Kansas Dniversih Science Bclletin. Vol. Ill, No. 8. APRIL, 1906. 1 vo^ xiiPno^I: KANSAS APHIDID^l. WITH CATALOGUE OF NORTH AMERICAN APHIDID5; AND HOST-PLANT AND PLANT-HOST LIST, PART II, BY CHARLES EMERSON SANBORN. ERRATA TO PART I. ( Vol. Ill, pp. 1-82.) Page 8, line 4 from bottom, read inferior instead of ' ' superior. ' ' Pages 9 and 10, Color Key and Measure Key are now combined in Blank Key, which is inserted. Page 13, foot-note 8, omit "genus" and "sp." Page 14, insert, as line 1, Pulvius probosceus, n. g. and sp. Page 17, Hart instead of "Hartig." Page 18, Pemphigus populitransversus Riley instead of "burrowi. " Page 19, line 9, omit " honey-tubes and style are absent." Page 27, after "limbs," in next to last paragraph, insert "of apple (Malus malus L.)" Page 28, after "dogwood," in line 17, insert "(Cornus asperifolia Michx.) Page 29, line 11, omit " i " in Colophia. Page 29, Burmeister instead of ' ' Bermeister. ' ' Page 33, Buckton instead of ' ' Buckston. ' ' Page 34, Chaitophorus. Plate VII, fig. 43, n. sp. Page 36, for ' ' stevensis n. sp. ' ' read populifolia Fitch. Page 37, in line 14, after "gall," omit remainder of sentence. Page 37, read new genus instead of ' ' Chaitophorus, ' ' in third line from bottom. Page 54, under "Aphis brassicae, " line 9, omit remainder of sentence: "Total length," etc. Page 62, third line from bottom, omit "Koch." Page 67, third word is basal ; and instead of ' ' Nectarophora, ' ' eighteenth and nineteenth lines, read Macrosiphum. Page 71, tenth line, for "Macrosiphum " read new genus. Page 72, in third line : Mr. Theo. Pergande did not have sufficient ma-terial perhaps for identification. Since getting additional notes he thinks it may be a new genus. In line 7, for " anomalous " read curious. In line 17, after "could," insert "with exception of honey-tubes." Page 73, line 3, read is instead of ' ' seems to be. ' ' (225)