PLATE XIV 67 



RECEPTACULUM SEMINIS OF BRITISH BIRD FLEAS 

 AND MAMMAL FLEAS 



(x 165) 



a b 



Ceratophyllus gallinae Ceratophyllus fringillae 



(from blue tit) (from house-sparrow) 



c d 



Ceratophyllus farreni Ceratophyllus rusticus 



(from house-martinj (from house-martin) 



' f 



Ceratophyllus hirundinis Ceratophyllus styx 



(from house-martin) (from sand-martin) 



FFC— F 



g h 



Monopsyllus anisus Ceratophyllus vagabunda 



(from brown rat; not British, (from herring gull) 

 for comparison with a-h) 



