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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.

This species has been reported from England (Brady) and Germany (Lienenklaus. Ilartwig. and Midler, G. W7). Not heretofore reported from America. Rather sparsely found in the shallower parts of a swamp near a small branch of the Elizabeth River, northwest of Roselle Park. New-Jersey, March 28, U)0S. Subfamily OYPRIDIN.l-:. 3. CYPRIS O. F. MUller, 1792. 3. CYPRIS FUSCATA (Jurine).

Place your drawing or drawings in this space so as to make a symmetrical arrangement. If only one drawing is made, then place it a little to the right of the middle of the page, remembering that about an inch of the left edge of your page is lost in the binding together of the sheets.Every part of the drawing should be named by means of a series of labels.Indicate each part or structure that you wish to call attention to by means of a broken line running from the part to be labeled outward on the paper outside the drawing.At the outer termination of this line place either a number or a letter which will be repeated in the index below and which will there serve to identify the part shown in the drawing. Indicate exactly where the other end of the dotted line ends by a tiny cross.The index or table of contents at the foot of the page should be neatly printed ; if possible, an equal number of figures or letters should be placed on each side of the vertical line which divides the index into a right and left half. If the number of parts labeled in the drawing is unequal, then the last or odd label should be placed in the space at the bottom of the dividing line, thus insuring a neat and symmetrical page. Index orTable of Contents OF THE UNIVERSITY ] 15 OF Date Title of Experiment Name of pupil Problem. State here exactly the question you are trying to solve. 10. Boards of Trade and their work. 11. Cotton and its part in the development of the United States. References Hunter, Essentials of Biology. Chap. V. Osterhout, Experiments with Plants. Chap. VII. Hodge, Nature Study and Life.Rusby, "Wild Foods of November."

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