ARKIV FÖR ZOOLOGI. BAND 10. N:0 3. 



Fig. 3. Pygiopsylla pavida $ 



(^,1 $ host 35 = Petaurus 



breviceps. 

 $ host 51 = Pseudochirus 



herbertensis. 

 ^ host 22 = Pseudochirus 



herbertensis. 

 c?, 4 ? ? host 57 = Dactylo- 



psila picata. 

 $ 5 from Ringtail mice = Eu- 



dromicia macrura n. g. n. sp. 

 5 5 host 52 = Pseudochirus sp. 

 § host 31 = Dendrolagus Lum- 



holtzi. 

 (^ J* host 19 = Pseudochirus 



herbertensis. 



1 (^ host 21 = Pseudochirus lemuroides. 

 ^ <$ ($ from Pseudochirus herbertensis. 

 1 5 N:r 34 = Petaurus breviceps. 



1 5 from Pseudochirus herbertensis, May 1913. 



2 J^c?, 4 $5 froiii Pseudochirus herbertensis, July 1913. 



(Mus. Stockholm.) 



6. Pygiopsylla solida sp. nov. (textfig. 4). 



In the shape of the head 

 and the sexual armature near- 

 est to P. hilli Roths. (1904), 

 but differs from that speeies 

 in the proboscis not reaching 

 to the apex of the forecoxa, 

 in the less numerous bristles 

 on the abdominal sternites, in 

 the movable process F of the 

 clasper being broader than the 

 non-movable process P, in the 

 ninth sternite bearing numer- 

 ous short spinelike bristles at 

 the ventral margin, etc. 



Head. The fröns recedes 

 but slightly ventrally, being 

 evenly curved; it bears an 

 anterior row of 6 or 7 slender rig. 4. Pygiopsylla solida ef. 



