of positive and most valuable information. 

 I can find no words sufficiently expressive to convey the gratitude 

 I feel towards him for the unrelaxing energy he has displayed 

 during upwards of three years in this difficult kind of investigation " 

 [quotation from Davidson's Monograph]. Some forms of spiral- 

 bearing Brachiopods had previously been subjected to development 

 by Young and Neilson of Glasgow, Zugmayer of Yienna, and 

 Whitfield of America, but the success attained by Mr. Glass seems 

 to have eclipsed that of all others in this special branch of 

 jDalaeontological work. His specimens were generously presented 

 to Dr. Davidson, who elaborately figured and described them in his 

 great monograph on the " British Fossil Brachiopoda," published by 

 the Palseontographical Societ}'^ between 1880 and 1884, subsequently 

 bequeathing them to the British Museum, where they are now 

 exhibited among the type specimens of the "Davidson Collection." 



As a further proof of his appreciation of these signal services to 

 his subject, Davidson founded the generic name of Glassia to include 

 such forms as Atrypa ohovata, J. de C. Sowerby, the spiral structure 

 of which, after exposure by Mr. Glass, was proved to be essentially 

 different from that of any previously known genus. 



In 1882 the Council of the Geological Society of London awarded 

 him a moiety of the " Lyell Donation Fund" for "valuable aid and 

 services rendered in elucidating the history and internal structure of 

 the British and foreign Brachiopoda." Mr. Glass has contributed 

 the following papers to geological science : — 



(1) Silurian Strata near Cardiff. Geologist, 1861, vol. iv, p. 168. 



(2) On the Development of the Spirals and their Connections in the Palaaozoic 



Brachiopoda, in Davidson's "Monograph of British Fossil Brachiopoda," 

 Pal(Bontographical Society , 1882, vol. v, pp. 86-91. 



(3) On a new form of Spiral in Spirifera glabra. Geological Magazine, 1890, 



pp. 461-463. 



(4) On Athyris Iceviuscula, Sow., sp., with the full disclosure of its loop, etc. Ibid. 



1891, pp. 495-498. 

 (o) The Eocks on the Blackpool Coast. Blackpool Times [\m&.OLie(!i). 

 (6) The Local Geology of Blackpool. Ibid. 1893. E. B. N. 



