72 LIST OF CONTRIBUTORS. 



Heilprin, Angelo. Continued. 



Notes on some new Foraminifera from the nummulitic for- 

 mation of Florida, P '84, 321 



Notes on the Tertiary geology and paleontology of the south- 

 ern United States. P '86, 57 



Vitality of Mollusea. P '86, 280 



On Miocene fossils from southern New Jersey. P '86, 351 



A new species of Aplysia. P '86, 364 



A new species of catfish, (Ictalurus). P '87. 9 



Grampus rissoanus on the American coast. P '87, 49 



, Ovo-viviparous generation in Tropidonotus. P '87, 121 



The classification of the Post-Cretaceous deposits. P '87, 314 



Determination of the age of rock deposits. P '87, 395 



The Miocene Mollusea of the State of New Jersey. P '87. 397 



Contributions to the natural history of the Bermuda Islands. 



P 88, 302 

 On some new species of Mollusea from the Bermuda Islands. 



P '89, 141 

 — — ■ Mexican explorations. P '90, 191 



Barometric observations among the high volcanoes of Mexico, 



with a consideration of the culminating point of the North 

 American continent, P '90, 251 



The corals and coral reefs of the western waters of the 



Gulf of Mexico. P '90, 303 

 - The Eocene Mollusea of the State of Texas. P '90, 393 

 The geology and palaeontology of the Cretaceous deposits of 



Mexico. P '90, 445 



— Rate of coral growth. P '91, 75 



— Geological researches in Yucatan. P '91, 136 



Physiography of Greenland. P '91, 410 



— The Port Kennedy deposit, P '95, 451 



The Tertiary geology of the eastern and southern United 



States. J IX, 115 



See Peary, Robt. E., and Angelo Heilprin 



Helmuth, Chas. A. On Hydaticus zonatus. P '59, 164 



New species of Mordellistena collected in Illinois. P '64, 105 



New species of Mordellida? collected in Illinois. P '65, 96 



Hemphill, Henry. On the variations of Acmaea pelta, P '81, 87 

 Henry, Frederick I'. Remarks on Filaria. P '96, 271 

 Henry, Joseph. On Mviarohus cinerascens. P '70, Biol. 4 



