294 PIL^ONTOLOGT. 



KicJcsii, T. . hisinuata, TerehratuUna Putoni, and Crania Nysti. All 

 the above-mentioned species are figured ; and Crania Nysti, Mannia 

 Nysti, and BhyncJionella Nysti are described as fully as the materials 

 allow. Concludes with a short appendix on Terebratula carneoides 

 and Argiope Clevei, from the Tertiary beds of St. Bartholomew, West 

 Indies. Both species are figured ; and the latter is described for the 

 first time. H. A. N. 



Davibson, Thomas, and Prof. William Kii^g. On the TrimereUidae, 

 a PalsBozoic Pamily of the Palliobranchs or Brachiopoda. 

 Quart. Journ. Geol. Soc. vol. xxx. pp. 124-173, pis. xii.-xix. 



Begins with a bibliography of the Trimerellids. The next section 

 deals with the nature of the internal parts of these Brachiopods ; and 

 section 3 is concerned with their myology, and with the characters of 

 the hinge, pedicle, and other structures of the animal. Section 4 treats 

 of the affinities of the TrimereUidce, the authors coming to the con- 

 clusion that the family is most nearly related to the Lingulidce, and 

 that they belong to the Inarticulata (Tretenterata), in which .the 

 intestine ends in a distinct vent. Section 5 relates to the geological 

 range, chronogenesis, and evolution of the family, all the species of 

 which are found in the Cambro-Silurian (Lower Silurian) and Silurian 

 (Upper Silurian) formations. Section 6 discusses the physiography of 

 the seas tenanted by the Trimerellids as compared with that of the 

 Cambrian seas ; and in section 7 the authors give a diagnosis of the 

 family. The remaining sections treat of- the characters of the genera 

 and species of TrimereUidce. Three genera, viz. Trimerella, Mono- 

 onerella, and Dinoholus, are recognized ; and the following species are 

 fully described and illustrated : — Trimerella grandis (Guelph 

 Formation) ; T. acuminata (Guelph Formation) ; T. Lindstrdmi (U. 

 Silurian of the Islands of Gotland and Faro) ; T. Billingsii (Guelph 

 Limestones); T.(J) (rctZ^gnsis (Guelph Formation) ; T. Ohioensis (Nmgarsb 

 Limestone of Ohio, and Guelph Limestones of Canada) ; T. Dalli 

 (Guelph Formation) ; T. Wisbyensis (XJ. Silurian of Gotland) ; Mono- 

 merella prisca (Guelph Formation) ; M. Walmstedti (U. Silurian of 

 Gotland and Faro) ; M. Lindstrdmi (TJ. Silurian of Gotland) ; M, 

 orbicularis (Guelph Formation) ; Dinobolus Conradi (Upper' part of 

 Niagara Limestone) ; D. Davidsoni (Wenlock Limestone, Dudley) ; 

 D. Canadensis (Black-Hiver Limestone) ; D. transversus (Wenlock Lime- 

 stone, Dudley) ; D. Woodwardi (Wenlock Limestone, Dudley) ; D. 

 magnificiis (Black-River Limestone) ; D, Schmidti (L. Silurian, Eussia.) 



In an appendix the authors discuss the affinities of Lingulops Whit- 

 jieldi and Chelodes Bergmani. H. A. N. 



Decock, — . Description des Inocerames de la Craie de Lezennes. 



[Descriptions of the Inocerami of the Lezennes Chalk.] Ann. Soc. 



Geol. Nord, 1870-74, pp. 82-84. 

 Seven species are described, the following being new : — /. insulensis^ 

 I. Lezennensis, I. Gosseleti, Moulle, near St. Omer. G. A. L. 



