BALTIC REGION 617 



Sars., and Orihis argentea His. These represent the Chasmops horizon 

 of the Swedish succession. Between these two outcrops Tullberg records 

 shales with Climacograptus rugosus Tull. and CI. cf. ccelatus Lapw. (that 

 is, zone of Dicranograptus cling ani Carr. ) , but these have not been found 

 by later observers. In any case the beds recorded above the Orthoceras 

 limestone in this brook belong to the Lower Hartfell horizon or the Mid- 

 dle Dicellograptus beds of Scania. 



The Lower Dicellograptus shales are exposed in the Kyrkbacken 

 (Church Brook) about 500 meters east of the Orthoceras limestone out- 

 crop above mentioned. They dip here at an angle of 40° south, with a 

 strike of north 80° east, which would bring them, as well as the under- 

 lying Upper Didymograptus beds, above the Orthoceras limestone and 

 below the Orthis shales of the Mill Brook section. The section is appar- 

 ently a continuous one, the Upper Diclymograptus shales with D. geminus 

 being succeeded by the Lower Dicellograptus shales with Climacograptus 

 scliarenbergi Lapw., Diplograptus teretiusculus His., Dicellograptus mof- 

 fatensis Carr., Dicellograptus sextans Hall, Glossograptus sp. Corynoides 

 calicularis Mch., and Primitia strangulata Salter; also the trilobite 

 Robergia micro plitlialmus (Linrs.). Since it is not likely that the Ortho- 

 ceras limestone dies out in so short a distance, it must be cut out by a 

 fault in the present section, where the Brachiopocl shales (uppermost 

 Ordovicic) come in after only a short interval, though some of the inter- 

 vening Orclovicic beds are faulted in again beyond this point. 



Tosterup. — The estate of Tosterup lies in the southeastern part of the 

 Scanian Paleozoic belt, about 12 kilometers north -northeast of Ystad. 

 The base of the Ordovicic is here the Dictyonema shales which succeed 

 the Peltura zone of the Upper Cambric. ISTo representative of the Cera- 

 topyge beds is found in this region which corresponds thus essentially to 

 the development at Jerrestadt-Tommarp, in East Scania. The Lower 

 Didymograptus shales are poorly exposed, but seem to be conformably 

 succeeded by Orthoceras limestone, which here, as at Tommarp, belongs 

 to the lower division. In it have been found Nileus armadillo Dalm., 

 Megalaspis (planilimbata Ang. ?), Agnostus sp., and Orthoceras sp. That 

 higher members of the Orthoceras limestone series may be present is indi- 

 cated by the fact that Tullberg lists from this rock Symphysurus palpe- 

 brosus Dalm., Cheirurus clavifrons Aug., and Illcenus esmarlci Schloth, 

 species occurring in the Upper Orthoceras or Asaphus limestone of West- 

 ergotland and elsewhere. 49 Beds believed to be those of the Trinucleus 

 coscinorhinus zone with Ampy.v rostratus have been reported above the 



40 Symphysurus palpchrosus occurs, however, in the Orthoceras limestone of Bornholra 

 with Megalaspi-s limbata. 



