( 332 ) 



one-half and the upper two-fifths the length of the middle one. The fifth hindtarsal 

 segment bears a subbasal pair of bristles on the ventral surface and fonr lateral 

 pairs, the third being very small. 



Modified Segments. — S. The upper edge of the clasper bears a nnmber of 

 long bristles. The process (P) of the clasper (Fig. f>) is short, being almost 



Fig. 5. 



square and bearing one bristle at the joint with the finger. The finger (F) is long, 

 being widest at the apex ; its hinder edge is bisinuate. The ninth sternite 

 resembles that of C. rissimilis ; the apex of the ventral arm, however, is more 

 sqnare. 



Length : ? 26 mm. 



We have one t? collected by Mr. W. Baer at Niesky, Silesia, on Febrnary 24th, 

 1899, off Hypudaeus glareolus. 



5. Ceratophyllus anisus spec. nov. 



3. This species is similar to C. sciurorum. The rostrum is somewhat shorter 

 than in that species. There is no long bristle immediately behind the base of the 

 antenna. The mid- and hindfemora each bear a subventral row of three or four 

 bristles on the innerside, besides a subapical pair. The short hairs on the ventral 

 surface of the tarsi are less numerous than in C. sciurorum. The first hindtarsal 



Figs. G and 7. 



segment bears on the anterior side four pairs of bristles inclusive of the apical 

 pair. 



Modified Segments. — J. The greatest difference between this species and 

 C. sciurorum is shown in these segments. The eighth sternite is very long and 



