CURRENT LITERATURE 123 



of England and Russia, and also in the Upper Devonian of the 

 latter country. This recognition of its affinities throws a new light 

 on the family Coslolepidse, to which Thelodus belongs, and shows 

 that, though related to the Elasmobranchii, they were not Cestracion- 

 like sharks, and that the spines from Silurian and Lower Devonian 

 rocks known as Onchus did not belong to them. 



ON A NEW SPECIES OF CEPHALASPIS DISCOVERED BY THE 

 GEOLOGICAL SURVEY OF SCOTLAND IN THE OLD RED SANDSTONE 

 OF OBAN. By Ramsay H. Traquair, M.D., LL.D., F.R.S. Trans. 

 Roy. Soc. Edin., vol. xxxix. pt. iii. No. 20, pp. 591-593, plate. The 

 species is named C. Lornensis ; and the specimens were collected 

 in the Lower Old Red in the neighbourhood of Oban. It has also 

 been found in the island of Kerrera. 



NOTES ON THE MICRO- FAUNA OF AILSA CRAIG, FIRTH OF 

 CLYDE. By Thomas Scott, F.L.S. Trans. Glasg. Nat. Hist. Soc., 

 vol. v. pt. ii. (1897-98), pp. 153- 158. --Treats of the Mollusca, 

 Crustacea, and Insecta. 



OCCURRENCE OF SIREX GIGAS, LINN., IN ARRAN AND BUTE. 

 By J. Ballantine. Trans. Glasg. Nat. Hist. Soc., vol. v. pt. ii. 

 (1897-98), pp. 187-189. 



ENTOMOLOGICAL NOTES FROM GLEN LOCHAY AND LOCH TAY, 

 INCLUDING RECORD OF AN OXYETHIRA NEW TO BRITAIN. By 

 Kenneth J. Morton, F.E.S. Ent. Mo. Mag. (2), vol. x. pp. 53-55 

 (March 1899). Twenty species of Lepidoptera, Neuroptera, and 

 Trichoptera are noted as observed or captured during July 1898. 

 The new species is Oxyethira simplex, Ris. 



THE LEPIDOPTERA OF OBAN AND DISTRICT. By W. G. Sheldon. 

 Ent. Record, vol. xi. pp. 13-14 (January 1899). Notes on thirty-one 

 species captured in July 1898. 



ClDARIA RUSSATA SINGLE-BROODED IN SCOTLAND. W. G. Sheldon. 



Ent. Record, vol. xi. pp. 55, 56 (February 1899). From observations 

 made upon specimens captured near Oban, it seems doubtful if either 

 this species or C. immanata have more than one brood in Scotland. 



Two SPECIES OF EPHEMERID/E NEW TO BRITAIN. By C. A. 

 Briggs, F.E.S. Ent. Mo. Mag. (2), vol. x. pp. 68, 69 (March 1899).- 

 Leptophlebia meyeri, Etn., taken in June 1898 above the Black 

 Wood near the lochan called Rusg-a-Bhiora, near Loch Rannoch ; 

 Ameletus inopinatus, Etn., taken on 8th June 1898 from a bush on 

 the shore of Loch Rannoch. 



ON THE BRITISH SPECIES OF THE DIPTEROUS GENUS LOXOCERA, 

 MG. (FAM. PSILID^) WITH THE DESCRIPTION OF A NEW VARIETY. 

 By Ernest E. Austen. Ent. Mo. Mag. (2), vol. x. pp. 65-68 (March 

 1899). The new variety is named Loxocera aristata, var. Yerburyi. 

 It was obtained at Kingussie (three examples) and Nethy Bridge 

 (two examples), Inverness-shire, by Colonel Yerbury, in July and 



