92 SAN DIEGO SOCIETY OF NATURAL HISTORY 
REED ( F. R. Cowper)—Continued 
The author compares B. formosus Bill. B. expansus Bill. and B. brevispinus Ray- 
mond. Bathyurus cf. Timon Bill., B. aff. nero Billings. 
Pliomera pseudoarticulata Port. Encrinurus octocostatus sp. noy. Phacop (Chasmops) 
aff. Odini Eichwald. 
Sedgwick Museum Notes. Dionide atra, Salter. 
Geol. Mag., Decade 5, No. 5, vol. 9, p. 200, plate 11. 
The author includes the Trinucleus Ramsayi Hick., 1875, under this species. The 
author remarks the many points of afhnity 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. nov. 
The author remarks: T. ornatus (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. 
Acidaspis semievoluta sp. nov. Homalonotus ascriptus sp. nov. 
Ostracoda: Beyrichi (Ceratopsis) duftonensis sp. nov., B. (Ctenobolbina) 2? super- 
ciliata sp. nov., B. (Tetradella) Turnbulli sp. nov. 
Sedgwick Museum Notes. On the genus Trinucleus. 
Geol. Mag. Decade v, vol. 9, p. 346, pl. 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 hands and the position of the girder. 
The plate illustrates Trinucleus concentricus Eaton, T. hibernicus, T. fimbriatus 
Murch., T. seticornis His., T. Nicholsoni Reed, T. subradiatus Reed, T. favus Salter 
and T. Murchisoni Salter. 
Sedgwick Museum Notes. On the genus Trinucleus. 
Geol. Mag., Decade 5, vol. 9, pp. 385-394, pl. 19, part 2, 1912. 
The author figures the upper and lower surface of fringe of five species of the genus 
Trinucleus. 
Trinucleus hibernicus Reed, T. fimbriatus Murch., T. Murchisoni Salter, T. Nichol- 
soni Reed and T. seticornis Hisinger. 
Reid (James) and Macnair (Peter). On the genera Psilophyton, 
Lycopodites, Zosterophyllum and Parka decipiens of the Old Red Sand- 
stone of Scotland, their affinities and distribution. 
Trans. Edinb, Geol. Soc., vol. 7, 1899, pp. 368-380. 
Remelé (A.) Zwei neue Trilobiten aus undersilurischen Diluvial 
Ceschieben von Eberswale. 
Zeitschr. Deutsch Geol. Ges., vol. 37, 1885, p. 1032. 
Rhinaspis erratica n. sp. and subgen. of Meglaspis. 
Hydrocephalus Hauchecornei gen. et sp. noy. of Ampyx. 
Remes (\M. Poznamky). Trilobitech Celechovského Deyvonu. 
Prostejove, 1913. 
The author describes Bronteus granulata Goldf. Lichas cf. armata Goldf. Cyphaspis 
ceratophthalmoides Rud. Richter. Proetus moravicus Smycka. Schizoproetus celecho- 
vicensis Smycka (emend Rud. Richter). 
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