1886. | Recent Literature. 1035 
plant remains, furnish ‘five species of lamellibranchs, three of 
which are new. The lower marl beds are much richer, and from 
them Mr. Whitfield describes a new Pecten, an Amusium, a 
Trigonia, Gouldia, Lucina, Diceras and several other genera are 
also described. To the fauna of the middle marls are added a 
Modiola, a Cardita, two Crassatellze and one species each of Crio- 
cardium, Petricola, Veleda, Caryatis and Periplomya are added to 
the beds at the base of the upper marls, while fifteen new species 
enrich that of the Eocene marls. The concluding chapter con- 
tains an account of the Unionide from the clays at Fish House, 
Camden county, two new species are described. There are thir- 
ty-five full-page illustrations and a map. 
RECENT Books AND PAMPHLETS. 
Prestwich, T—On underground temperatures, etc. From the Proc. Roy. Soe. Lon- 
886. 
——On the agency of water in volcanic eruptions, 1886. Both from the author. 
Woodward, A. S.—On the relations of the mandibular and hyoid arches in a Creta- 
s shark. Ext. P. Z. S., London, 1886. From the author. 
Baur, G.—Ueber das Archipterygium und die Entwickelung des Cheiropterygium 
aus dem Ichthyopterygium. 
— Ueber die Kanäle im Humerus der Amnioten. Both from the author. 
Manigault, G. E.—The Black Whale captured in Charleston harbor Jan., 1880. 
Proc. Elliott Soc. From the author. 
“razer, P_—Report of the American Committee of the International Congress of 
Geologi Ext. P. A. A. A. S., Aug., 1886. From the author, 
Boettger, O.—Diagnoses Reptilium Novorum. Sep.-abd. a. d. Zool. Anz., No. 231, 
1886, 
— Zur Kenntniss der Neritinen Chinas. Ext. Jahrb. d. Deut. Malak. Gess., 1886. 
Both from the author. 
Marshall, W.—Ueber die Knéchernen Schadelhocker der Végel. Haarlem, 1872. 
Fiom the author. 
Leche, W.—Ueber einige siidbrasilianische Hesperomys-Arten. Sep.-abd. a. d. 
Zool, Jahrb., 1886. From the author. 
Walcott, C. D.—Classification of the Cambrian system of N, America, « Ext. Amer, 
_ Jour. Sci., Aug., 1886, From the author. 
Minot, C. S—Notes on histological technique. From the author. 
Call, E.,'and Pilsbry, H. A.—On Pyrgulopsis, a new genus of Rissoid mollusk, with 
descriptions of two new forms. From E, Call. 
Call, E.—On certain Recent Quaternary and New fresh-water Mollusca, Rep. 
Davenport Acad. Nat. Sci.. Vol. v, 1886. From the author, 
Hennessy, H.—On the fluid state of bodies composing our planetary system. Proc. 
Roy. Irish Acad., 1886. From the author. 
Ryder, J. A—An exposition of the principles of a rational system of oyster-culture, 
; Ext. Rep. Fish Com., 1886. 
——On the development of viviparous osseous fishes and of the Atlantic salmon. 
_ Proc. U. S. Nat. Mus., 1885. 
= — On the development of osseous fishes. Ext. Ann. Rep. Com. Fish, and Fish- . 
i eries, 1886. 
— The development of the Mad-minnow; etc. - 
