scholarly journals Contribution to a Knowledge of the North American Fresh-water Ostracoda Included in the Families Cytheridae and Cyprididae

1897 ◽  
Vol 4 (1-15) ◽  
pp. 415-482 ◽  
Author(s):  
Richard Sharpe

The present paper has been prepared in the course of work at the University of Illinois for the degree of master of science in zoology. In addition to extensive collections of Entomostraca made at the Biological Station of the University of Illinois, situated at Havana, on the Illinois River, I have been able, through the kindness of Dr. S. A. Forbes, to examine all the accumulations in this group made by the Illinois State Laboratoryof Natural History during the last twenty years,and covering a territory little less than continental.

1895 ◽  
Vol 4 (1-15) ◽  
pp. 138-148 ◽  
Author(s):  
Frank Smith

Several species of Oligochseta were collected by the writer during- the past summer at the Biological Station upon the Illinois River, at Havana, founded early in the present year by the University of Illinois, with Prof. S. A. Forbes as Director. Since it will be several months before a full report on the Oligochaeta can be prepared,it seems best to publish this preliminary account of the larger forms collected.


1898 ◽  
Vol 5 (1-12) ◽  
pp. 301-388 ◽  
Author(s):  
Adolph Hempel

The material studied in the preparation of this paper was collected at the Biological Experiment Station established on the Illinois River, at Havana, April 1, 1894, by the University of Illinois and the Illinois State Laboratory of Natural History.


1895 ◽  
Vol 4 (1-15) ◽  
pp. 149-273 ◽  
Author(s):  
C. A. Hart

This paper gives a part of the results of our observation and study of the insect fauna of the Illinois River and adjoining waters in the neighborhood of the University of Illinois Biological Experiment Station, at Havana, Illinois, during the first year of the Station work, as a preparation for further and more detailedobservations in the same field. In order to make the account more complete and useful to Illinois students, and to give a general view of the relations of the species studied to the aquatic fauna of the State as a whole, the data concerning these forms afforded by the note boxes and general collections of the State Laboratory of Natural History are also here included.


1871 ◽  
Vol 8 (80) ◽  
pp. 60-65 ◽  
Author(s):  
George Stewardson Brady ◽  
H. W. Crosskey

We are indebted for the material from which the following notes have been compiled to Principal Dawson, of Montreal, and to the Secretary of the Portland Society of Natural History, to whom our best thanks are due for the opportunity thus afforded us of comparing the fossils of the North American Clay Beds with those of our own country. By carefully washing theclays kindly forwarded to us, we have obtained many specimens in excellent condition for examination.


1897 ◽  
Vol 29 (3) ◽  
pp. 56-56
Author(s):  
William H. Ashmead

The interesting new species of water-bug described below was received some time ago from Abbé P. A. Bégin, of Sherbrooke, Canada. It was captured swimming on a fresh-water stream some little distance above Sherbrooke, and is of more than ordinary interest, from the fact that it belongs to the genus Halobatopsis, Bianchi, a genus not yet recognized in the North American fauna, and only recently characterized, being based upon the South American Halobates platensis, Berg., also a fresh-water species.


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