78 CALIFORNIA ACADEMY OF SCIENCES. 



Grewingk (C.) Geologie von Liv- und Kurland. 



In Archiv Natur. Liv-, Ehst- u. Kurl., Dorpat, vol. 2, pt. 3, 1861, p. 

 479, 4 pis. 



Contains list of fossils. 



Griffith (Richard). 



Two important works on the paleontology and geology of Ireland were 

 prepared under the direction of Mr. Kichard Griffith, by Frederick McCoy, 

 who will be counted as the author, although Mr. Richard Griffith was the 

 collector of the specimens and the financial supporter of the publications. 



The contributions on the Paleozoic Crustacea are given under McCoy 

 (Frederick) in this work. 



Grote (A. R.) and Pitt (W. H.) New specimens from 

 the Water Lime group at Buffalo, N. Y. 



In Proc. Am. Assoc. Adv. Sci., 26th meeting, Nashville, 1877, p. 300. 

 Pterygotus cummingsi n. sp. 



- Description of a new Crustacean from the 

 Water Lime group at Buffalo. 



In Bull. Buffalo Soc. Nat. Sci., vol. 3, 1875, p. 1. 

 Eusarcus n. g., E. scorpionis n. sp. 



On new species of Eusarcus and Pterygotus 



from the Water Lime group at Buffalo. 



In Bull. Buffalo Soc. Nat. Sci., vol. 3, 1875, p. 17, plate. 

 Eusarcus scorpionis G. & P., E. grandis n. sp. Pterygotus cummingsi 

 G. & P. 



Gruenwaldt (M.) Beitrage zur Kenntniss der sedi- 

 mentaren Gebirgsformationen des Ural. 



In Mem. Acad. Sci. St.-Petersbourg, 7th series, vol.2, No. 7, 1860, 6 pis. 

 Phillipsia derbyensis Mart. ? P. indeterminata n. sp. Leper ditia biensis 

 11. sp. 



Guettard (E .-T. ) Memoire sur les ardoisi^res d'Angers . 



In Mem. Acad. Sci. Paris, 1757, p. 52, pis. 7-9. Eeprint: Amsterdam, 

 1768. 



The author in his memoir 011 the geology of Angers gives descriptions 

 and figures of several Trilobites. These were afterwards described by 

 Alex. Brongniart under the genus Ogygia and named by this author Ogy- 

 gia guettardii and 0. desmarestii, 



The author describes three Trilobites which are referred to the modern 

 genera of Ogygia guattardi Brong., 0. desmaresii Brong. ( Ittwnus gig ante ux 

 Burm.), and Calymenc tristani Brong. 



