92 SAN DIEGO SOCIETY OP NATURAI; HISTORY 



REED (F. R. Cowper)— Contin ued 



The author compares B. formosus Bill., B. expnnsiis Bill, and B. hrevi.^phnis Rav- 

 mond. Bathyurus cf. T'lmon Bill., B. aff. ttero Billings. 



Pliomera pseudoarth ttlntn Port. Eiuriiitin/s octocostatus sp. nov. Pliacop (Chasrnops) 

 aff. OJitt'i Eichwald. 



Sedgwick ]Mii.seuiii Notes. Dionidc afra, Salter. 



Geol. Mag., Decade 5, No. 5, vol. 9, p. 200, plate 11. 



The author includes the Trinucleus Ramsay'i Hick., 1875, under this species. The 

 author remarks the many points of affinity possessed by the head shield with other 

 genera, indicate the intimate relations of Dionide with Harpes, Harpides and Erinnys. 



New fossils from the Dufton Shale. 



Geol. Mag., Decade v, vol. 7, No. 5, 1910, p. 211, plates 16 and 17. 



Trinucleus Nicholsoni sp. no\'. 



The author remarks: T. oniatus (Sternb.) Barrande seems closely allied to our 

 Dufton species in the shape of the head shield, nuchal spine, pits in axial furrows, 

 tubercle on glabella, and radial arrangement of the pits on the fringe, but these pits 

 are more numerous and smaller. 



AiiJaspis sem'ie-voluta sp. nov.. Homalonotus ascriptus sp. nov. 



Ostracoda: Beyr'ulti (Ceratopsis) duftonens'is sp. nov., B. (Ctfuoholhiiui) ? supcr- 

 ciViata sp. nov., B. (Tciradella) Tur/ihulli sp. nov. 



Sedgwiek Alusemn Notes. On the genns Triniieleiis. 



Geol. Mag. Decade v, vol. 9, p. 346, pi. 18, 1912. 



The author discusses the fringe of Trinucleus, the double nature of the fringe, the 

 character of the pits, arrangement of the pits. Difference in the upper and lower sur- 

 faces of the fringe, the outer and inner bands and the position of the girder. 



The plate illustrates Trinucleus concentricus F.aton, T. Iiihcrnicus, T. fiinhriatus 

 Murch., T. seticornis His., T. Nicholsniti Reed, T. suhradiatus Reed, T. javus Salter 

 and T. Murc/iisoni Salter. 



• Sedgwick ^liiscum Notes. On tlie genus Tiiniicleiis. 



Geol. Mag., Decade 5, vol. 9, pp. 385-394, pi. 19, part 2, 1912. 



The author figures the upper and lower surface of fringe of five species of the genus 

 Trinucleus. 



Trinucleus hihernicus Reed, 7". fimhrititus Murch., T. Murcl/isoni Salter, T. Nichol- 

 soni Reed and T. seticornis Hisinger. 



Reid (James) and Macnair (Peter). On the genera Psilophyton, 

 Lycopodites, Zostero])hylluin and Parka decii)iens of the Old Ked Sand- 

 stone of Scotland, their affinities and distrihution. 



Trans. Edinb. CJeol. Soc, vol. 7, 1899, pp. 368-380. 



Remele (A.) Zwei nene Trilobiteii aiis nndersihirisehen Dihivial 

 Gesehieben Yon Eberswale. 



Zeitschr. Deutsch Geol. Ges., vol. 37, 1885, p. 1032. 



RJiinaspis erratica n. sp. and subgen. of Meglaspis. 



Hydrocephalus Hauciiecornei gen. et sp. nov. of Amipyx. 



Hemes (M. Poznamky). Trilohitecli OelechdYskrho DcYonn. 



Prostejove, 1913. 



The author describes Brouteus gr/inultita Goldf. l.ichtis cf. armata Goldf. Cyphaspis 

 ceratophthalmoidcs Rud. Richter. Proefus mora-vicus Smvcka. Schizoproetus celecho- 

 incensis Smycka (emend Rud. Richter). 



