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Show 1322 BEPOBT OF THE CHIEF OF ENGINEERS. OBACULTDJE. 65. Graculus dilophus ( Sw.)- Double- crested Cormorant. A few of this species are said to pass the sammer on the lake, where, however, they do not breed. They appear to leave the lake early in October, and I saw none at the time of my visit Mr. Bidgway has identified the form from this region as the above j LABIOE. 1 66. Lotus delawfoensis Ord.- Ring- billed Gall. I shot a single immature rail on Lake Tahoe, November 1, which I refer with but little doubt to this species.- I am unable to state the numerical proportion which this bird bears to the next in this region during the late fall. According to Mr. Bidgway it should replace entirely in winter the next species. 67. Larus cdUfornicus Lawr.- Californian Gull. Of five gulls shot on Tahoe, about November 1, four appear to belong to this species. They unquestionably winter here. COLYMBID- E. 68. Colymbiu iorquaitts Brunn.-- Great Northern Diver. I saw a number of specimens in possession of Mr. McKinney, which he had shot on the lake in falL They do not appear to be very numerous. 69. Podioeps auritus ( L.), var. oalifomicus ( Heerm.)- American Eared Grebe. Very numerous all along the borders of Tahoe in fall. So utterly fearless and unsophisticated are they that they swim about the wharves, utterly regardless of the presence of humans but a dozen or twenty feet away. I APPENDIX J. REPORT UPON THE HEMIPTERA COLLECTED DURING THE YEARS 1874 AND 1875, BT MR. P. R. UHLER. PEABODY INSTITUTE, BALTIMORE, MD., JKiirc* 24, i877. SIR : I have the honor to transmit the following report upon the Hemiptera collected by the expedition during the years 1874 and 1875. Very respectfully, your obedient servant, P. B. UHLBR. Lieut. GEO. M. WHEELER, Corps of Engineers, in charge* HETEROPTERA. SUBFAMILY EURYGASTRINJE. Eurygaster, Lap. E. alternates. Tetyra alttrnata, Say; Amer. Ent. iii. tab. 43, fig. 3. Eurygaster alurnatus, Dallas; Brit. Mas. List. Hemipt. i, p. 47, No. 1. San Ildefonso, N. Mex.. September, 1874, collected by Dr. H. C. Yarrow; also, near Colorado River, California, July 20, by William Somers. |