VOL. 101 



218 PROCEEDINGS OF THE NATIONAL MUSEUM 



Records.— 1 have examined material from : Napaeozapus insignis 

 insignis, Mount Katahdin, Windy Pitch, Maine, August 27, 1928. 

 Myotls liwifugus Iwifugus, Mount Katahdin, Basin Ponds, Mainej 

 September 7, 1928. Microtus pennsylvanicus pennsijlvanicus^ West 

 Fahnouth, Mass., June 8, 10, and 14, 1936; Edgartown, Mass., April 

 22, 1933; Squibnocket, Mass., June 11, 1936; Nantucket, Mass., June 

 13, 1936 ; Temagami, Ontario, June 28, 1934, and August 17, 1934 ; Erie 

 County, N. Y., August 29, 1945. Microtus montanus, Oconalufty 

 Kiver, N. C, April 18, 1931. Microtus oregoni, Quillayute, Wash., 

 May 7, 1930. Microtus sp., Uniat, Alaska, June 6 and 18, 1947. Oleth- 

 rionomys gapperi ochra^eus, Mount Katahdin, Chimney Bend, Maine, 

 August 27, 1928; Mount Katahdin, Togue Ponds, Maine, August 26' 

 1928; Mount Katahdin, North Basin, Maine, September 1, 1928. 

 Clethrionomys gapperi, Mount Watatic, Ashburnham, Mass., October 

 12, 1927. Tamiascuirus hudsonicus nest, Long Lake, N. Y., July 26, 

 1926. Pitymys pirwtorum, Point Abino, Welland County, Ontario,' 

 September 4, 1945. Lepus americanus, Pancake Bay, Algoma, On- 

 tario, July 12, 1932. Clethrionomys gapperi, Wayne County, Pa., 

 July 9, 1945 ; Crawford County, Pa., September 12, 1945. Peromyscus 

 maniculatus gracilis, Temagami, Ontario, September 8, 1934. Blaritm 

 hrevicauda talpoides. Jay Peak, Vt., August 17, 1927; Morgan, Utah, 

 August 31 and September 8, 1932; Ithaca, N. Y., August 30, 1936.' 

 Blarina hrevicauda, Point Abino, Welland County, Ontario, August 

 28 and 30, and September 4, 7, 11, and 13, 1936. "Meadow Mouse," 

 Nantucket, Mass., August 31, 1936. "Field Mouse," Lake County, 

 Mmn., April 22, 1931. Host not given, Takotna, Alaska, June 11, 

 1935; Urbana, 111., October 18, 1937. "Pine Mouse," Chevy Chase 

 Md., June 7, 1932. 



Type.—On^ female (U. S. N. M. No. 947) collected by A. H. Twit- 

 chell, July 23, 1924, on Microtus sp. at Crater Mountain, Ophir 

 Alaska. ' 



HAEMOGAMASUS MANDSCHURICUS Vitzthum 

 FiGXJKE 44 



^""^pp.^Tm JgTlitTgsr ^'''^^°^^' 2««^- J^^^b- (Abt. Syst.), vol. 60, 



Female.— Most dorsal setae barbed ; usual pair of apical setae barbed 

 and flanked by smaller setae, which are also barbed. Setae in apical 

 region larger than those on remainder of shield. Setae on posterior 

 portion of shield 6/^ to 20^ apart and about 45/. in length. A pair of 

 pores flank posterior end of shield. Setae of unprotected dorsal in- 

 tegument barbed and larger than those on shield, particularly at the 

 posterior body margin where one or two pairs are distinctly larger 

 than others of the region. Lacinae of tritosternum barbed. Presternal 

 area distinctly sculptured with spines on all sutures. Sternal shield 



