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FIELDIANA: ZOOLOGY, VOLUME 42 



which are minute medially, long and serrate along the margin of 

 the plate. The sternal plate is wider than long and has the usual 

 3 pairs of setae. The epigynial plate is greatly expanded, with a 

 nearly straight posterior margin; the paired setae II, III and IV are 



Fig. 35. Haemolaelaps bibhyi, female: A, anterior portion of dorsal plate; 

 B, posterior portion of dorsal plate; C, venter. 



outside the plate. The anal plate is triangular and narrowly sepa- 

 rated from the epigynial plate; the adanal setae are posterior to the 

 anal opening and reach the base of the postanal seta. The ventral 

 setae adjacent to the epigynial and anal plates are long and serrate. 

 Specimens examined. Mindanao: Eastern slope of Mount Apo, 

 2800 ft. elevation, October 27, 1946 (H. Hoogstraal), 2 females, ex 

 Rattus everetti. 



Family HAEMOGAMASIDAE Oudemanns, 1926 

 Genus Haemogatnasus Berlese, 1889 



Haemogamasus quadrisetatus Vitzthum. Figure 36, A-D. 



Haemogamasus quadrisetatus Vitzthum, 1926, Treubia 8: 52 (female, ex Mus 

 lepturu3; Java; illus.); Asanuma, Jameson, and Sekikawa, 1952, Misc. 

 Rept. Res. Inst. Nat. Res., no. 26, p. 71 (female, ex Apodemus speciosus 

 (Pallas), Urotrichus talpoides hondonis Thomas; Japan; illus.). 



