ADDENDA. ' 897 



Swanston, W. Graptolites, with special reference to those found in 



County Down. Proc. Belfast Field Club, ser. 2, vol. i. pt. ii. 



pp. 115-117. [Abstract.] 



Mr. Lapworth, from specimens sent, regards the black shales as 



equivalent to the Birkhill Beds of Scotland, the Coniston mudstones of 



Westmoreland, and Lower Llandovery of Wales. The author has found 



3 Crustacea in them, and 12 species of Graptolites. W. H. D. 



Symonds, Rev. W. S. A Lecture on the Geology, Topography, 

 Archaeology, &c. of the neighbourhood of May Hill and Ross, 

 given on the occasion of the Club visiting this locality. Trans. 

 Woolhope Field Club, 1872, pp. 72-78. 



Trautschold, H. Briefe aus dem Ural. [Notes of a Trip to the Ural.] 

 Bull. Soc. lynp. Nat. Mosc. t. xlix. pp. 110-140. 



Trentinaglia-Telvenburg, J. R. von. [W. Tyrol : full title, p. 103.] 

 Gives a detailed description of the physical features of the country 

 and its glacial system. The chapter specially devoted to geology (pp. 

 122-137) is divided into a "general" and a "special" part. The 

 latter describes the rocks of the district as follows : — 1. Mica schist ; 

 2. Gneiss : a. " Eye-gneiss " (Augengneiss), a porphyritic gneiss, with 

 large lenticular masses of orthoclase; b. Granulite gneiss; c. Mica- 

 gneiss ; d. Quartz-gneiss ; e. Protogine-gneiss ; /. Micaceous iron- 

 gneiss. 3. Hornblende schist ; and 4. Allg'du beds, probably Jurassic. 

 Also mentions the occurrence of granite, serpentine, spilite-diorite, 

 Steinberg limestone (L. Lias), and gypsum. F. W. E. 



Tribolet, M. F. de. Note sur les Mineraux et Roches recueillis dans 



la Partie Nord de I'Abyssinie, par M. P. Traub. [N. Abyssinian 



Minerals and Rocks.] Pp. 5. Published with Bull. Soc. Sci. 



Nat. Neuchdtel, t. x. cah. 2. 



Gives the Abyssinian rock-series, and the crystaUographic formula of 



pegmatite and desmin. 



. Note sur les Depots Erratiques de la rive sud du Lac de 



Thoune et de la Vallee de Saseten. [Drift of the Lake of Thun.] 

 Pp. 8. Published with Bull. Soc. Sci-. Nat. Neuchdtel, t. x. cah. 2. 

 Notes Geologiques et Paleontologiques sur le Jura Neu- 



chatelois. [Geological and Palaeontological Notes on the Neu- 



chatelese Jura.] Pp. 20. Published with Bull. Soc. Sci. Nat. 



Neuchdtel, t. x. cah. 2 [continued from 1874]. 



4. On some Callovian deposits in the Neuchatelese and Yaudois Jura, 



pp. 1-12 ; 5. On Homomya Marls occurring at Chaux de Ponds, pp. 



13-16 ; 6. On the Virgulian of the Brenets, pp. 17-19 ; 7. Correction 



to article No. 2 (see Geological Record for 1874, p. 103), p. 20. Lists 



of fossils are given in nos. 4, 5, 6. W. H. D. 



Whittlesey, Col. C. Coal Seam No. 6. Ohio Geology. Proc. Boston 



Soc. Nat. Hist. vol. xvii. pp. 183-200. 

 Stratigraphical details. 



