76 LIST OF CONTRIBUTORS. 



James, Thomas P. An enumeration of mosses detected in the 

 northern U. S. which are not comprised in the Manual of Asa 

 Gray, M. D., some of which are new species. P '54, 444 



See Durand, Elias, and Thomas P. James 



Jarvis, N. S. On Indian dogs. P '51, 149 



Jefferis, W. W. A new locality for fluorite. P '80, 243 

 ■ A new locality for amethyst. P '80, 280 



A new corundum locality. P '80, 280 



Sunstone in labradorite. P '80, 292 



Menacoanite and talc from Maryland. P '80, 292 



Quartz crystals from Newark, Del. P '82, 57 



A peculiar twinned garnet. P '82, 58 



See Rand, Theo. D., and W. W. Jefferis 



Jennings, H. S. Behavior of sea-anemones. P '05, 754 



Jessup, A. E. Geological and mineralogical notice of a portion 



of the northeastern part of the State of New York. J ii, 185 

 Johnson, Charles W. List of the Diptera of Jamaica, with de- 

 scriptions of new species. P '94, 271 



Diptera of Florida. P '95, 303 



— — Diptera collected by Dr. A. Donaldson Smith in Somaliland, 

 Eastern Africa, P '98, 157 



New Cretaceous fossils from an artesian well-boring at Mount 



Laurel, N. J. P '98, 461. 



New and interesting species in the "Isaac Lea collection of 



Eocene Mollusca." P '99, 71 



Annotated list of the types of Cretaceous invertebrate fossils 



in the collection of the Academy of Natural Sciences of Phila- 

 delphia. P '05, 4 



Johnson, C. W. and A. W. Grabau. A new species of Clavilithes 

 from the Eocene of Texas. P '01, 602 



Johnson, Christopher. Sections of hard tissues and other sub- 

 stances for the microscope. P '69, Biol. 5 



— — Case of hypospadias. Male hernia phrodism. P '70, Biol. 7 



Johnson, Walter R. Observations on the electrical character of 

 caoutchouc or gum elastic; with some applications of which they 

 are susceptible. J vi, 245 



On the fusing point of zinc and a reference to the relation 



between the tenacity and fusibility of metals in general. 

 J vii, 200 



Observations on the effects of a remarkable atmospheric cur- 



rent or storm as witnessed on the day following its occurrence. 

 J vii, 269 



