INVERTBBRATA. 295 



Thomson, James, and Prof. H. AUeyne Nicholson. Contributions 

 to tlie Study of the Chief Generic Types of Palujozoic Corals. 

 Annals, ser, 4, vol. xvii. pp. 60-70, 123-128, 290-305,451-402, 

 <k vol. xviii. pp. 98-73, pis. vi.-viii., xii., xiv.-xvii., xxi.-xxv., <fe 

 vol. xviii. pis. i.-iii. 

 A continuation of a paper noticed in the Geological Record for 1875, 

 p. 323. Describe and illustrate the structural characters of the fol- 

 lowing previously established genera : — Gyathophyllum^ CampophylJumj 

 Diphypkyllum, LopJiophyllam,, Lithostrotion, Lo)isdaleia, Clisiophyllum, 

 Jihodophyllum, and Aspidophyllam. The following types are described 

 as being of generic or subgoneric value : — Konmckophyllam, Acrophyl- 

 iam. and Dibanophyllum. H. A. N. 



Trautschold, H. Erganzung zur Fauna des russischen Jura. [Sup- 

 plement to the Russian Jurassic Fauna.] Pp. 35 ; 6 pis. St. 

 Petershury . 



Tribolet, M. de. Description de quelques especes de crustaces deca- 

 podes du Valangiuien, Neocomien et Urgonien de la Haute-Marne, 

 du Jura, et des Alpes. [Decapod Cinistacea of L. Cretaceous of E. 

 France and Switzerland.] Bull. Soc. Sci. Nat. NeuohcUel^ t. x. 

 cah. 3, pp. 294-303, pi. i. 

 Describes and figures 8 species, of which Oallianassa spinosa, Hoplo- 

 paria minima^ Prosopon Ren^vieri^ and an indeterminate claw are new. 



Note sur le genre Posidomya, et en particulier sur les P. 



alpina, Gras, et P. ornata, Quenstedt, suivie d'une liste des Posi- 



donomyes jurassiques. [The Genus Posidonomya^ especially P. 



alpina and P. ornata^ with a list of the Jurassic species.] Journ. 



Oonchyl. ser. 3, t. xvi. pp. 247-257. 



Gives a history and description of the genus, remarking that most of 



the species have been hitherto mistaken for Esthence. Considers P. 



Bromii and P. Buchi distinct from P. alpina^ but P. ornata identical 



with the last. C. P. G. 



Tromelin, Gaston le G. de, and Panl Lebesconte. [Silurians of 

 W. France.] Compt. Rend. Assoc. Fran^. 1875. Title on p. 118. 



Describes 88 species, of which the following are new : — Asaphus 

 ai'moricanus, Oytheropsis subtestis, Lyrodesma armoricana., Modiolopsis 

 Cailliaudi, Orthoceras Ohalmasi, Encrinites Andeyavensis, Petraia ? in- 

 solita. Also 3 new species of plants, Rysophycus armoricanus^ Batho- 

 trephis Sionensis, and Fucoides Bossei. A list of species is added from 

 Cabrieres (Herault) and St. Beat (Haute-Garonne). W. H. D. 



Presentation de Fossiles Paleozoiques du Departement d'llle- 



et-Vilaine et Note Additionnelle sur la Faune Silurienne de TOuest 

 de la France. [Palaeozoic Fossils of Ulo-et-Vilaino and Silurian 

 Fauna of W. France.] Compt. Rend. Assoc. Fran^. for 1875, 

 p. 683. 



